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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-10-05 19:42:36 (GMT)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-10-05 19:43:53 (GMT)
commit9fce0c226536fc36c7fb0a80000ca38a995be43e (patch)
treed1d03d4a831bb143ffd401cefa0f44f636ac0084
parent3cc2691227203c00cac1d82d6b0772224d5c87b2 (diff)
parentc8d2bc9bc39ebea8437fd974fdbc21847bb897a3 (diff)
Merge tag 'v4.8' into patchworkmedia/v4.9-1
Linux 4.8 * tag 'v4.8': (1761 commits) Linux 4.8 ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7 MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems include/linux/property.h: fix typo/compile error ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock() mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page() MAINTAINERS: Switch to kernel.org email address for Javi Merino x86/entry/64: Fix context tracking state warning when load_gs_index fails x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID x86/vdso: Fix building on big endian host x86/boot: Fix another __read_cr4() case on 486 sctp: fix the issue sctp_diag uses lock_sock in rcu_read_lock sctp: change to check peer prsctp_capable when using prsctp polices sctp: remove prsctp_param from sctp_chunk sctp: move sent_count to the memory hole in sctp_chunk tg3: Avoid NULL pointer dereference in tg3_io_error_detected() x86/init: Fix cr4_init_shadow() on CR4-less machines MIPS: Fix detection of unsupported highmem with cache aliases MIPS: Malta: Fix IOCU disable switch read for MIPS64 MIPS: Fix BUILD_ROLLBACK_PROLOGUE for microMIPS ...
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-rw-r--r--net/8021q/vlan.c2
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-rw-r--r--net/ipv4/tcp_timer.c1
-rw-r--r--net/ipv4/tcp_yeah.c2
-rw-r--r--net/ipv4/udp.c13
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-rw-r--r--net/ipv6/addrconf.c56
-rw-r--r--net/ipv6/calipso.c4
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-rw-r--r--net/ipv6/ip6mr.c12
-rw-r--r--net/ipv6/netfilter/nft_chain_route_ipv6.c10
-rw-r--r--net/ipv6/netfilter/nft_reject_ipv6.c1
-rw-r--r--net/ipv6/ping.c42
-rw-r--r--net/ipv6/route.c15
-rw-r--r--net/ipv6/tcp_ipv6.c8
-rw-r--r--net/ipv6/udp.c1
-rw-r--r--net/ipv6/udplite.c1
-rw-r--r--net/ipv6/xfrm6_input.c15
-rw-r--r--net/ipv6/xfrm6_policy.c2
-rw-r--r--net/ipv6/xfrm6_tunnel.c2
-rw-r--r--net/irda/af_irda.c5
-rw-r--r--net/irda/iriap.c8
-rw-r--r--net/kcm/kcmsock.c3
-rw-r--r--net/l2tp/l2tp_core.c3
-rw-r--r--net/l2tp/l2tp_ppp.c2
-rw-r--r--net/mac80211/agg-rx.c8
-rw-r--r--net/mac80211/agg-tx.c3
-rw-r--r--net/mac80211/cfg.c2
-rw-r--r--net/mac80211/driver-ops.h2
-rw-r--r--net/mac80211/mesh.c10
-rw-r--r--net/mac80211/mesh_hwmp.c3
-rw-r--r--net/mac80211/mesh_pathtbl.c2
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/mac80211/sta_info.c4
-rw-r--r--net/mac80211/status.c14
-rw-r--r--net/mac80211/tdls.c7
-rw-r--r--net/mac80211/tx.c79
-rw-r--r--net/netfilter/nf_conntrack_core.c6
-rw-r--r--net/netfilter/nf_conntrack_expect.c2
-rw-r--r--net/netfilter/nf_conntrack_h323_main.c3
-rw-r--r--net/netfilter/nf_conntrack_netlink.c10
-rw-r--r--net/netfilter/nf_conntrack_sip.c4
-rw-r--r--net/netfilter/nf_conntrack_standalone.c4
-rw-r--r--net/netfilter/nf_nat_core.c5
-rw-r--r--net/netfilter/nf_tables_netdev.c1
-rw-r--r--net/netfilter/nf_tables_trace.c2
-rw-r--r--net/netfilter/nfnetlink_acct.c23
-rw-r--r--net/netfilter/nfnetlink_cttimeout.c65
-rw-r--r--net/netfilter/nfnetlink_log.c1
-rw-r--r--net/netfilter/nfnetlink_queue.c6
-rw-r--r--net/netfilter/nft_exthdr.c11
-rw-r--r--net/netfilter/nft_meta.c17
-rw-r--r--net/netfilter/nft_rbtree.c10
-rw-r--r--net/netfilter/nft_reject.c16
-rw-r--r--net/netfilter/nft_reject_inet.c7
-rw-r--r--net/netfilter/xt_TPROXY.c4
-rw-r--r--net/netfilter/xt_nfacct.c2
-rw-r--r--net/openvswitch/conntrack.c8
-rw-r--r--net/openvswitch/vport-geneve.c9
-rw-r--r--net/openvswitch/vport-gre.c11
-rw-r--r--net/openvswitch/vport-internal_dev.c2
-rw-r--r--net/openvswitch/vport-vxlan.c9
-rw-r--r--net/rxrpc/ar-internal.h1
-rw-r--r--net/rxrpc/call_accept.c1
-rw-r--r--net/rxrpc/call_event.c7
-rw-r--r--net/rxrpc/call_object.c11
-rw-r--r--net/rxrpc/input.c39
-rw-r--r--net/rxrpc/recvmsg.c25
-rw-r--r--net/rxrpc/skbuff.c41
-rw-r--r--net/sched/act_api.c34
-rw-r--r--net/sched/act_ife.c23
-rw-r--r--net/sched/act_police.c62
-rw-r--r--net/sched/cls_api.c51
-rw-r--r--net/sched/sch_generic.c9
-rw-r--r--net/sched/sch_qfq.c3
-rw-r--r--net/sched/sch_sfb.c3
-rw-r--r--net/sctp/chunk.c11
-rw-r--r--net/sctp/input.c38
-rw-r--r--net/sctp/inqueue.c13
-rw-r--r--net/sctp/output.c13
-rw-r--r--net/sctp/outqueue.c12
-rw-r--r--net/sctp/proc.c1
-rw-r--r--net/sctp/sctp_diag.c82
-rw-r--r--net/sctp/sm_make_chunk.c15
-rw-r--r--net/sctp/socket.c10
-rw-r--r--net/sctp/ulpevent.c4
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c8
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c5
-rw-r--r--net/sunrpc/clnt.c28
-rw-r--r--net/sunrpc/xprt.c26
-rw-r--r--net/sunrpc/xprtrdma/verbs.c45
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h1
-rw-r--r--net/sunrpc/xprtsock.c62
-rw-r--r--net/tipc/monitor.c3
-rw-r--r--net/tipc/name_distr.c8
-rw-r--r--net/tipc/socket.c3
-rw-r--r--net/tipc/udp_media.c5
-rw-r--r--net/unix/af_unix.c111
-rw-r--r--net/vmw_vsock/af_vsock.c6
-rw-r--r--net/vmw_vsock/virtio_transport.c10
-rw-r--r--net/wireless/chan.c1
-rw-r--r--net/wireless/nl80211.c36
-rw-r--r--net/wireless/wext-core.c25
-rw-r--r--net/xfrm/xfrm_input.c14
-rw-r--r--net/xfrm/xfrm_policy.c4
-rw-r--r--net/xfrm/xfrm_state.c1
-rw-r--r--net/xfrm/xfrm_user.c22
-rw-r--r--samples/bpf/bpf_helpers.h4
-rw-r--r--samples/bpf/test_cgrp2_tc_kern.c2
-rw-r--r--samples/bpf/test_maps.c15
-rw-r--r--scripts/Kbuild.include10
-rw-r--r--scripts/Makefile.gcc-plugins39
-rwxr-xr-xscripts/checkpatch.pl9
-rwxr-xr-xscripts/faddr2line177
-rwxr-xr-xscripts/gcc-plugin.sh14
-rw-r--r--scripts/gcc-plugins/Makefile12
-rwxr-xr-xscripts/get_maintainer.pl6
-rwxr-xr-xscripts/package/builddeb4
-rw-r--r--scripts/recordmcount.c1
-rwxr-xr-xscripts/recordmcount.pl1
-rwxr-xr-xscripts/tags.sh1
-rw-r--r--security/Kconfig40
-rw-r--r--security/keys/encrypted-keys/encrypted.c11
-rw-r--r--sound/core/rawmidi.c4
-rw-r--r--sound/core/timer.c34
-rw-r--r--sound/firewire/fireworks/fireworks.h1
-rw-r--r--sound/firewire/fireworks/fireworks_hwdep.c71
-rw-r--r--sound/firewire/fireworks/fireworks_proc.c4
-rw-r--r--sound/firewire/fireworks/fireworks_transaction.c5
-rw-r--r--sound/firewire/tascam/tascam-hwdep.c33
-rw-r--r--sound/pci/hda/hda_intel.c32
-rw-r--r--sound/pci/hda/patch_realtek.c22
-rw-r--r--sound/soc/atmel/atmel_ssc_dai.c5
-rw-r--r--sound/soc/codecs/da7213.c4
-rw-r--r--sound/soc/codecs/max98371.c1
-rw-r--r--sound/soc/codecs/nau8825.c78
-rw-r--r--sound/soc/codecs/wm2000.c2
-rw-r--r--sound/soc/generic/Makefile6
-rw-r--r--sound/soc/generic/simple-card-utils.c6
-rw-r--r--sound/soc/intel/skylake/skl-sst-utils.c5
-rw-r--r--sound/soc/intel/skylake/skl.c4
-rw-r--r--sound/soc/omap/omap-abe-twl6040.c61
-rw-r--r--sound/soc/omap/omap-mcpdm.c22
-rw-r--r--sound/soc/samsung/s3c24xx_uda134x.c7
-rw-r--r--sound/soc/sh/rcar/src.c6
-rw-r--r--sound/soc/soc-compress.c4
-rw-r--r--sound/soc/soc-core.c5
-rw-r--r--sound/soc/soc-dapm.c10
-rw-r--r--sound/usb/line6/pcm.c3
-rw-r--r--sound/usb/line6/pod.c12
-rw-r--r--sound/usb/quirks.c3
-rw-r--r--tools/arch/arm64/include/uapi/asm/kvm.h2
-rw-r--r--tools/arch/s390/include/uapi/asm/kvm.h41
-rw-r--r--tools/arch/s390/include/uapi/asm/sie.h1
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h9
-rw-r--r--tools/arch/x86/include/asm/disabled-features.h2
-rw-r--r--tools/arch/x86/include/asm/required-features.h2
-rw-r--r--tools/arch/x86/include/uapi/asm/vmx.h4
-rw-r--r--tools/gpio/gpio-event-mon.c2
-rw-r--r--tools/iio/iio_generic_buffer.c4
-rw-r--r--tools/include/linux/string.h6
-rw-r--r--tools/include/uapi/linux/bpf.h86
-rw-r--r--tools/lguest/lguest.c6
-rw-r--r--tools/perf/Documentation/perf-probe.txt10
-rw-r--r--tools/perf/Documentation/perf-script.txt4
-rw-r--r--tools/perf/arch/powerpc/util/sym-handling.c29
-rw-r--r--tools/perf/arch/x86/util/intel-pt.c6
-rw-r--r--tools/perf/builtin-mem.c3
-rw-r--r--tools/perf/builtin-script.c15
-rw-r--r--tools/perf/builtin-stat.c31
-rw-r--r--tools/perf/util/evsel.c6
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c44
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c24
-rw-r--r--tools/perf/util/jitdump.c1
-rw-r--r--tools/perf/util/probe-event.c60
-rw-r--r--tools/perf/util/probe-event.h6
-rw-r--r--tools/perf/util/probe-file.c36
-rw-r--r--tools/perf/util/probe-finder.c15
-rw-r--r--tools/perf/util/sort.c6
-rw-r--r--tools/perf/util/symbol-elf.c3
-rw-r--r--tools/perf/util/unwind-libdw.c2
-rw-r--r--tools/perf/util/unwind-libunwind-local.c2
-rw-r--r--tools/testing/nvdimm/test/nfit.c5
-rw-r--r--tools/testing/radix-tree/Makefile2
-rw-r--r--tools/testing/radix-tree/multiorder.c16
-rw-r--r--tools/testing/selftests/powerpc/Makefile2
-rw-r--r--tools/virtio/linux/dma-mapping.h16
-rw-r--r--tools/virtio/linux/kernel.h14
-rw-r--r--tools/virtio/linux/slab.h4
-rw-r--r--tools/virtio/linux/virtio.h6
-rw-r--r--tools/virtio/linux/virtio_config.h13
-rw-r--r--tools/virtio/ringtest/ptr_ring.c1
-rw-r--r--virt/kvm/arm/arch_timer.c11
-rw-r--r--virt/kvm/arm/vgic/vgic-init.c17
-rw-r--r--virt/kvm/arm/vgic/vgic-its.c158
-rw-r--r--virt/kvm/arm/vgic/vgic-mmio-v3.c26
-rw-r--r--virt/kvm/arm/vgic/vgic-v3.c8
-rw-r--r--virt/kvm/arm/vgic/vgic.c10
-rw-r--r--virt/kvm/arm/vgic/vgic.h6
-rw-r--r--virt/kvm/kvm_main.c16
1573 files changed, 17620 insertions, 9350 deletions
diff --git a/.mailmap b/.mailmap
index 2a91c14..1dab0a1 100644
--- a/.mailmap
+++ b/.mailmap
@@ -69,6 +69,7 @@ James Bottomley <jejb@mulgrave.(none)>
James Bottomley <jejb@titanic.il.steeleye.com>
James E Wilson <wilson@specifix.com>
James Ketrenos <jketreno@io.(none)>
+Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
Jean Tourrilhes <jt@hpl.hp.com>
Jeff Garzik <jgarzik@pretzel.yyz.us>
@@ -88,6 +89,7 @@ Kay Sievers <kay.sievers@vrfy.org>
Kenneth W Chen <kenneth.w.chen@intel.com>
Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com>
Koushik <raghavendra.koushik@neterion.com>
+Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski@samsung.com>
Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com>
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Leonid I Ananiev <leonid.i.ananiev@intel.com>
@@ -158,6 +160,8 @@ Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com>
Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com>
Viresh Kumar <vireshk@kernel.org> <viresh.kumar2@arm.com>
+Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@virtuozzo.com>
+Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@parallels.com>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
diff --git a/Documentation/ABI/stable/sysfs-devices b/Documentation/ABI/stable/sysfs-devices
index 43f78b88d..df449d7 100644
--- a/Documentation/ABI/stable/sysfs-devices
+++ b/Documentation/ABI/stable/sysfs-devices
@@ -1,7 +1,7 @@
# Note: This documents additional properties of any device beyond what
# is documented in Documentation/sysfs-rules.txt
-What: /sys/devices/*/of_path
+What: /sys/devices/*/of_node
Date: February 2015
Contact: Device Tree mailing list <devicetree@vger.kernel.org>
Description:
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt
index c55df29..cd9c9f6 100644
--- a/Documentation/PCI/MSI-HOWTO.txt
+++ b/Documentation/PCI/MSI-HOWTO.txt
@@ -94,14 +94,11 @@ has a requirements for a minimum number of vectors the driver can pass a
min_vecs argument set to this limit, and the PCI core will return -ENOSPC
if it can't meet the minimum number of vectors.
-The flags argument should normally be set to 0, but can be used to pass the
-PCI_IRQ_NOMSI and PCI_IRQ_NOMSIX flag in case a device claims to support
-MSI or MSI-X, but the support is broken, or to pass PCI_IRQ_NOLEGACY in
-case the device does not support legacy interrupt lines.
-
-By default this function will spread the interrupts around the available
-CPUs, but this feature can be disabled by passing the PCI_IRQ_NOAFFINITY
-flag.
+The flags argument is used to specify which type of interrupt can be used
+by the device and the driver (PCI_IRQ_LEGACY, PCI_IRQ_MSI, PCI_IRQ_MSIX).
+A convenient short-hand (PCI_IRQ_ALL_TYPES) is also available to ask for
+any possible kind of interrupt. If the PCI_IRQ_AFFINITY flag is set,
+pci_alloc_irq_vectors() will spread the interrupts around the available CPUs.
To get the Linux IRQ numbers passed to request_irq() and free_irq() and the
vectors, use the following function:
@@ -131,7 +128,7 @@ larger than the number supported by the device it will automatically be
capped to the supported limit, so there is no need to query the number of
vectors supported beforehand:
- nvec = pci_alloc_irq_vectors(pdev, 1, nvec, 0);
+ nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_ALL_TYPES)
if (nvec < 0)
goto out_err;
@@ -140,7 +137,7 @@ interrupts it can request a particular number of interrupts by passing that
number to pci_alloc_irq_vectors() function as both 'min_vecs' and
'max_vecs' parameters:
- ret = pci_alloc_irq_vectors(pdev, nvec, nvec, 0);
+ ret = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_ALL_TYPES);
if (ret < 0)
goto out_err;
@@ -148,15 +145,14 @@ The most notorious example of the request type described above is enabling
the single MSI mode for a device. It could be done by passing two 1s as
'min_vecs' and 'max_vecs':
- ret = pci_alloc_irq_vectors(pdev, 1, 1, 0);
+ ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (ret < 0)
goto out_err;
Some devices might not support using legacy line interrupts, in which case
-the PCI_IRQ_NOLEGACY flag can be used to fail the request if the platform
-can't provide MSI or MSI-X interrupts:
+the driver can specify that only MSI or MSI-X is acceptable:
- nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_NOLEGACY);
+ nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_MSI | PCI_IRQ_MSIX);
if (nvec < 0)
goto out_err;
diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt
index 123881f..77f49dc 100644
--- a/Documentation/PCI/pci.txt
+++ b/Documentation/PCI/pci.txt
@@ -124,7 +124,6 @@ initialization with a pointer to a structure describing the driver
The ID table is an array of struct pci_device_id entries ending with an
all-zero entry. Definitions with static const are generally preferred.
-Use of the deprecated macro DEFINE_PCI_DEVICE_TABLE should be avoided.
Each entry consists of:
diff --git a/Documentation/arm/CCN.txt b/Documentation/arm/CCN.txt
index ffca443..15cdb7b 100644
--- a/Documentation/arm/CCN.txt
+++ b/Documentation/arm/CCN.txt
@@ -18,13 +18,17 @@ and config2 fields of the perf_event_attr structure. The "events"
directory provides configuration templates for all documented
events, that can be used with perf tool. For example "xp_valid_flit"
is an equivalent of "type=0x8,event=0x4". Other parameters must be
-explicitly specified. For events originating from device, "node"
-defines its index. All crosspoint events require "xp" (index),
-"port" (device port number) and "vc" (virtual channel ID) and
-"dir" (direction). Watchpoints (special "event" value 0xfe) also
-require comparator values ("cmp_l" and "cmp_h") and "mask", being
-index of the comparator mask.
+explicitly specified.
+For events originating from device, "node" defines its index.
+
+Crosspoint PMU events require "xp" (index), "bus" (bus number)
+and "vc" (virtual channel ID).
+
+Crosspoint watchpoint-based events (special "event" value 0xfe)
+require "xp" and "vc" as as above plus "port" (device port index),
+"dir" (transmit/receive direction), comparator values ("cmp_l"
+and "cmp_h") and "mask", being index of the comparator mask.
Masks are defined separately from the event description
(due to limited number of the config values) in the "cmp_mask"
directory, with first 8 configurable by user and additional
diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt
index 4da60b4..ccc6032 100644
--- a/Documentation/arm64/silicon-errata.txt
+++ b/Documentation/arm64/silicon-errata.txt
@@ -53,6 +53,7 @@ stable kernels.
| ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 |
| ARM | Cortex-A57 | #852523 | N/A |
| ARM | Cortex-A57 | #834220 | ARM64_ERRATUM_834220 |
+| ARM | Cortex-A72 | #853709 | N/A |
| ARM | MMU-500 | #841119,#826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 |
diff --git a/Documentation/block/queue-sysfs.txt b/Documentation/block/queue-sysfs.txt
index d515d58..2a39040 100644
--- a/Documentation/block/queue-sysfs.txt
+++ b/Documentation/block/queue-sysfs.txt
@@ -14,6 +14,12 @@ add_random (RW)
This file allows to turn off the disk entropy contribution. Default
value of this file is '1'(on).
+dax (RO)
+--------
+This file indicates whether the device supports Direct Access (DAX),
+used by CPU-addressable storage to bypass the pagecache. It shows '1'
+if true, '0' if not.
+
discard_granularity (RO)
-----------------------
This shows the size of internal allocation of the device in bytes, if
@@ -46,6 +52,12 @@ hw_sector_size (RO)
-------------------
This is the hardware sector size of the device, in bytes.
+io_poll (RW)
+------------
+When read, this file shows the total number of block IO polls and how
+many returned success. Writing '0' to this file will disable polling
+for this device. Writing any non-zero value will enable this feature.
+
iostats (RW)
-------------
This file is used to control (on/off) the iostats accounting of the
@@ -151,5 +163,11 @@ device state. This means that it might not be safe to toggle the
setting from "write back" to "write through", since that will also
eliminate cache flushes issued by the kernel.
+write_same_max_bytes (RO)
+-------------------------
+This is the number of bytes the device can write in a single write-same
+command. A value of '0' means write-same is not supported by this
+device.
+
Jens Axboe <jens.axboe@oracle.com>, February 2009
diff --git a/Documentation/cpu-freq/cpufreq-stats.txt b/Documentation/cpu-freq/cpufreq-stats.txt
index fc64749..8d9773f 100644
--- a/Documentation/cpu-freq/cpufreq-stats.txt
+++ b/Documentation/cpu-freq/cpufreq-stats.txt
@@ -103,7 +103,7 @@ Config Main Menu
Power management options (ACPI, APM) --->
CPU Frequency scaling --->
[*] CPU Frequency scaling
- <*> CPU frequency translation statistics
+ [*] CPU frequency translation statistics
[*] CPU frequency translation statistics details
diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt
index bf99e2f..205593f 100644
--- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt
@@ -16,6 +16,11 @@ Required properties:
- vref-supply: The regulator supply ADC reference voltage.
- #io-channel-cells: Should be 1, see ../iio-bindings.txt
+Optional properties:
+- resets: Must contain an entry for each entry in reset-names if need support
+ this option. See ../reset/reset.txt for details.
+- reset-names: Must include the name "saradc-apb".
+
Example:
saradc: saradc@2006c000 {
compatible = "rockchip,saradc";
@@ -23,6 +28,8 @@ Example:
interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
clock-names = "saradc", "apb_pclk";
+ resets = <&cru SRST_SARADC>;
+ reset-names = "saradc-apb";
#io-channel-cells = <1>;
vref-supply = <&vcc18>;
};
diff --git a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
index 1112e0d..820fee4 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
@@ -13,6 +13,7 @@ Required properties:
- touchscreen-size-y : See touchscreen.txt
Optional properties:
+- firmware-name : File basename (string) for board specific firmware
- touchscreen-inverted-x : See touchscreen.txt
- touchscreen-inverted-y : See touchscreen.txt
- touchscreen-swapped-x-y : See touchscreen.txt
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-st.txt b/Documentation/devicetree/bindings/mmc/sdhci-st.txt
index 88faa91..3cd4c43 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-st.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-st.txt
@@ -10,7 +10,7 @@ Required properties:
subsystem (mmcss) inside the FlashSS (available in STiH407 SoC
family).
-- clock-names: Should be "mmc".
+- clock-names: Should be "mmc" and "icn". (NB: The latter is not compulsory)
See: Documentation/devicetree/bindings/resource-names.txt
- clocks: Phandle to the clock.
See: Documentation/devicetree/bindings/clock/clock-bindings.txt
diff --git a/Documentation/devicetree/bindings/serial/8250.txt b/Documentation/devicetree/bindings/serial/8250.txt
index f5561ac..936ab5b 100644
--- a/Documentation/devicetree/bindings/serial/8250.txt
+++ b/Documentation/devicetree/bindings/serial/8250.txt
@@ -42,9 +42,6 @@ Optional properties:
- auto-flow-control: one way to enable automatic flow control support. The
driver is allowed to detect support for the capability even without this
property.
-- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD
- line respectively. It will use specified GPIO instead of the peripheral
- function pin for the UART feature. If unsure, don't specify this property.
Note:
* fsl,ns16550:
@@ -66,19 +63,3 @@ Example:
interrupts = <10>;
reg-shift = <2>;
};
-
-Example for OMAP UART using GPIO-based modem control signals:
-
- uart4: serial@49042000 {
- compatible = "ti,omap3-uart";
- reg = <0x49042000 0x400>;
- interrupts = <80>;
- ti,hwmods = "uart4";
- clock-frequency = <48000000>;
- cts-gpios = <&gpio3 5 GPIO_ACTIVE_LOW>;
- rts-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
- dtr-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
- dsr-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
- dcd-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
- rng-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
- };
diff --git a/Documentation/devicetree/bindings/sound/omap-mcpdm.txt b/Documentation/devicetree/bindings/sound/omap-mcpdm.txt
index 6f6c2f8..0741dff 100644
--- a/Documentation/devicetree/bindings/sound/omap-mcpdm.txt
+++ b/Documentation/devicetree/bindings/sound/omap-mcpdm.txt
@@ -8,8 +8,6 @@ Required properties:
- interrupts: Interrupt number for McPDM
- interrupt-parent: The parent interrupt controller
- ti,hwmods: Name of the hwmod associated to the McPDM
-- clocks: phandle for the pdmclk provider, likely <&twl6040>
-- clock-names: Must be "pdmclk"
Example:
@@ -21,11 +19,3 @@ mcpdm: mcpdm@40132000 {
interrupt-parent = <&gic>;
ti,hwmods = "mcpdm";
};
-
-In board DTS file the pdmclk needs to be added:
-
-&mcpdm {
- clocks = <&twl6040>;
- clock-names = "pdmclk";
- status = "okay";
-};
diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
index 41b817f..88b6ea1 100644
--- a/Documentation/devicetree/bindings/thermal/thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/thermal.txt
@@ -62,7 +62,7 @@ For more examples of cooling devices, refer to the example sections below.
Required properties:
- #cooling-cells: Used to provide cooling device specific information
Type: unsigned while referring to it. Must be at least 2, in order
- Size: one cell to specify minimum and maximum cooling state used
+ Size: one cell to specify minimum and maximum cooling state used
in the reference. The first cell is the minimum
cooling state requested and the second cell is
the maximum cooling state requested in the reference.
@@ -119,7 +119,7 @@ Required properties:
Optional property:
- contribution: The cooling contribution to the thermal zone of the
Type: unsigned referred cooling device at the referred trip point.
- Size: one cell The contribution is a ratio of the sum
+ Size: one cell The contribution is a ratio of the sum
of all cooling contributions within a thermal zone.
Note: Using the THERMAL_NO_LIMIT (-1UL) constant in the cooling-device phandle
@@ -145,7 +145,7 @@ Required properties:
Size: one cell
- thermal-sensors: A list of thermal sensor phandles and sensor specifier
- Type: list of used while monitoring the thermal zone.
+ Type: list of used while monitoring the thermal zone.
phandles + sensor
specifier
@@ -473,7 +473,7 @@ thermal-zones {
<&adc>; /* pcb north */
/* hotspot = 100 * bandgap - 120 * adc + 484 */
- coefficients = <100 -120 484>;
+ coefficients = <100 -120 484>;
trips {
...
@@ -502,7 +502,7 @@ from the ADC sensor. The binding would be then:
thermal-sensors = <&adc>;
/* hotspot = 1 * adc + 6000 */
- coefficients = <1 6000>;
+ coefficients = <1 6000>;
(d) - Board thermal
diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt
index d6259c7..bcbf971 100644
--- a/Documentation/filesystems/overlayfs.txt
+++ b/Documentation/filesystems/overlayfs.txt
@@ -183,12 +183,10 @@ The copy_up operation essentially creates a new, identical file and
moves it over to the old name. The new file may be on a different
filesystem, so both st_dev and st_ino of the file may change.
-Any open files referring to this inode will access the old data and
-metadata. Similarly any file locks obtained before copy_up will not
-apply to the copied up file.
+Any open files referring to this inode will access the old data.
-On a file opened with O_RDONLY fchmod(2), fchown(2), futimesat(2) and
-fsetxattr(2) will fail with EROFS.
+Any file locks (and leases) obtained before copy_up will not apply
+to the copied up file.
If a file with multiple hard links is copied up, then this will
"break" the link. Changes will not be propagated to other names
diff --git a/Documentation/hwmon/ftsteutates b/Documentation/hwmon/ftsteutates
index 2a1bf69..8c10a91 100644
--- a/Documentation/hwmon/ftsteutates
+++ b/Documentation/hwmon/ftsteutates
@@ -19,5 +19,5 @@ enhancements. It can monitor up to 4 voltages, 16 temperatures and
implemented in this driver.
Specification of the chip can be found here:
-ftp:///pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/BMC-Teutates_Specification_V1.21.pdf
-ftp:///pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/Fujitsu_mainboards-1-Sensors_HowTo-en-US.pdf
+ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/BMC-Teutates_Specification_V1.21.pdf
+ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/Fujitsu_mainboards-1-Sensors_HowTo-en-US.pdf
diff --git a/Documentation/i2c/slave-interface b/Documentation/i2c/slave-interface
index 80807ad..7e2a228 100644
--- a/Documentation/i2c/slave-interface
+++ b/Documentation/i2c/slave-interface
@@ -145,6 +145,11 @@ If you want to add slave support to the bus driver:
* Catch the slave interrupts and send appropriate i2c_slave_events to the backend.
+Note that most hardware supports being master _and_ slave on the same bus. So,
+if you extend a bus driver, please make sure that the driver supports that as
+well. In almost all cases, slave support does not need to disable the master
+functionality.
+
Check the i2c-rcar driver as an example.
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 861f575..7b550d4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3036,6 +3036,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
PAGE_SIZE is used as alignment.
PCI-PCI bridge can be specified, if resource
windows need to be expanded.
+ To specify the alignment for several
+ instances of a device, the PCI vendor,
+ device, subvendor, and subdevice may be
+ specified, e.g., 4096@pci:8086:9c22:103c:198f
ecrc= Enable/disable PCIe ECRC (transaction layer
end-to-end CRC checking).
bios: Use BIOS/firmware settings. This is the
diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst
index 6c314c2..940a16d 100644
--- a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst
@@ -149,7 +149,7 @@ logical address types are already defined will return with error ``EBUSY``.
- ``flags``
- - Flags. No flags are defined yet, so set this to 0.
+ - Flags. See :ref:`cec-log-addrs-flags` for a list of available flags.
- .. row 7
@@ -206,6 +206,25 @@ logical address types are already defined will return with error ``EBUSY``.
give the CEC framework more information about the device type, even
though the framework won't use it directly in the CEC message.
+.. _cec-log-addrs-flags:
+
+.. flat-table:: Flags for struct cec_log_addrs
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 3 1 4
+
+
+ - .. _`CEC-LOG-ADDRS-FL-ALLOW-UNREG-FALLBACK`:
+
+ - ``CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK``
+
+ - 1
+
+ - By default if no logical address of the requested type can be claimed, then
+ it will go back to the unconfigured state. If this flag is set, then it will
+ fallback to the Unregistered logical address. Note that if the Unregistered
+ logical address was explicitly requested, then this flag has no effect.
+
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. _cec-versions:
diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
index 060c455..e283588 100644
--- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
@@ -65,7 +65,8 @@ it is guaranteed that the state did change in between the two events.
- ``phys_addr``
- - The current physical address.
+ - The current physical address. This is ``CEC_PHYS_ADDR_INVALID`` if no
+ valid physical address is set.
- .. row 2
@@ -73,13 +74,16 @@ it is guaranteed that the state did change in between the two events.
- ``log_addr_mask``
- - The current set of claimed logical addresses.
+ - The current set of claimed logical addresses. This is 0 if no logical
+ addresses are claimed or if ``phys_addr`` is ``CEC_PHYS_ADDR_INVALID``.
+ If bit 15 is set (``1 << CEC_LOG_ADDR_UNREGISTERED``) then this device
+ has the unregistered logical address. In that case all other bits are 0.
-.. tabularcolumns:: |p{1.0cm}|p{2.0cm}|p{14.5cm}|
-
.. c:type:: cec_event_lost_msgs
+.. tabularcolumns:: |p{1.0cm}|p{2.0cm}|p{14.5cm}|
+
.. flat-table:: struct cec_event_lost_msgs
:header-rows: 0
:stub-columns: 0
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt
index 9d05ed7..f20c884 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.txt
@@ -587,26 +587,6 @@ of DSA, would be the its port-based VLAN, used by the associated bridge device.
TODO
====
-The platform device problem
----------------------------
-DSA is currently implemented as a platform device driver which is far from ideal
-as was discussed in this thread:
-
-http://permalink.gmane.org/gmane.linux.network/329848
-
-This basically prevents the device driver model to be properly used and applied,
-and support non-MDIO, non-MMIO Ethernet connected switches.
-
-Another problem with the platform device driver approach is that it prevents the
-use of a modular switch drivers build due to a circular dependency, illustrated
-here:
-
-http://comments.gmane.org/gmane.linux.network/345803
-
-Attempts of reworking this has been done here:
-
-https://lwn.net/Articles/643149/
-
Making SWITCHDEV and DSA converge towards an unified codebase
-------------------------------------------------------------
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt
index 16a924c..70c926a 100644
--- a/Documentation/networking/rxrpc.txt
+++ b/Documentation/networking/rxrpc.txt
@@ -790,13 +790,12 @@ The kernel interface functions are as follows:
Data messages can have their contents extracted with the usual bunch of
socket buffer manipulation functions. A data message can be determined to
be the last one in a sequence with rxrpc_kernel_is_data_last(). When a
- data message has been used up, rxrpc_kernel_data_delivered() should be
- called on it..
+ data message has been used up, rxrpc_kernel_data_consumed() should be
+ called on it.
- Non-data messages should be handled to rxrpc_kernel_free_skb() to dispose
- of. It is possible to get extra refs on all types of message for later
- freeing, but this may pin the state of a call until the message is finally
- freed.
+ Messages should be handled to rxrpc_kernel_free_skb() to dispose of. It
+ is possible to get extra refs on all types of message for later freeing,
+ but this may pin the state of a call until the message is finally freed.
(*) Accept an incoming call.
@@ -821,12 +820,14 @@ The kernel interface functions are as follows:
Other errors may be returned if the call had been aborted (-ECONNABORTED)
or had timed out (-ETIME).
- (*) Record the delivery of a data message and free it.
+ (*) Record the delivery of a data message.
- void rxrpc_kernel_data_delivered(struct sk_buff *skb);
+ void rxrpc_kernel_data_consumed(struct rxrpc_call *call,
+ struct sk_buff *skb);
- This is used to record a data message as having been delivered and to
- update the ACK state for the call. The socket buffer will be freed.
+ This is used to record a data message as having been consumed and to
+ update the ACK state for the call. The message must still be passed to
+ rxrpc_kernel_free_skb() for disposal by the caller.
(*) Free a message.
diff --git a/Documentation/power/basic-pm-debugging.txt b/Documentation/power/basic-pm-debugging.txt
index b96098c..708f87f 100644
--- a/Documentation/power/basic-pm-debugging.txt
+++ b/Documentation/power/basic-pm-debugging.txt
@@ -164,7 +164,32 @@ load n/2 modules more and try again.
Again, if you find the offending module(s), it(they) must be unloaded every time
before hibernation, and please report the problem with it(them).
-c) Advanced debugging
+c) Using the "test_resume" hibernation option
+
+/sys/power/disk generally tells the kernel what to do after creating a
+hibernation image. One of the available options is "test_resume" which
+causes the just created image to be used for immediate restoration. Namely,
+after doing:
+
+# echo test_resume > /sys/power/disk
+# echo disk > /sys/power/state
+
+a hibernation image will be created and a resume from it will be triggered
+immediately without involving the platform firmware in any way.
+
+That test can be used to check if failures to resume from hibernation are
+related to bad interactions with the platform firmware. That is, if the above
+works every time, but resume from actual hibernation does not work or is
+unreliable, the platform firmware may be responsible for the failures.
+
+On architectures and platforms that support using different kernels to restore
+hibernation images (that is, the kernel used to read the image from storage and
+load it into memory is different from the one included in the image) or support
+kernel address space randomization, it also can be used to check if failures
+to resume may be related to the differences between the restore and image
+kernels.
+
+d) Advanced debugging
In case that hibernation does not work on your system even in the minimal
configuration and compiling more drivers as modules is not practical or some
diff --git a/Documentation/power/interface.txt b/Documentation/power/interface.txt
index f1f0f59a..974916f 100644
--- a/Documentation/power/interface.txt
+++ b/Documentation/power/interface.txt
@@ -1,75 +1,76 @@
-Power Management Interface
-
-
-The power management subsystem provides a unified sysfs interface to
-userspace, regardless of what architecture or platform one is
-running. The interface exists in /sys/power/ directory (assuming sysfs
-is mounted at /sys).
-
-/sys/power/state controls system power state. Reading from this file
-returns what states are supported, which is hard-coded to 'freeze',
-'standby' (Power-On Suspend), 'mem' (Suspend-to-RAM), and 'disk'
-(Suspend-to-Disk).
-
-Writing to this file one of those strings causes the system to
-transition into that state. Please see the file
-Documentation/power/states.txt for a description of each of those
-states.
-
-
-/sys/power/disk controls the operating mode of the suspend-to-disk
-mechanism. Suspend-to-disk can be handled in several ways. We have a
-few options for putting the system to sleep - using the platform driver
-(e.g. ACPI or other suspend_ops), powering off the system or rebooting the
-system (for testing).
-
-Additionally, /sys/power/disk can be used to turn on one of the two testing
-modes of the suspend-to-disk mechanism: 'testproc' or 'test'. If the
-suspend-to-disk mechanism is in the 'testproc' mode, writing 'disk' to
-/sys/power/state will cause the kernel to disable nonboot CPUs and freeze
-tasks, wait for 5 seconds, unfreeze tasks and enable nonboot CPUs. If it is
-in the 'test' mode, writing 'disk' to /sys/power/state will cause the kernel
-to disable nonboot CPUs and freeze tasks, shrink memory, suspend devices, wait
-for 5 seconds, resume devices, unfreeze tasks and enable nonboot CPUs. Then,
-we are able to look in the log messages and work out, for example, which code
-is being slow and which device drivers are misbehaving.
-
-Reading from this file will display all supported modes and the currently
-selected one in brackets, for example
-
- [shutdown] reboot test testproc
-
-Writing to this file will accept one of
-
- 'platform' (only if the platform supports it)
- 'shutdown'
- 'reboot'
- 'testproc'
- 'test'
-
-/sys/power/image_size controls the size of the image created by
-the suspend-to-disk mechanism. It can be written a string
-representing a non-negative integer that will be used as an upper
-limit of the image size, in bytes. The suspend-to-disk mechanism will
-do its best to ensure the image size will not exceed that number. However,
-if this turns out to be impossible, it will try to suspend anyway using the
-smallest image possible. In particular, if "0" is written to this file, the
-suspend image will be as small as possible.
-
-Reading from this file will display the current image size limit, which
-is set to 2/5 of available RAM by default.
-
-/sys/power/pm_trace controls the code which saves the last PM event point in
-the RTC across reboots, so that you can debug a machine that just hangs
-during suspend (or more commonly, during resume). Namely, the RTC is only
-used to save the last PM event point if this file contains '1'. Initially it
-contains '0' which may be changed to '1' by writing a string representing a
-nonzero integer into it.
-
-To use this debugging feature you should attempt to suspend the machine, then
-reboot it and run
-
- dmesg -s 1000000 | grep 'hash matches'
-
-CAUTION: Using it will cause your machine's real-time (CMOS) clock to be
-set to a random invalid time after a resume.
+Power Management Interface for System Sleep
+
+Copyright (c) 2016 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+
+The power management subsystem provides userspace with a unified sysfs interface
+for system sleep regardless of the underlying system architecture or platform.
+The interface is located in the /sys/power/ directory (assuming that sysfs is
+mounted at /sys).
+
+/sys/power/state is the system sleep state control file.
+
+Reading from it returns a list of supported sleep states, encoded as:
+
+'freeze' (Suspend-to-Idle)
+'standby' (Power-On Suspend)
+'mem' (Suspend-to-RAM)
+'disk' (Suspend-to-Disk)
+
+Suspend-to-Idle is always supported. Suspend-to-Disk is always supported
+too as long the kernel has been configured to support hibernation at all
+(ie. CONFIG_HIBERNATION is set in the kernel configuration file). Support
+for Suspend-to-RAM and Power-On Suspend depends on the capabilities of the
+platform.
+
+If one of the strings listed in /sys/power/state is written to it, the system
+will attempt to transition into the corresponding sleep state. Refer to
+Documentation/power/states.txt for a description of each of those states.
+
+/sys/power/disk controls the operating mode of hibernation (Suspend-to-Disk).
+Specifically, it tells the kernel what to do after creating a hibernation image.
+
+Reading from it returns a list of supported options encoded as:
+
+'platform' (put the system into sleep using a platform-provided method)
+'shutdown' (shut the system down)
+'reboot' (reboot the system)
+'suspend' (trigger a Suspend-to-RAM transition)
+'test_resume' (resume-after-hibernation test mode)
+
+The currently selected option is printed in square brackets.
+
+The 'platform' option is only available if the platform provides a special
+mechanism to put the system to sleep after creating a hibernation image (ACPI
+does that, for example). The 'suspend' option is available if Suspend-to-RAM
+is supported. Refer to Documentation/power/basic_pm_debugging.txt for the
+description of the 'test_resume' option.
+
+To select an option, write the string representing it to /sys/power/disk.
+
+/sys/power/image_size controls the size of hibernation images.
+
+It can be written a string representing a non-negative integer that will be
+used as a best-effort upper limit of the image size, in bytes. The hibernation
+core will do its best to ensure that the image size will not exceed that number.
+However, if that turns out to be impossible to achieve, a hibernation image will
+still be created and its size will be as small as possible. In particular,
+writing '0' to this file will enforce hibernation images to be as small as
+possible.
+
+Reading from this file returns the current image size limit, which is set to
+around 2/5 of available RAM by default.
+
+/sys/power/pm_trace controls the PM trace mechanism saving the last suspend
+or resume event point in the RTC across reboots.
+
+It helps to debug hard lockups or reboots due to device driver failures that
+occur during system suspend or resume (which is more common) more effectively.
+
+If /sys/power/pm_trace contains '1', the fingerprint of each suspend/resume
+event point in turn will be stored in the RTC memory (overwriting the actual
+RTC information), so it will survive a system crash if one occurs right after
+storing it and it can be used later to identify the driver that caused the crash
+to happen (see Documentation/power/s2ram.txt for more information).
+
+Initially it contains '0' which may be changed to '1' by writing a string
+representing a nonzero integer into it.
diff --git a/Documentation/powerpc/transactional_memory.txt b/Documentation/powerpc/transactional_memory.txt
index ba0a2a4..e32fdbb 100644
--- a/Documentation/powerpc/transactional_memory.txt
+++ b/Documentation/powerpc/transactional_memory.txt
@@ -167,6 +167,8 @@ signal will be rolled back anyway.
For signals taken in non-TM or suspended mode, we use the
normal/non-checkpointed stack pointer.
+Any transaction initiated inside a sighandler and suspended on return
+from the sighandler to the kernel will get reclaimed and discarded.
Failure cause codes used by kernel
==================================
diff --git a/Documentation/rapidio/mport_cdev.txt b/Documentation/rapidio/mport_cdev.txt
index 6e491a6..a53f786 100644
--- a/Documentation/rapidio/mport_cdev.txt
+++ b/Documentation/rapidio/mport_cdev.txt
@@ -80,6 +80,10 @@ functionality of their platform when planning to use this driver:
III. Module parameters
+- 'dma_timeout' - DMA transfer completion timeout (in msec, default value 3000).
+ This parameter set a maximum completion wait time for SYNC mode DMA
+ transfer requests and for RIO_WAIT_FOR_ASYNC ioctl requests.
+
- 'dbg_level' - This parameter allows to control amount of debug information
generated by this device driver. This parameter is formed by set of
bit masks that correspond to the specific functional blocks.
diff --git a/MAINTAINERS b/MAINTAINERS
index 46a2ce6..0560911 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -798,6 +798,7 @@ M: Laura Abbott <labbott@redhat.com>
M: Sumit Semwal <sumit.semwal@linaro.org>
L: devel@driverdev.osuosl.org
S: Supported
+F: Documentation/devicetree/bindings/staging/ion/
F: drivers/staging/android/ion
F: drivers/staging/android/uapi/ion.h
F: drivers/staging/android/uapi/ion_test.h
@@ -881,6 +882,15 @@ S: Supported
F: drivers/gpu/drm/arc/
F: Documentation/devicetree/bindings/display/snps,arcpgu.txt
+ARM ARCHITECTED TIMER DRIVER
+M: Mark Rutland <mark.rutland@arm.com>
+M: Marc Zyngier <marc.zyngier@arm.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/include/asm/arch_timer.h
+F: arch/arm64/include/asm/arch_timer.h
+F: drivers/clocksource/arm_arch_timer.c
+
ARM HDLCD DRM DRIVER
M: Liviu Dudau <liviu.dudau@arm.com>
S: Supported
@@ -1004,6 +1014,7 @@ N: meson
ARM/Annapurna Labs ALPINE ARCHITECTURE
M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
M: Antoine Tenart <antoine.tenart@free-electrons.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-alpine/
F: arch/arm/boot/dts/alpine*
@@ -1613,7 +1624,8 @@ N: rockchip
ARM/SAMSUNG EXYNOS ARM ARCHITECTURES
M: Kukjin Kim <kgene@kernel.org>
-M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
+M: Krzysztof Kozlowski <krzk@kernel.org>
+R: Javier Martinez Canillas <javier@osg.samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
S: Maintained
@@ -1633,7 +1645,6 @@ F: drivers/*/*s3c64xx*
F: drivers/*/*s5pv210*
F: drivers/memory/samsung/*
F: drivers/soc/samsung/*
-F: drivers/spi/spi-s3c*
F: Documentation/arm/Samsung/
F: Documentation/devicetree/bindings/arm/samsung/
F: Documentation/devicetree/bindings/sram/samsung-sram.txt
@@ -1813,6 +1824,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
ARM/UNIPHIER ARCHITECTURE
M: Masahiro Yamada <yamada.masahiro@socionext.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier.git
S: Maintained
F: arch/arm/boot/dts/uniphier*
F: arch/arm/include/asm/hardware/cache-uniphier.h
@@ -2466,7 +2478,7 @@ F: include/net/bluetooth/
BONDING DRIVER
M: Jay Vosburgh <j.vosburgh@gmail.com>
M: Veaceslav Falico <vfalico@gmail.com>
-M: Andy Gospodarek <gospo@cumulusnetworks.com>
+M: Andy Gospodarek <andy@greyhouse.net>
L: netdev@vger.kernel.org
W: http://sourceforge.net/projects/bonding/
S: Supported
@@ -2481,7 +2493,7 @@ S: Supported
F: kernel/bpf/
BROADCOM B44 10/100 ETHERNET DRIVER
-M: Gary Zambrano <zambrano@broadcom.com>
+M: Michael Chan <michael.chan@broadcom.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/broadcom/b44.*
@@ -3229,7 +3241,7 @@ F: kernel/cpuset.c
CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
M: Johannes Weiner <hannes@cmpxchg.org>
M: Michal Hocko <mhocko@kernel.org>
-M: Vladimir Davydov <vdavydov@virtuozzo.com>
+M: Vladimir Davydov <vdavydov.dev@gmail.com>
L: cgroups@vger.kernel.org
L: linux-mm@kvack.org
S: Maintained
@@ -3250,7 +3262,7 @@ S: Maintained
F: drivers/net/wan/cosa*
CPMAC ETHERNET DRIVER
-M: Florian Fainelli <florian@openwrt.org>
+M: Florian Fainelli <f.fainelli@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/ti/cpmac.c
@@ -4516,6 +4528,12 @@ L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/sb_edac.c
+EDAC-SKYLAKE
+M: Tony Luck <tony.luck@intel.com>
+L: linux-edac@vger.kernel.org
+S: Maintained
+F: drivers/edac/skx_edac.c
+
EDAC-XGENE
APPLIED MICRO (APM) X-GENE SOC EDAC
M: Loc Ho <lho@apm.com>
@@ -6093,7 +6111,7 @@ S: Supported
F: drivers/cpufreq/intel_pstate.c
INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
-M: Maik Broemme <mbroemme@plusserver.de>
+M: Maik Broemme <mbroemme@libmpq.org>
L: linux-fbdev@vger.kernel.org
S: Maintained
F: Documentation/fb/intelfb.txt
@@ -7456,7 +7474,8 @@ F: Documentation/devicetree/bindings/sound/max9860.txt
F: sound/soc/codecs/max9860.*
MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
-M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
L: linux-pm@vger.kernel.org
S: Supported
F: drivers/power/max14577_charger.c
@@ -7472,7 +7491,8 @@ F: include/dt-bindings/*/*max77802.h
MAXIM PMIC AND MUIC DRIVERS FOR EXYNOS BASED BOARDS
M: Chanwoo Choi <cw00.choi@samsung.com>
-M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: drivers/*/max14577*.c
@@ -7669,7 +7689,7 @@ L: linux-rdma@vger.kernel.org
S: Supported
W: https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home
Q: http://patchwork.kernel.org/project/linux-rdma/list/
-F: drivers/infiniband/hw/rxe/
+F: drivers/infiniband/sw/rxe/
F: include/uapi/rdma/rdma_user_rxe.h
MEMBARRIER SUPPORT
@@ -8164,6 +8184,15 @@ S: Maintained
W: https://fedorahosted.org/dropwatch/
F: net/core/drop_monitor.c
+NETWORKING [DSA]
+M: Andrew Lunn <andrew@lunn.ch>
+M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
+M: Florian Fainelli <f.fainelli@gmail.com>
+S: Maintained
+F: net/dsa/
+F: include/net/dsa.h
+F: drivers/net/dsa/
+
NETWORKING [GENERAL]
M: "David S. Miller" <davem@davemloft.net>
L: netdev@vger.kernel.org
@@ -8739,7 +8768,7 @@ F: drivers/oprofile/
F: include/linux/oprofile.h
ORACLE CLUSTER FILESYSTEM 2 (OCFS2)
-M: Mark Fasheh <mfasheh@suse.com>
+M: Mark Fasheh <mfasheh@versity.com>
M: Joel Becker <jlbec@evilplan.org>
L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers)
W: http://ocfs2.wiki.kernel.org
@@ -9253,7 +9282,7 @@ F: drivers/pinctrl/sh-pfc/
PIN CONTROLLER - SAMSUNG
M: Tomasz Figa <tomasz.figa@gmail.com>
-M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
+M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
@@ -10186,7 +10215,7 @@ S: Maintained
F: drivers/platform/x86/samsung-laptop.c
SAMSUNG AUDIO (ASoC) DRIVERS
-M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
+M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sangbeom Kim <sbkim73@samsung.com>
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
@@ -10201,7 +10230,8 @@ F: drivers/video/fbdev/s3c-fb.c
SAMSUNG MULTIFUNCTION PMIC DEVICE DRIVERS
M: Sangbeom Kim <sbkim73@samsung.com>
-M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
L: linux-kernel@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Supported
@@ -10260,6 +10290,17 @@ S: Supported
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
F: drivers/clk/samsung/
+SAMSUNG SPI DRIVERS
+M: Kukjin Kim <kgene@kernel.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Andi Shyti <andi.shyti@samsung.com>
+L: linux-spi@vger.kernel.org
+L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/spi/spi-samsung.txt
+F: drivers/spi/spi-s3c*
+F: include/linux/platform_data/spi-s3c64xx.h
+
SAMSUNG SXGBE DRIVERS
M: Byungho An <bh74.an@samsung.com>
M: Girish K S <ks.giri@samsung.com>
@@ -11246,12 +11287,8 @@ S: Odd Fixes
F: drivers/staging/vt665?/
STAGING - WILC1000 WIFI DRIVER
-M: Johnny Kim <johnny.kim@atmel.com>
-M: Austin Shin <austin.shin@atmel.com>
-M: Chris Park <chris.park@atmel.com>
-M: Tony Cho <tony.cho@atmel.com>
-M: Glen Lee <glen.lee@atmel.com>
-M: Leo Kim <leo.kim@atmel.com>
+M: Aditya Shankar <aditya.shankar@microchip.com>
+M: Ganesh Krishna <ganesh.krishna@microchip.com>
L: linux-wireless@vger.kernel.org
S: Supported
F: drivers/staging/wilc1000/
@@ -11619,7 +11656,7 @@ F: Documentation/devicetree/bindings/thermal/
THERMAL/CPU_COOLING
M: Amit Daniel Kachhap <amit.kachhap@gmail.com>
M: Viresh Kumar <viresh.kumar@linaro.org>
-M: Javi Merino <javi.merino@arm.com>
+M: Javi Merino <javi.merino@kernel.org>
L: linux-pm@vger.kernel.org
S: Supported
F: Documentation/thermal/cpu-cooling-api.txt
@@ -12580,7 +12617,7 @@ F: include/linux/if_*vlan.h
F: net/8021q/
VLYNQ BUS
-M: Florian Fainelli <florian@openwrt.org>
+M: Florian Fainelli <f.fainelli@gmail.com>
L: openwrt-devel@lists.openwrt.org (subscribers-only)
S: Maintained
F: drivers/vlynq/vlynq.c
diff --git a/Makefile b/Makefile
index 0fa3feb..addb235 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 8
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION =
NAME = Psychotic Stoned Sheep
# *DOCUMENTATION*
@@ -635,13 +635,6 @@ endif
# Tell gcc to never replace conditional load with a non-conditional one
KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
-PHONY += gcc-plugins
-gcc-plugins: scripts_basic
-ifdef CONFIG_GCC_PLUGINS
- $(Q)$(MAKE) $(build)=scripts/gcc-plugins
-endif
- @:
-
include scripts/Makefile.gcc-plugins
ifdef CONFIG_READABLE_ASM
diff --git a/arch/Kconfig b/arch/Kconfig
index bd8056b..fd6e971 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -336,17 +336,6 @@ config HAVE_ARCH_SECCOMP_FILTER
results in the system call being skipped immediately.
- seccomp syscall wired up
- For best performance, an arch should use seccomp_phase1 and
- seccomp_phase2 directly. It should call seccomp_phase1 for all
- syscalls if TIF_SECCOMP is set, but seccomp_phase1 does not
- need to be called from a ptrace-safe context. It must then
- call seccomp_phase2 if seccomp_phase1 returns anything other
- than SECCOMP_PHASE1_OK or SECCOMP_PHASE1_SKIP.
-
- As an additional optimization, an arch may provide seccomp_data
- directly to seccomp_phase1; this avoids multiple calls
- to the syscall_xyz helpers for every syscall.
-
config SECCOMP_FILTER
def_bool y
depends on HAVE_ARCH_SECCOMP_FILTER && SECCOMP && NET
@@ -461,6 +450,15 @@ config CC_STACKPROTECTOR_STRONG
endchoice
+config HAVE_ARCH_WITHIN_STACK_FRAMES
+ bool
+ help
+ An architecture should select this if it can walk the kernel stack
+ frames to determine if an object is part of either the arguments
+ or local variables (i.e. that it excludes saved return addresses,
+ and similar) by implementing an inline arch_within_stack_frames(),
+ which is used by CONFIG_HARDENED_USERCOPY.
+
config HAVE_CONTEXT_TRACKING
bool
help
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index c419b43..466e42e 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -371,14 +371,6 @@ __copy_tofrom_user_nocheck(void *to, const void *from, long len)
return __cu_len;
}
-extern inline long
-__copy_tofrom_user(void *to, const void *from, long len, const void __user *validate)
-{
- if (__access_ok((unsigned long)validate, len, get_fs()))
- len = __copy_tofrom_user_nocheck(to, from, len);
- return len;
-}
-
#define __copy_to_user(to, from, n) \
({ \
__chk_user_ptr(to); \
@@ -393,17 +385,22 @@ __copy_tofrom_user(void *to, const void *from, long len, const void __user *vali
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
-
extern inline long
copy_to_user(void __user *to, const void *from, long n)
{
- return __copy_tofrom_user((__force void *)to, from, n, to);
+ if (likely(__access_ok((unsigned long)to, n, get_fs())))
+ n = __copy_tofrom_user_nocheck((__force void *)to, from, n);
+ return n;
}
extern inline long
copy_from_user(void *to, const void __user *from, long n)
{
- return __copy_tofrom_user(to, (__force void *)from, n, from);
+ if (likely(__access_ok((unsigned long)from, n, get_fs())))
+ n = __copy_tofrom_user_nocheck(to, (__force void *)from, n);
+ else
+ memset(to, 0, n);
+ return n;
}
extern void __do_clear_user(void);
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h
index ad7860c..51597f3 100644
--- a/arch/arc/include/asm/entry.h
+++ b/arch/arc/include/asm/entry.h
@@ -142,7 +142,7 @@
#ifdef CONFIG_ARC_CURR_IN_REG
; Retrieve orig r25 and save it with rest of callee_regs
- ld.as r12, [r12, PT_user_r25]
+ ld r12, [r12, PT_user_r25]
PUSH r12
#else
PUSH r25
@@ -198,7 +198,7 @@
; SP is back to start of pt_regs
#ifdef CONFIG_ARC_CURR_IN_REG
- st.as r12, [sp, PT_user_r25]
+ st r12, [sp, PT_user_r25]
#endif
.endm
diff --git a/arch/arc/include/asm/irqflags-compact.h b/arch/arc/include/asm/irqflags-compact.h
index c1d3645..4c6eed8 100644
--- a/arch/arc/include/asm/irqflags-compact.h
+++ b/arch/arc/include/asm/irqflags-compact.h
@@ -188,10 +188,10 @@ static inline int arch_irqs_disabled(void)
.endm
.macro IRQ_ENABLE scratch
+ TRACE_ASM_IRQ_ENABLE
lr \scratch, [status32]
or \scratch, \scratch, (STATUS_E1_MASK | STATUS_E2_MASK)
flag \scratch
- TRACE_ASM_IRQ_ENABLE
.endm
#endif /* __ASSEMBLY__ */
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 0f92d97..89eeb37 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -280,7 +280,7 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep)
#define pte_page(pte) pfn_to_page(pte_pfn(pte))
#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
-#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
+#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
/* Don't use virt_to_pfn for macros below: could cause truncations for PAE40*/
#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index a78d567..41faf17 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -83,7 +83,10 @@
"2: ;nop\n" \
" .section .fixup, \"ax\"\n" \
" .align 4\n" \
- "3: mov %0, %3\n" \
+ "3: # return -EFAULT\n" \
+ " mov %0, %3\n" \
+ " # zero out dst ptr\n" \
+ " mov %1, 0\n" \
" j 2b\n" \
" .previous\n" \
" .section __ex_table, \"a\"\n" \
@@ -101,7 +104,11 @@
"2: ;nop\n" \
" .section .fixup, \"ax\"\n" \
" .align 4\n" \
- "3: mov %0, %3\n" \
+ "3: # return -EFAULT\n" \
+ " mov %0, %3\n" \
+ " # zero out dst ptr\n" \
+ " mov %1, 0\n" \
+ " mov %R1, 0\n" \
" j 2b\n" \
" .previous\n" \
" .section __ex_table, \"a\"\n" \
diff --git a/arch/arc/include/uapi/asm/elf.h b/arch/arc/include/uapi/asm/elf.h
index 0f99ac8..0037a58 100644
--- a/arch/arc/include/uapi/asm/elf.h
+++ b/arch/arc/include/uapi/asm/elf.h
@@ -13,8 +13,15 @@
/* Machine specific ELF Hdr flags */
#define EF_ARC_OSABI_MSK 0x00000f00
-#define EF_ARC_OSABI_ORIG 0x00000000 /* MUST be zero for back-compat */
-#define EF_ARC_OSABI_CURRENT 0x00000300 /* v3 (no legacy syscalls) */
+
+#define EF_ARC_OSABI_V3 0x00000300 /* v3 (no legacy syscalls) */
+#define EF_ARC_OSABI_V4 0x00000400 /* v4 (64bit data any reg align) */
+
+#if __GNUC__ < 6
+#define EF_ARC_OSABI_CURRENT EF_ARC_OSABI_V3
+#else
+#define EF_ARC_OSABI_CURRENT EF_ARC_OSABI_V4
+#endif
typedef unsigned long elf_greg_t;
typedef unsigned long elf_fpregset_t;
diff --git a/arch/arc/kernel/arcksyms.c b/arch/arc/kernel/arcksyms.c
index 4d9e777..000dd04 100644
--- a/arch/arc/kernel/arcksyms.c
+++ b/arch/arc/kernel/arcksyms.c
@@ -28,6 +28,7 @@ extern void __muldf3(void);
extern void __divdf3(void);
extern void __floatunsidf(void);
extern void __floatunsisf(void);
+extern void __udivdi3(void);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__ashrdi3);
@@ -45,6 +46,7 @@ EXPORT_SYMBOL(__muldf3);
EXPORT_SYMBOL(__divdf3);
EXPORT_SYMBOL(__floatunsidf);
EXPORT_SYMBOL(__floatunsisf);
+EXPORT_SYMBOL(__udivdi3);
/* ARC optimised assembler routines */
EXPORT_SYMBOL(memset);
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index b5db9e7..be1972b 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -199,7 +199,7 @@ int elf_check_arch(const struct elf32_hdr *x)
}
eflags = x->e_flags;
- if ((eflags & EF_ARC_OSABI_MSK) < EF_ARC_OSABI_CURRENT) {
+ if ((eflags & EF_ARC_OSABI_MSK) != EF_ARC_OSABI_CURRENT) {
pr_err("ABI mismatch - you need newer toolchain\n");
force_sigsegv(SIGSEGV, current);
return 0;
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index a946400..f52a0d0d 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -291,8 +291,10 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len)
cpu->dccm.base_addr, TO_KB(cpu->dccm.sz),
cpu->iccm.base_addr, TO_KB(cpu->iccm.sz));
- n += scnprintf(buf + n, len - n,
- "OS ABI [v3]\t: no-legacy-syscalls\n");
+ n += scnprintf(buf + n, len - n, "OS ABI [v%d]\t: %s\n",
+ EF_ARC_OSABI_CURRENT >> 8,
+ EF_ARC_OSABI_CURRENT == EF_ARC_OSABI_V3 ?
+ "no-legacy-syscalls" : "64-bit data any register aligned");
return buf;
}
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 5a294b2..0b10efe 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -921,6 +921,15 @@ void arc_cache_init(void)
printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
+ /*
+ * Only master CPU needs to execute rest of function:
+ * - Assume SMP so all cores will have same cache config so
+ * any geomtry checks will be same for all
+ * - IOC setup / dma callbacks only need to be setup once
+ */
+ if (cpu)
+ return;
+
if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE)) {
struct cpuinfo_arc_cache *ic = &cpuinfo_arc700[cpu].icache;
diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c
index 04f8332..77ff64a 100644
--- a/arch/arc/mm/highmem.c
+++ b/arch/arc/mm/highmem.c
@@ -61,6 +61,7 @@ void *kmap(struct page *page)
return kmap_high(page);
}
+EXPORT_SYMBOL(kmap);
void *kmap_atomic(struct page *page)
{
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2d601d7..a9c4e48 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -35,6 +35,7 @@ config ARM
select HARDIRQS_SW_RESEND
select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT)
select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
+ select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_MMAP_RND_BITS if MMU
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 56ea5c60b..61f6ccc 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -260,12 +260,14 @@ machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
+ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
ifeq ($(KBUILD_SRC),)
KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
else
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
endif
endif
+endif
export TEXT_OFFSET GZFLAGS MMUEXT
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index af11c2f..fc6d541 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -779,7 +779,7 @@ __armv7_mmu_cache_on:
orrne r0, r0, #1 @ MMU enabled
movne r1, #0xfffffffd @ domain 0 = client
bic r6, r6, #1 << 31 @ 32-bit translation system
- bic r6, r6, #3 << 0 @ use only ttbr0
+ bic r6, r6, #(7 << 0) | (1 << 4) @ use only ttbr0
mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer
mcrne p15, 0, r1, c3, c0, 0 @ load domain access control
mcrne p15, 0, r6, c2, c0, 2 @ load ttb control
diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
index c8609d8..b689172 100644
--- a/arch/arm/boot/dts/am335x-baltos.dtsi
+++ b/arch/arm/boot/dts/am335x-baltos.dtsi
@@ -226,7 +226,7 @@
#address-cells = <1>;
#size-cells = <1>;
- elm_id = <&elm>;
+ ti,elm-id = <&elm>;
};
};
diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi
index df63484..e7d9ca1 100644
--- a/arch/arm/boot/dts/am335x-igep0033.dtsi
+++ b/arch/arm/boot/dts/am335x-igep0033.dtsi
@@ -161,7 +161,7 @@
#address-cells = <1>;
#size-cells = <1>;
- elm_id = <&elm>;
+ ti,elm-id = <&elm>;
/* MTD partition table */
partition@0 {
diff --git a/arch/arm/boot/dts/am335x-phycore-som.dtsi b/arch/arm/boot/dts/am335x-phycore-som.dtsi
index 86f7731..1263c9d 100644
--- a/arch/arm/boot/dts/am335x-phycore-som.dtsi
+++ b/arch/arm/boot/dts/am335x-phycore-som.dtsi
@@ -197,7 +197,7 @@
gpmc,wr-access-ns = <30>;
gpmc,wr-data-mux-bus-ns = <0>;
- elm_id = <&elm>;
+ ti,elm-id = <&elm>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/boot/dts/arm-realview-pbx-a9.dts b/arch/arm/boot/dts/arm-realview-pbx-a9.dts
index db808f9..90d00b4 100644
--- a/arch/arm/boot/dts/arm-realview-pbx-a9.dts
+++ b/arch/arm/boot/dts/arm-realview-pbx-a9.dts
@@ -70,13 +70,12 @@
* associativity as these may be erroneously set
* up by boot loader(s).
*/
- cache-size = <1048576>; // 1MB
- cache-sets = <4096>;
+ cache-size = <131072>; // 128KB
+ cache-sets = <512>;
cache-line-size = <32>;
arm,parity-disable;
- arm,tag-latency = <1>;
- arm,data-latency = <1 1>;
- arm,dirty-latency = <1>;
+ arm,tag-latency = <1 1 1>;
+ arm,data-latency = <1 1 1>;
};
scu: scu@1f000000 {
diff --git a/arch/arm/boot/dts/armada-388-clearfog.dts b/arch/arm/boot/dts/armada-388-clearfog.dts
index 2e0556a..d3e6bd8 100644
--- a/arch/arm/boot/dts/armada-388-clearfog.dts
+++ b/arch/arm/boot/dts/armada-388-clearfog.dts
@@ -390,12 +390,12 @@
port@0 {
reg = <0>;
- label = "lan1";
+ label = "lan5";
};
port@1 {
reg = <1>;
- label = "lan2";
+ label = "lan4";
};
port@2 {
@@ -405,12 +405,12 @@
port@3 {
reg = <3>;
- label = "lan4";
+ label = "lan2";
};
port@4 {
reg = <4>;
- label = "lan5";
+ label = "lan1";
};
port@5 {
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index caf2707..e9b47b2 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -2,6 +2,7 @@
/ {
memory {
+ device_type = "memory";
reg = <0 0x10000000>;
};
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index b982522..445624a 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -2,7 +2,6 @@
#include <dt-bindings/clock/bcm2835.h>
#include <dt-bindings/clock/bcm2835-aux.h>
#include <dt-bindings/gpio/gpio.h>
-#include "skeleton.dtsi"
/* This include file covers the common peripherals and configuration between
* bcm2835 and bcm2836 implementations, leaving the CPU configuration to
@@ -13,6 +12,8 @@
compatible = "brcm,bcm2835";
model = "BCM2835";
interrupt-parent = <&intc>;
+ #address-cells = <1>;
+ #size-cells = <1>;
chosen {
bootargs = "earlyprintk console=ttyAMA0";
diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts
index d949931..f6d1352 100644
--- a/arch/arm/boot/dts/exynos5410-odroidxu.dts
+++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts
@@ -447,14 +447,11 @@
samsung,dw-mshc-ciu-div = <3>;
samsung,dw-mshc-sdr-timing = <0 4>;
samsung,dw-mshc-ddr-timing = <0 2>;
- samsung,dw-mshc-hs400-timing = <0 2>;
- samsung,read-strobe-delay = <90>;
pinctrl-names = "default";
pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_cd>;
bus-width = <8>;
cap-mmc-highspeed;
mmc-hs200-1_8v;
- mmc-hs400-1_8v;
vmmc-supply = <&ldo20_reg>;
vqmmc-supply = <&ldo11_reg>;
};
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index b620ac8..b13b0b2 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -243,7 +243,7 @@
clocks = <&clks IMX6QDL_CLK_SPDIF_GCLK>, <&clks IMX6QDL_CLK_OSC>,
<&clks IMX6QDL_CLK_SPDIF>, <&clks IMX6QDL_CLK_ASRC>,
<&clks IMX6QDL_CLK_DUMMY>, <&clks IMX6QDL_CLK_ESAI_EXTAL>,
- <&clks IMX6QDL_CLK_IPG>, <&clks IMX6QDL_CLK_MLB>,
+ <&clks IMX6QDL_CLK_IPG>, <&clks IMX6QDL_CLK_DUMMY>,
<&clks IMX6QDL_CLK_DUMMY>, <&clks IMX6QDL_CLK_SPBA>;
clock-names = "core", "rxtx0",
"rxtx1", "rxtx2",
diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 96ea936..240a286 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -64,7 +64,7 @@
cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
no-1-8-v;
keep-power-in-suspend;
- enable-sdio-wakup;
+ wakeup-source;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 95ee268..2f33c46 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -131,7 +131,7 @@
ti,y-min = /bits/ 16 <0>;
ti,y-max = /bits/ 16 <0>;
ti,pressure-max = /bits/ 16 <0>;
- ti,x-plat-ohms = /bits/ 16 <400>;
+ ti,x-plate-ohms = /bits/ 16 <400>;
wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
index cf06e32..4b34b54 100644
--- a/arch/arm/boot/dts/integratorap.dts
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -42,7 +42,7 @@
};
syscon {
- compatible = "arm,integrator-ap-syscon";
+ compatible = "arm,integrator-ap-syscon", "syscon";
reg = <0x11000000 0x100>;
interrupt-parent = <&pic>;
/* These are the logical module IRQs */
diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts
index d43f15b..79430fb 100644
--- a/arch/arm/boot/dts/integratorcp.dts
+++ b/arch/arm/boot/dts/integratorcp.dts
@@ -94,7 +94,7 @@
};
syscon {
- compatible = "arm,integrator-cp-syscon";
+ compatible = "arm,integrator-cp-syscon", "syscon";
reg = <0xcb000000 0x100>;
};
diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi
index 00cb314..e23f46d 100644
--- a/arch/arm/boot/dts/keystone.dtsi
+++ b/arch/arm/boot/dts/keystone.dtsi
@@ -70,14 +70,6 @@
cpu_on = <0x84000003>;
};
- psci {
- compatible = "arm,psci";
- method = "smc";
- cpu_suspend = <0x84000001>;
- cpu_off = <0x84000002>;
- cpu_on = <0x84000003>;
- };
-
soc {
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts
index ef84d86..5bf6289 100644
--- a/arch/arm/boot/dts/kirkwood-ib62x0.dts
+++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts
@@ -113,7 +113,7 @@
partition@e0000 {
label = "u-boot environment";
- reg = <0xe0000 0x100000>;
+ reg = <0xe0000 0x20000>;
};
partition@100000 {
diff --git a/arch/arm/boot/dts/kirkwood-openrd.dtsi b/arch/arm/boot/dts/kirkwood-openrd.dtsi
index e4ecab1..7175511 100644
--- a/arch/arm/boot/dts/kirkwood-openrd.dtsi
+++ b/arch/arm/boot/dts/kirkwood-openrd.dtsi
@@ -116,6 +116,10 @@
};
};
+&pciec {
+ status = "okay";
+};
+
&pcie0 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi
index 365f39ff..0ff1c2d 100644
--- a/arch/arm/boot/dts/logicpd-som-lv.dtsi
+++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi
@@ -35,10 +35,15 @@
ranges = <0 0 0x00000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
- linux,mtd-name = "micron,mt29f4g16abbda3w";
+ compatible = "ti,omap2-nand";
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
+ interrupt-parent = <&gpmc>;
+ interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+ <1 IRQ_TYPE_NONE>; /* termcount */
+ linux,mtd-name = "micron,mt29f4g16abbda3w";
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";
+ rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <44>;
@@ -54,10 +59,6 @@
gpmc,wr-access-ns = <40>;
gpmc,wr-data-mux-bus-ns = <0>;
gpmc,device-width = <2>;
-
- gpmc,page-burst-access-ns = <5>;
- gpmc,cycle2cycle-delay-ns = <50>;
-
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
index 5e9a13c..1c2c746 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
@@ -46,6 +46,7 @@
linux,mtd-name = "micron,mt29f4g16abbda3w";
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";
+ rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <44>;
diff --git a/arch/arm/boot/dts/omap3-overo-base.dtsi b/arch/arm/boot/dts/omap3-overo-base.dtsi
index de256fa..3e946ca 100644
--- a/arch/arm/boot/dts/omap3-overo-base.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-base.dtsi
@@ -223,7 +223,9 @@
};
&gpmc {
- ranges = <0 0 0x00000000 0x20000000>;
+ ranges = <0 0 0x30000000 0x1000000>, /* CS0 */
+ <4 0 0x2b000000 0x1000000>, /* CS4 */
+ <5 0 0x2c000000 0x1000000>; /* CS5 */
nand@0,0 {
compatible = "ti,omap2-nand";
diff --git a/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi b/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi
index 7df2792..4f4c6ef 100644
--- a/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi
@@ -55,8 +55,6 @@
#include "omap-gpmc-smsc9221.dtsi"
&gpmc {
- ranges = <5 0 0x2c000000 0x1000000>; /* CS5 */
-
ethernet@gpmc {
reg = <5 0 0xff>;
interrupt-parent = <&gpio6>;
diff --git a/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
index 9e24b6a..1b304e2 100644
--- a/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
@@ -27,8 +27,6 @@
#include "omap-gpmc-smsc9221.dtsi"
&gpmc {
- ranges = <5 0 0x2c000000 0x1000000>; /* CS5 */
-
ethernet@gpmc {
reg = <5 0 0xff>;
interrupt-parent = <&gpio6>;
diff --git a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi
index 334109e..82e98ee 100644
--- a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi
@@ -15,9 +15,6 @@
#include "omap-gpmc-smsc9221.dtsi"
&gpmc {
- ranges = <4 0 0x2b000000 0x1000000>, /* CS4 */
- <5 0 0x2c000000 0x1000000>; /* CS5 */
-
smsc1: ethernet@gpmc {
reg = <5 0 0xff>;
interrupt-parent = <&gpio6>;
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index c0ba86c..0d0dae3 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -197,6 +197,8 @@
clock-names = "saradc", "apb_pclk";
interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
#io-channel-cells = <1>;
+ resets = <&cru SRST_SARADC>;
+ reset-names = "saradc-apb";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index cd33f01..91c4b3c 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -279,6 +279,8 @@
#io-channel-cells = <1>;
clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
clock-names = "saradc", "apb_pclk";
+ resets = <&cru SRST_SARADC>;
+ reset-names = "saradc-apb";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index 99bbcc2..e2cd683 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -399,6 +399,8 @@
#io-channel-cells = <1>;
clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
clock-names = "saradc", "apb_pclk";
+ resets = <&cru SRST_SARADC>;
+ reset-names = "saradc-apb";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index 9f88086..29aad87 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -550,8 +550,9 @@
interrupt-names = "mmcirq";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mmc0>;
- clock-names = "mmc";
- clocks = <&clk_s_c0_flexgen CLK_MMC_0>;
+ clock-names = "mmc", "icn";
+ clocks = <&clk_s_c0_flexgen CLK_MMC_0>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
bus-width = <8>;
non-removable;
};
@@ -565,8 +566,9 @@
interrupt-names = "mmcirq";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd1>;
- clock-names = "mmc";
- clocks = <&clk_s_c0_flexgen CLK_MMC_1>;
+ clock-names = "mmc", "icn";
+ clocks = <&clk_s_c0_flexgen CLK_MMC_1>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
resets = <&softreset STIH407_MMC1_SOFTRESET>;
bus-width = <4>;
};
diff --git a/arch/arm/boot/dts/stih410.dtsi b/arch/arm/boot/dts/stih410.dtsi
index 18ed1ad..4031886 100644
--- a/arch/arm/boot/dts/stih410.dtsi
+++ b/arch/arm/boot/dts/stih410.dtsi
@@ -41,7 +41,8 @@
compatible = "st,st-ohci-300x";
reg = <0x9a03c00 0x100>;
interrupts = <GIC_SPI 180 IRQ_TYPE_NONE>;
- clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+ clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>,
<&softreset STIH407_USB2_PORT0_SOFTRESET>;
reset-names = "power", "softreset";
@@ -57,7 +58,8 @@
interrupts = <GIC_SPI 151 IRQ_TYPE_NONE>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0>;
- clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+ clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>,
<&softreset STIH407_USB2_PORT0_SOFTRESET>;
reset-names = "power", "softreset";
@@ -71,7 +73,8 @@
compatible = "st,st-ohci-300x";
reg = <0x9a83c00 0x100>;
interrupts = <GIC_SPI 181 IRQ_TYPE_NONE>;
- clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+ clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
resets = <&powerdown STIH407_USB2_PORT1_POWERDOWN>,
<&softreset STIH407_USB2_PORT1_SOFTRESET>;
reset-names = "power", "softreset";
@@ -87,7 +90,8 @@
interrupts = <GIC_SPI 153 IRQ_TYPE_NONE>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
- clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>;
+ clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>;
resets = <&powerdown STIH407_USB2_PORT1_POWERDOWN>,
<&softreset STIH407_USB2_PORT1_SOFTRESET>;
reset-names = "power", "softreset";
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index e012890..a17ba02 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -84,7 +84,7 @@
trips {
cpu_alert0: cpu_alert0 {
/* milliCelsius */
- temperature = <850000>;
+ temperature = <85000>;
hysteresis = <2000>;
type = "passive";
};
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 1dfc492..1444fbd 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -897,7 +897,7 @@
palmas: tps65913@58 {
compatible = "ti,palmas";
reg = <0x58>;
- interrupts = <0 86 IRQ_TYPE_LEVEL_LOW>;
+ interrupts = <0 86 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <2>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts
index 70cf409..966a7fc 100644
--- a/arch/arm/boot/dts/tegra114-roth.dts
+++ b/arch/arm/boot/dts/tegra114-roth.dts
@@ -802,7 +802,7 @@
palmas: pmic@58 {
compatible = "ti,palmas";
reg = <0x58>;
- interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <2>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/tegra114-tn7.dts b/arch/arm/boot/dts/tegra114-tn7.dts
index 17dd145..a161fa1 100644
--- a/arch/arm/boot/dts/tegra114-tn7.dts
+++ b/arch/arm/boot/dts/tegra114-tn7.dts
@@ -63,7 +63,7 @@
palmas: pmic@58 {
compatible = "ti,palmas";
reg = <0x58>;
- interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <2>;
interrupt-controller;
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 0e97b4b..6c7b06854 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -140,7 +140,7 @@ static struct locomo_dev_info locomo_devices[] = {
static void locomo_handler(struct irq_desc *desc)
{
- struct locomo *lchip = irq_desc_get_chip_data(desc);
+ struct locomo *lchip = irq_desc_get_handler_data(desc);
int req, i;
/* Acknowledge the parent IRQ */
@@ -200,8 +200,7 @@ static void locomo_setup_irq(struct locomo *lchip)
* Install handler for IRQ_LOCOMO_HW.
*/
irq_set_irq_type(lchip->irq, IRQ_TYPE_EDGE_FALLING);
- irq_set_chip_data(lchip->irq, lchip);
- irq_set_chained_handler(lchip->irq, locomo_handler);
+ irq_set_chained_handler_and_data(lchip->irq, locomo_handler, lchip);
/* Install handlers for IRQ_LOCOMO_* */
for ( ; irq <= lchip->irq_base + 3; irq++) {
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index fb0a0a4..2e076c4 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -472,8 +472,8 @@ static int sa1111_setup_irq(struct sa1111 *sachip, unsigned irq_base)
* specifies that S0ReadyInt and S1ReadyInt should be '1'.
*/
sa1111_writel(0, irqbase + SA1111_INTPOL0);
- sa1111_writel(SA1111_IRQMASK_HI(IRQ_S0_READY_NINT) |
- SA1111_IRQMASK_HI(IRQ_S1_READY_NINT),
+ sa1111_writel(BIT(IRQ_S0_READY_NINT & 31) |
+ BIT(IRQ_S1_READY_NINT & 31),
irqbase + SA1111_INTPOL1);
/* clear all IRQs */
@@ -754,7 +754,7 @@ static int __sa1111_probe(struct device *me, struct resource *mem, int irq)
if (sachip->irq != NO_IRQ) {
ret = sa1111_setup_irq(sachip, pd->irq_base);
if (ret)
- goto err_unmap;
+ goto err_clk;
}
#ifdef CONFIG_ARCH_SA1100
@@ -799,6 +799,8 @@ static int __sa1111_probe(struct device *me, struct resource *mem, int irq)
return 0;
+ err_clk:
+ clk_disable(sachip->clk);
err_unmap:
iounmap(sachip->base);
err_clk_unprep:
@@ -869,9 +871,9 @@ struct sa1111_save_data {
#ifdef CONFIG_PM
-static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
+static int sa1111_suspend_noirq(struct device *dev)
{
- struct sa1111 *sachip = platform_get_drvdata(dev);
+ struct sa1111 *sachip = dev_get_drvdata(dev);
struct sa1111_save_data *save;
unsigned long flags;
unsigned int val;
@@ -934,9 +936,9 @@ static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
* restored by their respective drivers, and must be called
* via LDM after this function.
*/
-static int sa1111_resume(struct platform_device *dev)
+static int sa1111_resume_noirq(struct device *dev)
{
- struct sa1111 *sachip = platform_get_drvdata(dev);
+ struct sa1111 *sachip = dev_get_drvdata(dev);
struct sa1111_save_data *save;
unsigned long flags, id;
void __iomem *base;
@@ -952,7 +954,7 @@ static int sa1111_resume(struct platform_device *dev)
id = sa1111_readl(sachip->base + SA1111_SKID);
if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
__sa1111_remove(sachip);
- platform_set_drvdata(dev, NULL);
+ dev_set_drvdata(dev, NULL);
kfree(save);
return 0;
}
@@ -1003,8 +1005,8 @@ static int sa1111_resume(struct platform_device *dev)
}
#else
-#define sa1111_suspend NULL
-#define sa1111_resume NULL
+#define sa1111_suspend_noirq NULL
+#define sa1111_resume_noirq NULL
#endif
static int sa1111_probe(struct platform_device *pdev)
@@ -1017,7 +1019,7 @@ static int sa1111_probe(struct platform_device *pdev)
return -EINVAL;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
- return -ENXIO;
+ return irq;
return __sa1111_probe(&pdev->dev, mem, irq);
}
@@ -1038,6 +1040,11 @@ static int sa1111_remove(struct platform_device *pdev)
return 0;
}
+static struct dev_pm_ops sa1111_pm_ops = {
+ .suspend_noirq = sa1111_suspend_noirq,
+ .resume_noirq = sa1111_resume_noirq,
+};
+
/*
* Not sure if this should be on the system bus or not yet.
* We really want some way to register a system device at
@@ -1050,10 +1057,9 @@ static int sa1111_remove(struct platform_device *pdev)
static struct platform_driver sa1111_device_driver = {
.probe = sa1111_probe,
.remove = sa1111_remove,
- .suspend = sa1111_suspend,
- .resume = sa1111_resume,
.driver = {
.name = "sa1111",
+ .pm = &sa1111_pm_ops,
},
};
diff --git a/arch/arm/configs/aspeed_g4_defconfig b/arch/arm/configs/aspeed_g4_defconfig
index b6e54ee..ca39c04 100644
--- a/arch/arm/configs/aspeed_g4_defconfig
+++ b/arch/arm/configs/aspeed_g4_defconfig
@@ -58,7 +58,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_FANOTIFY=y
-CONFIG_PRINTK_TIME=1
+CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_PAGE_POISONING=y
diff --git a/arch/arm/configs/aspeed_g5_defconfig b/arch/arm/configs/aspeed_g5_defconfig
index 8926051..4f366b0 100644
--- a/arch/arm/configs/aspeed_g5_defconfig
+++ b/arch/arm/configs/aspeed_g5_defconfig
@@ -59,7 +59,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_FANOTIFY=y
-CONFIG_PRINTK_TIME=1
+CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_PAGE_POISONING=y
diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
index 71b42e6..78cd2f1 100644
--- a/arch/arm/configs/keystone_defconfig
+++ b/arch/arm/configs/keystone_defconfig
@@ -161,6 +161,7 @@ CONFIG_USB_MON=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_USB_DWC3=y
+CONFIG_NOP_USB_XCEIV=y
CONFIG_KEYSTONE_USB_PHY=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 2c8665c..ea3566f 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -781,7 +781,7 @@ CONFIG_MXS_DMA=y
CONFIG_DMA_BCM2835=y
CONFIG_DMA_OMAP=y
CONFIG_QCOM_BAM_DMA=y
-CONFIG_XILINX_VDMA=y
+CONFIG_XILINX_DMA=y
CONFIG_DMA_SUN6I=y
CONFIG_STAGING=y
CONFIG_SENSORS_ISL29018=y
diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c
index da3c042..aef022a 100644
--- a/arch/arm/crypto/aes-ce-glue.c
+++ b/arch/arm/crypto/aes-ce-glue.c
@@ -284,7 +284,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
err = blkcipher_walk_done(desc, &walk,
walk.nbytes % AES_BLOCK_SIZE);
}
- if (nbytes) {
+ if (walk.nbytes % AES_BLOCK_SIZE) {
u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;
u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE;
u8 __aligned(8) tail[AES_BLOCK_SIZE];
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index d009f79..bf02dbd 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -111,7 +111,7 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
/* The ARM override for dma_max_pfn() */
static inline unsigned long dma_max_pfn(struct device *dev)
{
- return PHYS_PFN_OFFSET + dma_to_pfn(dev, *dev->dma_mask);
+ return dma_to_pfn(dev, *dev->dma_mask);
}
#define dma_max_pfn(dev) dma_max_pfn(dev)
diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h
index d0131ee..3f82e9d 100644
--- a/arch/arm/include/asm/pgtable-2level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h
@@ -47,6 +47,7 @@
#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE)
#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
+#define PMD_SECT_CACHE_MASK (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2))
/*
diff --git a/arch/arm/include/asm/pgtable-3level-hwdef.h b/arch/arm/include/asm/pgtable-3level-hwdef.h
index f8f1cff..4cd664a 100644
--- a/arch/arm/include/asm/pgtable-3level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-3level-hwdef.h
@@ -62,6 +62,7 @@
#define PMD_SECT_WT (_AT(pmdval_t, 2) << 2) /* normal inner write-through */
#define PMD_SECT_WB (_AT(pmdval_t, 3) << 2) /* normal inner write-back */
#define PMD_SECT_WBWA (_AT(pmdval_t, 7) << 2) /* normal inner write-alloc */
+#define PMD_SECT_CACHE_MASK (_AT(pmdval_t, 7) << 2)
/*
* + Level 3 descriptor (PTE)
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 62a6f65..a93c0f9 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -480,7 +480,10 @@ arm_copy_from_user(void *to, const void __user *from, unsigned long n);
static inline unsigned long __must_check
__copy_from_user(void *to, const void __user *from, unsigned long n)
{
- unsigned int __ua_flags = uaccess_save_and_enable();
+ unsigned int __ua_flags;
+
+ check_object_size(to, n, false);
+ __ua_flags = uaccess_save_and_enable();
n = arm_copy_from_user(to, from, n);
uaccess_restore(__ua_flags);
return n;
@@ -495,11 +498,15 @@ static inline unsigned long __must_check
__copy_to_user(void __user *to, const void *from, unsigned long n)
{
#ifndef CONFIG_UACCESS_WITH_MEMCPY
- unsigned int __ua_flags = uaccess_save_and_enable();
+ unsigned int __ua_flags;
+
+ check_object_size(from, n, true);
+ __ua_flags = uaccess_save_and_enable();
n = arm_copy_to_user(to, from, n);
uaccess_restore(__ua_flags);
return n;
#else
+ check_object_size(from, n, true);
return arm_copy_to_user(to, from, n);
#endif
}
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 40ecd5f..f676feb 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -88,6 +88,8 @@ void __init arm_dt_init_cpu_maps(void)
return;
for_each_child_of_node(cpus, cpu) {
+ const __be32 *cell;
+ int prop_bytes;
u32 hwid;
if (of_node_cmp(cpu->type, "cpu"))
@@ -99,7 +101,8 @@ void __init arm_dt_init_cpu_maps(void)
* properties is considered invalid to build the
* cpu_logical_map.
*/
- if (of_property_read_u32(cpu, "reg", &hwid)) {
+ cell = of_get_property(cpu, "reg", &prop_bytes);
+ if (!cell || prop_bytes < sizeof(*cell)) {
pr_debug(" * %s missing reg property\n",
cpu->full_name);
of_node_put(cpu);
@@ -107,10 +110,15 @@ void __init arm_dt_init_cpu_maps(void)
}
/*
- * 8 MSBs must be set to 0 in the DT since the reg property
+ * Bits n:24 must be set to 0 in the DT since the reg property
* defines the MPIDR[23:0].
*/
- if (hwid & ~MPIDR_HWID_BITMASK) {
+ do {
+ hwid = be32_to_cpu(*cell++);
+ prop_bytes -= sizeof(*cell);
+ } while (!hwid && prop_bytes > 0);
+
+ if (prop_bytes || (hwid & ~MPIDR_HWID_BITMASK)) {
of_node_put(cpu);
return;
}
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index bc5f507..9f157e7 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -295,6 +295,7 @@ __und_svc_fault:
bl __und_fault
__und_svc_finish:
+ get_thread_info tsk
ldr r5, [sp, #S_PSR] @ Get SVC cpsr
svc_exit r5 @ return from exception
UNWIND(.fnend )
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 0b1e4a9..15d073a 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -142,6 +142,19 @@ ARM_BE8(orr r7, r7, #(1 << 25)) @ HSCTLR.EE
and r7, #0x1f @ Preserve HPMN
mcr p15, 4, r7, c1, c1, 1 @ HDCR
+ @ Make sure NS-SVC is initialised appropriately
+ mrc p15, 0, r7, c1, c0, 0 @ SCTLR
+ orr r7, #(1 << 5) @ CP15 barriers enabled
+ bic r7, #(3 << 7) @ Clear SED/ITD for v8 (RES0 for v7)
+ bic r7, #(3 << 19) @ WXN and UWXN disabled
+ mcr p15, 0, r7, c1, c0, 0 @ SCTLR
+
+ mrc p15, 0, r7, c0, c0, 0 @ MIDR
+ mcr p15, 4, r7, c0, c0, 0 @ VPIDR
+
+ mrc p15, 0, r7, c0, c0, 5 @ MPIDR
+ mcr p15, 4, r7, c0, c0, 5 @ VMPIDR
+
#if !defined(ZIMAGE) && defined(CONFIG_ARM_ARCH_TIMER)
@ make CNTP_* and CNTPCT accessible from PL1
mrc p15, 0, r7, c0, c1, 1 @ ID_PFR1
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 087acb5..5f221ac 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -279,8 +279,12 @@ asmlinkage long sys_oabi_epoll_wait(int epfd,
mm_segment_t fs;
long ret, err, i;
- if (maxevents <= 0 || maxevents > (INT_MAX/sizeof(struct epoll_event)))
+ if (maxevents <= 0 ||
+ maxevents > (INT_MAX/sizeof(*kbuf)) ||
+ maxevents > (INT_MAX/sizeof(*events)))
return -EINVAL;
+ if (!access_ok(VERIFY_WRITE, events, sizeof(*events) * maxevents))
+ return -EFAULT;
kbuf = kmalloc(sizeof(*kbuf) * maxevents, GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
@@ -317,6 +321,8 @@ asmlinkage long sys_oabi_semtimedop(int semid,
if (nsops < 1 || nsops > SEMOPM)
return -EINVAL;
+ if (!access_ok(VERIFY_READ, tsops, sizeof(*tsops) * nsops))
+ return -EFAULT;
sops = kmalloc(sizeof(*sops) * nsops, GFP_KERNEL);
if (!sops)
return -ENOMEM;
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index d94bb90..c94b90d 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -158,8 +158,6 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
{
int i;
- kvm_free_stage2_pgd(kvm);
-
for (i = 0; i < KVM_MAX_VCPUS; ++i) {
if (kvm->vcpus[i]) {
kvm_arch_vcpu_free(kvm->vcpus[i]);
@@ -1009,9 +1007,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
switch (ioctl) {
case KVM_CREATE_IRQCHIP: {
+ int ret;
if (!vgic_present)
return -ENXIO;
- return kvm_vgic_create(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
+ mutex_lock(&kvm->lock);
+ ret = kvm_vgic_create(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
+ mutex_unlock(&kvm->lock);
+ return ret;
}
case KVM_ARM_SET_DEVICE_ADDR: {
struct kvm_arm_device_addr dev_addr;
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index bda27b6..e9a5c0e 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1309,7 +1309,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
smp_rmb();
pfn = gfn_to_pfn_prot(kvm, gfn, write_fault, &writable);
- if (is_error_pfn(pfn))
+ if (is_error_noslot_pfn(pfn))
return -EFAULT;
if (kvm_is_device_pfn(pfn)) {
@@ -1714,7 +1714,8 @@ int kvm_mmu_init(void)
kern_hyp_va(PAGE_OFFSET), kern_hyp_va(~0UL));
if (hyp_idmap_start >= kern_hyp_va(PAGE_OFFSET) &&
- hyp_idmap_start < kern_hyp_va(~0UL)) {
+ hyp_idmap_start < kern_hyp_va(~0UL) &&
+ hyp_idmap_start != (unsigned long)__hyp_idmap_text_start) {
/*
* The idmap page is intersecting with the VA space,
* it is not safe to continue further.
@@ -1893,6 +1894,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots)
void kvm_arch_flush_shadow_all(struct kvm *kvm)
{
+ kvm_free_stage2_pgd(kvm);
}
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig
index dc7c6ed..61284b9 100644
--- a/arch/arm/mach-clps711x/Kconfig
+++ b/arch/arm/mach-clps711x/Kconfig
@@ -1,13 +1,13 @@
menuconfig ARCH_CLPS711X
bool "Cirrus Logic EP721x/EP731x-based"
depends on ARCH_MULTI_V4T
- select ARCH_REQUIRE_GPIOLIB
select AUTO_ZRELADDR
select CLKSRC_OF
select CLPS711X_TIMER
select COMMON_CLK
select CPU_ARM720T
select GENERIC_CLOCKEVENTS
+ select GPIOLIB
select MFD_SYSCON
select OF_IRQ
select USE_OF
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index 3750575..06332f6 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -255,6 +255,12 @@ static int __init exynos_pmu_irq_init(struct device_node *node,
return -ENOMEM;
}
+ /*
+ * Clear the OF_POPULATED flag set in of_irq_init so that
+ * later the Exynos PMU platform device won't be skipped.
+ */
+ of_node_clear_flag(node, OF_POPULATED);
+
return 0;
}
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index fd87205..0df062d 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -271,6 +271,12 @@ static int __init imx_gpc_init(struct device_node *node,
for (i = 0; i < IMR_NUM; i++)
writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);
+ /*
+ * Clear the OF_POPULATED flag set in of_irq_init so that
+ * later the GPC power domain driver will not be skipped.
+ */
+ of_node_clear_flag(node, OF_POPULATED);
+
return 0;
}
IRQCHIP_DECLARE(imx_gpc, "fsl,imx6q-gpc", imx_gpc_init);
diff --git a/arch/arm/mach-imx/mach-imx6ul.c b/arch/arm/mach-imx/mach-imx6ul.c
index 5d9bfab..6bb7d9c 100644
--- a/arch/arm/mach-imx/mach-imx6ul.c
+++ b/arch/arm/mach-imx/mach-imx6ul.c
@@ -64,6 +64,7 @@ static void __init imx6ul_init_machine(void)
if (parent == NULL)
pr_warn("failed to initialize soc device\n");
+ of_platform_default_populate(NULL, NULL, parent);
imx6ul_enet_init();
imx_anatop_init();
imx6ul_pm_init();
diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c
index 58924b3..fe708e2 100644
--- a/arch/arm/mach-imx/pm-imx6.c
+++ b/arch/arm/mach-imx/pm-imx6.c
@@ -295,7 +295,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode)
val &= ~BM_CLPCR_SBYOS;
if (cpu_is_imx6sl())
val |= BM_CLPCR_BYPASS_PMIC_READY;
- if (cpu_is_imx6sl() || cpu_is_imx6sx())
+ if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul())
val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS;
else
val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS;
@@ -310,7 +310,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode)
val |= 0x3 << BP_CLPCR_STBY_COUNT;
val |= BM_CLPCR_VSTBY;
val |= BM_CLPCR_SBYOS;
- if (cpu_is_imx6sl())
+ if (cpu_is_imx6sl() || cpu_is_imx6sx())
val |= BM_CLPCR_BYPASS_PMIC_READY;
if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul())
val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS;
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index e53c6cf..6c6497e 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -1,5 +1,4 @@
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
- -I$(srctree)/arch/arm/plat-orion/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
AFLAGS_coherency_ll.o := -Wa,-march=armv7-a
CFLAGS_pmsu.o := -march=armv7-a
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index c073fb5..6f2d0ae 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -220,9 +220,6 @@ static int am33xx_cm_wait_module_ready(u8 part, s16 inst, u16 clkctrl_offs,
{
int i = 0;
- if (!clkctrl_offs)
- return 0;
-
omap_test_timeout(_is_module_ready(inst, clkctrl_offs),
MAX_MODULE_READY_TIME, i);
@@ -246,9 +243,6 @@ static int am33xx_cm_wait_module_idle(u8 part, s16 inst, u16 clkctrl_offs,
{
int i = 0;
- if (!clkctrl_offs)
- return 0;
-
omap_test_timeout((_clkctrl_idlest(inst, clkctrl_offs) ==
CLKCTRL_IDLEST_DISABLED),
MAX_MODULE_READY_TIME, i);
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 2c0e07e..2ab27ad 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -278,9 +278,6 @@ static int omap4_cminst_wait_module_ready(u8 part, s16 inst, u16 clkctrl_offs,
{
int i = 0;
- if (!clkctrl_offs)
- return 0;
-
omap_test_timeout(_is_module_ready(part, inst, clkctrl_offs),
MAX_MODULE_READY_TIME, i);
@@ -304,9 +301,6 @@ static int omap4_cminst_wait_module_idle(u8 part, s16 inst, u16 clkctrl_offs,
{
int i = 0;
- if (!clkctrl_offs)
- return 0;
-
omap_test_timeout((_clkctrl_idlest(part, inst, clkctrl_offs) ==
CLKCTRL_IDLEST_DISABLED),
MAX_MODULE_DISABLE_TIME, i);
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 5b70938..1052b29 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1053,6 +1053,10 @@ static int _omap4_wait_target_disable(struct omap_hwmod *oh)
if (oh->flags & HWMOD_NO_IDLEST)
return 0;
+ if (!oh->prcm.omap4.clkctrl_offs &&
+ !(oh->prcm.omap4.flags & HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET))
+ return 0;
+
return omap_cm_wait_module_idle(oh->clkdm->prcm_partition,
oh->clkdm->cm_inst,
oh->prcm.omap4.clkctrl_offs, 0);
@@ -2971,6 +2975,10 @@ static int _omap4_wait_target_ready(struct omap_hwmod *oh)
if (!_find_mpu_rt_port(oh))
return 0;
+ if (!oh->prcm.omap4.clkctrl_offs &&
+ !(oh->prcm.omap4.flags & HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET))
+ return 0;
+
/* XXX check module SIDLEMODE, hardreset status */
return omap_cm_wait_module_ready(oh->clkdm->prcm_partition,
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index 4041bad..7890401 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -443,8 +443,12 @@ struct omap_hwmod_omap2_prcm {
* HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT: Some IP blocks don't have a PRCM
* module-level context loss register associated with them; this
* flag bit should be set in those cases
+ * HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET: Some IP blocks have a valid CLKCTRL
+ * offset of zero; this flag bit should be set in those cases to
+ * distinguish from hwmods that have no clkctrl offset.
*/
#define HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT (1 << 0)
+#define HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET (1 << 1)
/**
* struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
index 55c5878..e2d84aa 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
@@ -29,6 +29,7 @@
#define CLKCTRL(oh, clkctrl) ((oh).prcm.omap4.clkctrl_offs = (clkctrl))
#define RSTCTRL(oh, rstctrl) ((oh).prcm.omap4.rstctrl_offs = (rstctrl))
#define RSTST(oh, rstst) ((oh).prcm.omap4.rstst_offs = (rstst))
+#define PRCM_FLAGS(oh, flag) ((oh).prcm.omap4.flags = (flag))
/*
* 'l3' class
@@ -1296,6 +1297,7 @@ static void omap_hwmod_am33xx_clkctrl(void)
CLKCTRL(am33xx_i2c1_hwmod, AM33XX_CM_WKUP_I2C0_CLKCTRL_OFFSET);
CLKCTRL(am33xx_wd_timer1_hwmod, AM33XX_CM_WKUP_WDT1_CLKCTRL_OFFSET);
CLKCTRL(am33xx_rtc_hwmod, AM33XX_CM_RTC_RTC_CLKCTRL_OFFSET);
+ PRCM_FLAGS(am33xx_rtc_hwmod, HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET);
CLKCTRL(am33xx_mmc2_hwmod, AM33XX_CM_PER_MMC2_CLKCTRL_OFFSET);
CLKCTRL(am33xx_gpmc_hwmod, AM33XX_CM_PER_GPMC_CLKCTRL_OFFSET);
CLKCTRL(am33xx_l4_ls_hwmod, AM33XX_CM_PER_L4LS_CLKCTRL_OFFSET);
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index d72ee61..1cc4a6f 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -722,8 +722,20 @@ static struct omap_hwmod omap3xxx_dss_dispc_hwmod = {
* display serial interface controller
*/
+static struct omap_hwmod_class_sysconfig omap3xxx_dsi_sysc = {
+ .rev_offs = 0x0000,
+ .sysc_offs = 0x0010,
+ .syss_offs = 0x0014,
+ .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
+ SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
+ SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+ .sysc_fields = &omap_hwmod_sysc_type1,
+};
+
static struct omap_hwmod_class omap3xxx_dsi_hwmod_class = {
.name = "dsi",
+ .sysc = &omap3xxx_dsi_sysc,
};
static struct omap_hwmod_irq_info omap3xxx_dsi1_irqs[] = {
diff --git a/arch/arm/mach-oxnas/Kconfig b/arch/arm/mach-oxnas/Kconfig
index 567496b..29100be 100644
--- a/arch/arm/mach-oxnas/Kconfig
+++ b/arch/arm/mach-oxnas/Kconfig
@@ -11,11 +11,13 @@ if ARCH_OXNAS
config MACH_OX810SE
bool "Support OX810SE Based Products"
+ select ARCH_HAS_RESET_CONTROLLER
select COMMON_CLK_OXNAS
select CPU_ARM926T
select MFD_SYSCON
select OXNAS_RPS_TIMER
select PINCTRL_OXNAS
+ select RESET_CONTROLLER
select RESET_OXNAS
select VERSATILE_FPGA_IRQ
help
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index dc109dc3..10bfdb1 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -13,6 +13,7 @@
*/
#include <linux/kernel.h>
+#include <linux/module.h> /* symbol_get ; symbol_put */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/major.h>
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index c410d84..66070ac 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -83,7 +83,8 @@ static struct resource smc91x_resources[] = {
};
static struct smc91x_platdata smc91x_platdata = {
- .flags = SMC91X_USE_32BIT | SMC91X_USE_DMA | SMC91X_NOWAIT,
+ .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
+ SMC91X_USE_DMA | SMC91X_NOWAIT,
};
static struct platform_device smc91x_device = {
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 7245f33..d6159f8 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -137,6 +137,18 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = {
// no D+ pullup; lubbock can't connect/disconnect in software
};
+static void lubbock_init_pcmcia(void)
+{
+ struct clk *clk;
+
+ /* Add an alias for the SA1111 PCMCIA clock */
+ clk = clk_get_sys("pxa2xx-pcmcia", NULL);
+ if (!IS_ERR(clk)) {
+ clkdev_create(clk, NULL, "1800");
+ clk_put(clk);
+ }
+}
+
static struct resource sa1111_resources[] = {
[0] = {
.start = 0x10000000,
@@ -467,6 +479,8 @@ static void __init lubbock_init(void)
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
+ lubbock_init_pcmcia();
+
clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
pxa_set_udc_info(&udc_info);
pxa_set_fb_info(NULL, &sharp_lm8v31);
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 1080580..2c150bf 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -13,6 +13,7 @@
*/
#include <linux/kernel.h>
+#include <linux/module.h> /* symbol_get ; symbol_put */
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
diff --git a/arch/arm/mach-pxa/xcep.c b/arch/arm/mach-pxa/xcep.c
index 3f06cd9..056369e 100644
--- a/arch/arm/mach-pxa/xcep.c
+++ b/arch/arm/mach-pxa/xcep.c
@@ -120,7 +120,8 @@ static struct resource smc91x_resources[] = {
};
static struct smc91x_platdata xcep_smc91x_info = {
- .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
+ .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
+ SMC91X_NOWAIT | SMC91X_USE_DMA,
};
static struct platform_device smc91x_device = {
diff --git a/arch/arm/mach-realview/Makefile b/arch/arm/mach-realview/Makefile
index dae8d86..4048821 100644
--- a/arch/arm/mach-realview/Makefile
+++ b/arch/arm/mach-realview/Makefile
@@ -1,8 +1,7 @@
#
# Makefile for the linux kernel.
#
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
- -I$(srctree)/arch/arm/plat-versatile/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-versatile/include
obj-y := core.o
obj-$(CONFIG_REALVIEW_DT) += realview-dt.o
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index baf1745..a0ead0a 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -93,7 +93,8 @@ static struct smsc911x_platform_config smsc911x_config = {
};
static struct smc91x_platdata smc91x_platdata = {
- .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
+ .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
+ SMC91X_NOWAIT,
};
static struct platform_device realview_eth_device = {
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 72b9e96..fa7fb71 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -5,7 +5,7 @@
#
# Licensed under GPLv2
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree)/arch/arm/plat-samsung/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/arch/arm/plat-samsung/include
# Core
diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c
index cbf53bb..0db46895 100644
--- a/arch/arm/mach-sa1100/clock.c
+++ b/arch/arm/mach-sa1100/clock.c
@@ -125,6 +125,8 @@ static unsigned long clk_36864_get_rate(struct clk *clk)
}
static struct clkops clk_36864_ops = {
+ .enable = clk_cpu_enable,
+ .disable = clk_cpu_disable,
.get_rate = clk_36864_get_rate,
};
@@ -140,9 +142,8 @@ static struct clk_lookup sa11xx_clkregs[] = {
CLKDEV_INIT(NULL, "OSTIMER0", &clk_36864),
};
-static int __init sa11xx_clk_init(void)
+int __init sa11xx_clk_init(void)
{
clkdev_add_table(sa11xx_clkregs, ARRAY_SIZE(sa11xx_clkregs));
return 0;
}
-core_initcall(sa11xx_clk_init);
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 345e63f..3e09bed 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -34,6 +34,7 @@
#include <mach/hardware.h>
#include <mach/irqs.h>
+#include <mach/reset.h>
#include "generic.h"
#include <clocksource/pxa.h>
@@ -95,6 +96,8 @@ static void sa1100_power_off(void)
void sa11x0_restart(enum reboot_mode mode, const char *cmd)
{
+ clear_reset_status(RESET_STATUS_ALL);
+
if (mode == REBOOT_SOFT) {
/* Jump into ROM at address 0 */
soft_restart(0);
@@ -388,6 +391,7 @@ void __init sa1100_init_irq(void)
sa11x0_init_irq_nodt(IRQ_GPIO0_SC, irq_resource.start);
sa1100_init_gpio();
+ sa11xx_clk_init();
}
/*
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index 0d92e11..68199b603 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h
@@ -44,3 +44,5 @@ int sa11x0_pm_init(void);
#else
static inline int sa11x0_pm_init(void) { return 0; }
#endif
+
+int sa11xx_clk_init(void);
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c
index 1525d7b..88149f8 100644
--- a/arch/arm/mach-sa1100/pleb.c
+++ b/arch/arm/mach-sa1100/pleb.c
@@ -45,7 +45,7 @@ static struct resource smc91x_resources[] = {
};
static struct smc91x_platdata smc91x_platdata = {
- .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+ .flags = SMC91X_USE_16BIT | SMC91X_USE_8BIT | SMC91X_NOWAIT,
};
static struct platform_device smc91x_device = {
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index f3dba6f..02e21bc 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -40,5 +40,8 @@ bool shmobile_smp_cpu_can_disable(unsigned int cpu)
bool __init shmobile_smp_init_fallback_ops(void)
{
/* fallback on PSCI/smp_ops if no other DT based method is detected */
+ if (!IS_ENABLED(CONFIG_SMP))
+ return false;
+
return platform_can_secondary_boot() ? true : false;
}
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index 62437b5..73e3adb 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -41,39 +41,26 @@
#define REGULATOR_IRQ_MASK BIT(2) /* IRQ2, active low */
-static void __iomem *irqc;
-
-static const u8 da9063_mask_regs[] = {
- DA9063_REG_IRQ_MASK_A,
- DA9063_REG_IRQ_MASK_B,
- DA9063_REG_IRQ_MASK_C,
- DA9063_REG_IRQ_MASK_D,
-};
-
-/* DA9210 System Control and Event Registers */
+/* start of DA9210 System Control and Event Registers */
#define DA9210_REG_MASK_A 0x54
-#define DA9210_REG_MASK_B 0x55
-
-static const u8 da9210_mask_regs[] = {
- DA9210_REG_MASK_A,
- DA9210_REG_MASK_B,
-};
-
-static void da9xxx_mask_irqs(struct i2c_client *client, const u8 regs[],
- unsigned int nregs)
-{
- unsigned int i;
- dev_info(&client->dev, "Masking %s interrupt sources\n", client->name);
+static void __iomem *irqc;
- for (i = 0; i < nregs; i++) {
- int error = i2c_smbus_write_byte_data(client, regs[i], ~0);
- if (error) {
- dev_err(&client->dev, "i2c error %d\n", error);
- return;
- }
- }
-}
+/* first byte sets the memory pointer, following are consecutive reg values */
+static u8 da9063_irq_clr[] = { DA9063_REG_IRQ_MASK_A, 0xff, 0xff, 0xff, 0xff };
+static u8 da9210_irq_clr[] = { DA9210_REG_MASK_A, 0xff, 0xff };
+
+static struct i2c_msg da9xxx_msgs[2] = {
+ {
+ .addr = 0x58,
+ .len = ARRAY_SIZE(da9063_irq_clr),
+ .buf = da9063_irq_clr,
+ }, {
+ .addr = 0x68,
+ .len = ARRAY_SIZE(da9210_irq_clr),
+ .buf = da9210_irq_clr,
+ },
+};
static int regulator_quirk_notify(struct notifier_block *nb,
unsigned long action, void *data)
@@ -93,12 +80,15 @@ static int regulator_quirk_notify(struct notifier_block *nb,
client = to_i2c_client(dev);
dev_dbg(dev, "Detected %s\n", client->name);
- if ((client->addr == 0x58 && !strcmp(client->name, "da9063")))
- da9xxx_mask_irqs(client, da9063_mask_regs,
- ARRAY_SIZE(da9063_mask_regs));
- else if (client->addr == 0x68 && !strcmp(client->name, "da9210"))
- da9xxx_mask_irqs(client, da9210_mask_regs,
- ARRAY_SIZE(da9210_mask_regs));
+ if ((client->addr == 0x58 && !strcmp(client->name, "da9063")) ||
+ (client->addr == 0x68 && !strcmp(client->name, "da9210"))) {
+ int ret;
+
+ dev_info(&client->dev, "clearing da9063/da9210 interrupts\n");
+ ret = i2c_transfer(client->adapter, da9xxx_msgs, ARRAY_SIZE(da9xxx_msgs));
+ if (ret != ARRAY_SIZE(da9xxx_msgs))
+ dev_err(&client->dev, "i2c error %d\n", ret);
+ }
mon = ioread32(irqc + IRQC_MONITOR);
if (mon & REGULATOR_IRQ_MASK)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 62f4d01..30fe03f 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -137,7 +137,7 @@ void __init init_default_cache_policy(unsigned long pmd)
initial_pmd_value = pmd;
- pmd &= PMD_SECT_TEX(1) | PMD_SECT_BUFFERABLE | PMD_SECT_CACHEABLE;
+ pmd &= PMD_SECT_CACHE_MASK;
for (i = 0; i < ARRAY_SIZE(cache_policies); i++)
if (cache_policies[i].pmd == pmd) {
@@ -728,7 +728,8 @@ static void *__init late_alloc(unsigned long sz)
{
void *ptr = (void *)__get_free_pages(PGALLOC_GFP, get_order(sz));
- BUG_ON(!ptr);
+ if (!ptr || !pgtable_page_ctor(virt_to_page(ptr)))
+ BUG();
return ptr;
}
@@ -1155,10 +1156,19 @@ void __init sanity_check_meminfo(void)
{
phys_addr_t memblock_limit = 0;
int highmem = 0;
- phys_addr_t vmalloc_limit = __pa(vmalloc_min - 1) + 1;
+ u64 vmalloc_limit;
struct memblock_region *reg;
bool should_use_highmem = false;
+ /*
+ * Let's use our own (unoptimized) equivalent of __pa() that is
+ * not affected by wrap-arounds when sizeof(phys_addr_t) == 4.
+ * The result is used as the upper bound on physical memory address
+ * and may itself be outside the valid range for which phys_addr_t
+ * and therefore __pa() is defined.
+ */
+ vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET;
+
for_each_memblock(memory, reg) {
phys_addr_t block_start = reg->base;
phys_addr_t block_end = reg->base + reg->size;
@@ -1183,10 +1193,11 @@ void __init sanity_check_meminfo(void)
if (reg->size > size_limit) {
phys_addr_t overlap_size = reg->size - size_limit;
- pr_notice("Truncating RAM at %pa-%pa to -%pa",
- &block_start, &block_end, &vmalloc_limit);
- memblock_remove(vmalloc_limit, overlap_size);
+ pr_notice("Truncating RAM at %pa-%pa",
+ &block_start, &block_end);
block_end = vmalloc_limit;
+ pr_cont(" to -%pa", &block_end);
+ memblock_remove(vmalloc_limit, overlap_size);
should_use_highmem = true;
}
}
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index a7123b4..d00d52c 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -16,6 +16,7 @@
#include <asm/hwcap.h>
#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
+#include <asm/memory.h>
#include "proc-macros.S"
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index b0b82f5..f193414 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -50,7 +50,7 @@ DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu);
static struct vcpu_info __percpu *xen_vcpu_info;
/* Linux <-> Xen vCPU id mapping */
-DEFINE_PER_CPU(int, xen_vcpu_id) = -1;
+DEFINE_PER_CPU(uint32_t, xen_vcpu_id);
EXPORT_PER_CPU_SYMBOL(xen_vcpu_id);
/* These are unused until we support booting "pre-ballooned" */
@@ -170,9 +170,6 @@ static int xen_starting_cpu(unsigned int cpu)
pr_info("Xen: initializing cpu%d\n", cpu);
vcpup = per_cpu_ptr(xen_vcpu_info, cpu);
- /* Direct vCPU id mapping for ARM guests. */
- per_cpu(xen_vcpu_id, cpu) = cpu;
-
info.mfn = virt_to_gfn(vcpup);
info.offset = xen_offset_in_page(vcpup);
@@ -330,6 +327,7 @@ static int __init xen_guest_init(void)
{
struct xen_add_to_physmap xatp;
struct shared_info *shared_info_page = NULL;
+ int cpu;
if (!xen_domain())
return 0;
@@ -380,7 +378,8 @@ static int __init xen_guest_init(void)
return -ENOMEM;
/* Direct vCPU id mapping for ARM guests. */
- per_cpu(xen_vcpu_id, 0) = 0;
+ for_each_possible_cpu(cpu)
+ per_cpu(xen_vcpu_id, cpu) = cpu;
xen_auto_xlat_grant_frames.count = gnttab_max_grant_frames();
if (xen_xlate_map_ballooned_pages(&xen_auto_xlat_grant_frames.pfn,
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 69c8787..bc3f00f 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -54,6 +54,7 @@ config ARM64
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_BITREVERSE
+ select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_HUGE_VMAP
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index bb2616b..be5d824 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -8,7 +8,7 @@ config ARCH_SUNXI
config ARCH_ALPINE
bool "Annapurna Labs Alpine platform"
- select ALPINE_MSI
+ select ALPINE_MSI if PCI
help
This enables support for the Annapurna Labs Alpine
Soc family.
@@ -66,7 +66,7 @@ config ARCH_LG1K
config ARCH_HISI
bool "Hisilicon SoC Family"
select ARM_TIMER_SP804
- select HISILICON_IRQ_MBIGEN
+ select HISILICON_IRQ_MBIGEN if PCI
help
This enables support for Hisilicon ARMv8 SoC family
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 445aa67..c2b9bcb 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -255,10 +255,10 @@
/* Local timer */
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 13 0xf01>,
- <1 14 0xf01>,
- <1 11 0xf01>,
- <1 10 0xf01>;
+ interrupts = <1 13 0xf08>,
+ <1 14 0xf08>,
+ <1 11 0xf08>,
+ <1 10 0xf08>;
};
timer0: timer0@ffc03000 {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index e502c24..bf6c8d0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -102,13 +102,13 @@
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13
- (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14
- (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11
- (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10
- (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>;
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
};
xtal: xtal-clk {
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f1c2c71..c29dab9 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -110,10 +110,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 0 0xff01>, /* Secure Phys IRQ */
- <1 13 0xff01>, /* Non-secure Phys IRQ */
- <1 14 0xff01>, /* Virt IRQ */
- <1 15 0xff01>; /* Hyp IRQ */
+ interrupts = <1 0 0xff08>, /* Secure Phys IRQ */
+ <1 13 0xff08>, /* Non-secure Phys IRQ */
+ <1 14 0xff08>, /* Virt IRQ */
+ <1 15 0xff08>; /* Hyp IRQ */
clock-frequency = <50000000>;
};
diff --git a/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi b/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi
new file mode 120000
index 0000000..3937b77
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/bcm2835-rpi.dtsi \ No newline at end of file
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
index 6f47dd2..7841b72 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
@@ -1,7 +1,7 @@
/dts-v1/;
#include "bcm2837.dtsi"
-#include "../../../../arm/boot/dts/bcm2835-rpi.dtsi"
-#include "../../../../arm/boot/dts/bcm283x-rpi-smsc9514.dtsi"
+#include "bcm2835-rpi.dtsi"
+#include "bcm283x-rpi-smsc9514.dtsi"
/ {
compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837.dtsi b/arch/arm64/boot/dts/broadcom/bcm2837.dtsi
index f2a31d0..8216bbb 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2837.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2837.dtsi
@@ -1,4 +1,4 @@
-#include "../../../../arm/boot/dts/bcm283x.dtsi"
+#include "bcm283x.dtsi"
/ {
compatible = "brcm,bcm2836";
diff --git a/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi b/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi
new file mode 120000
index 0000000..dca7c05
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/bcm283x-rpi-smsc9514.dtsi \ No newline at end of file
diff --git a/arch/arm64/boot/dts/broadcom/bcm283x.dtsi b/arch/arm64/boot/dts/broadcom/bcm283x.dtsi
new file mode 120000
index 0000000..5f54e4c
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm283x.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/bcm283x.dtsi \ No newline at end of file
diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index f53b095..d4a12fa 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -88,13 +88,13 @@
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(0xff) |
- IRQ_TYPE_EDGE_RISING)>,
+ IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14 (GIC_CPU_MASK_RAW(0xff) |
- IRQ_TYPE_EDGE_RISING)>,
+ IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11 (GIC_CPU_MASK_RAW(0xff) |
- IRQ_TYPE_EDGE_RISING)>,
+ IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10 (GIC_CPU_MASK_RAW(0xff) |
- IRQ_TYPE_EDGE_RISING)>;
+ IRQ_TYPE_LEVEL_LOW)>;
};
pmu {
diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
index 2eb9b22..04dc8a8 100644
--- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
+++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
@@ -354,10 +354,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 13 0xff01>,
- <1 14 0xff01>,
- <1 11 0xff01>,
- <1 10 0xff01>;
+ interrupts = <1 13 4>,
+ <1 14 4>,
+ <1 11 4>,
+ <1 10 4>;
};
pmu {
diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 299f3ce..c528dd5 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -12,6 +12,7 @@
/dts-v1/;
#include "exynos7.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/samsung,s2mps11.h>
/ {
model = "Samsung Exynos7 Espresso board based on EXYNOS7";
@@ -43,6 +44,8 @@
&rtc {
status = "okay";
+ clocks = <&clock_ccore PCLK_RTC>, <&s2mps15_osc S2MPS11_CLK_AP>;
+ clock-names = "rtc", "rtc_src";
};
&watchdog {
diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
index ca663df..1628315 100644
--- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -473,10 +473,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 13 0xff01>,
- <1 14 0xff01>,
- <1 11 0xff01>,
- <1 10 0xff01>;
+ interrupts = <1 13 0xff08>,
+ <1 14 0xff08>,
+ <1 11 0xff08>,
+ <1 10 0xff08>;
};
pmu_system_controller: system-controller@105c0000 {
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index e669fbd..a67e210 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -119,10 +119,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 13 0x1>, /* Physical Secure PPI */
- <1 14 0x1>, /* Physical Non-Secure PPI */
- <1 11 0x1>, /* Virtual PPI */
- <1 10 0x1>; /* Hypervisor PPI */
+ interrupts = <1 13 0xf08>, /* Physical Secure PPI */
+ <1 14 0xf08>, /* Physical Non-Secure PPI */
+ <1 11 0xf08>, /* Virtual PPI */
+ <1 10 0xf08>; /* Hypervisor PPI */
};
pmu {
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index 21023a3..e3b6034 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -191,10 +191,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 13 0x8>, /* Physical Secure PPI, active-low */
- <1 14 0x8>, /* Physical Non-Secure PPI, active-low */
- <1 11 0x8>, /* Virtual PPI, active-low */
- <1 10 0x8>; /* Hypervisor PPI, active-low */
+ interrupts = <1 13 4>, /* Physical Secure PPI, active-low */
+ <1 14 4>, /* Physical Non-Secure PPI, active-low */
+ <1 11 4>, /* Virtual PPI, active-low */
+ <1 10 4>; /* Hypervisor PPI, active-low */
};
pmu {
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
index eab1a42..c2a6745 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
@@ -122,10 +122,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>,
- <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>,
- <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>,
- <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
};
odmi: odmi@300000 {
diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index d02a9003..4f44d11 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -270,6 +270,8 @@
#io-channel-cells = <1>;
clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
clock-names = "saradc", "apb_pclk";
+ resets = <&cru SRST_SARADC>;
+ reset-names = "saradc-apb";
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
index c223915..d73bdc8 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
@@ -129,10 +129,10 @@
timer {
compatible = "arm,armv8-timer";
- interrupts = <1 13 0xf01>,
- <1 14 0xf01>,
- <1 11 0xf01>,
- <1 10 0xf01>;
+ interrupts = <1 13 4>,
+ <1 14 4>,
+ <1 11 4>,
+ <1 10 4>;
};
soc {
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index e595f22..3e2e51f 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -65,10 +65,10 @@
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
- interrupts = <1 13 0xf01>,
- <1 14 0xf01>,
- <1 11 0xf01>,
- <1 10 0xf01>;
+ interrupts = <1 13 0xf08>,
+ <1 14 0xf08>,
+ <1 11 0xf08>,
+ <1 10 0xf08>;
};
amba_apu {
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 0555b7c..eadf485 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1,4 +1,3 @@
-# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_AUDIT=y
@@ -15,10 +14,14 @@ CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
+CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_HUGETLB=y
-# CONFIG_UTS_NS is not set
-# CONFIG_IPC_NS is not set
-# CONFIG_NET_NS is not set
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_USER_NS=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_ALL=y
@@ -71,6 +74,7 @@ CONFIG_PREEMPT=y
CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_CMA=y
+CONFIG_SECCOMP=y
CONFIG_XEN=y
CONFIG_KEXEC=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
@@ -84,10 +88,37 @@ CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IPV6 is not set
+CONFIG_IPV6=m
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
+CONFIG_NETFILTER_XT_TARGET_LOG=m
+CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_NAT=m
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_MANGLE=m
+CONFIG_IP6_NF_NAT=m
+CONFIG_IP6_NF_TARGET_MASQUERADE=m
+CONFIG_BRIDGE=m
+CONFIG_BRIDGE_VLAN_FILTERING=y
+CONFIG_VLAN_8021Q=m
+CONFIG_VLAN_8021Q_GVRP=y
+CONFIG_VLAN_8021Q_MVRP=y
CONFIG_BPF_JIT=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
@@ -103,6 +134,7 @@ CONFIG_MTD=y
CONFIG_MTD_M25P80=y
CONFIG_MTD_SPI_NOR=y
CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_NBD=m
CONFIG_VIRTIO_BLK=y
CONFIG_SRAM=y
# CONFIG_SCSI_PROC_FS is not set
@@ -120,7 +152,10 @@ CONFIG_SATA_SIL24=y
CONFIG_PATA_PLATFORM=y
CONFIG_PATA_OF_PLATFORM=y
CONFIG_NETDEVICES=y
+CONFIG_MACVLAN=m
+CONFIG_MACVTAP=m
CONFIG_TUN=y
+CONFIG_VETH=m
CONFIG_VIRTIO_NET=y
CONFIG_AMD_XGBE=y
CONFIG_NET_XGENE=y
@@ -350,12 +385,16 @@ CONFIG_EXYNOS_ADC=y
CONFIG_PWM_SAMSUNG=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_BTRFS_FS=m
+CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_FANOTIFY=y
CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
CONFIG_QUOTA=y
CONFIG_AUTOFS4_FS=y
-CONFIG_FUSE_FS=y
-CONFIG_CUSE=y
+CONFIG_FUSE_FS=m
+CONFIG_CUSE=m
+CONFIG_OVERLAY_FS=m
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
CONFIG_HUGETLBFS=y
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index 5c88804..6b2aa0f 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -216,7 +216,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
err = blkcipher_walk_done(desc, &walk,
walk.nbytes % AES_BLOCK_SIZE);
}
- if (nbytes) {
+ if (walk.nbytes % AES_BLOCK_SIZE) {
u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;
u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE;
u8 __aligned(8) tail[AES_BLOCK_SIZE];
diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h
index 4b6b3f7..b71420a 100644
--- a/arch/arm64/include/asm/debug-monitors.h
+++ b/arch/arm64/include/asm/debug-monitors.h
@@ -61,8 +61,6 @@
#define AARCH64_BREAK_KGDB_DYN_DBG \
(AARCH64_BREAK_MON | (KGDB_DYN_DBG_BRK_IMM << 5))
-#define KGDB_DYN_BRK_INS_BYTE(x) \
- ((AARCH64_BREAK_KGDB_DYN_DBG >> (8 * (x))) & 0xff)
#define CACHE_FLUSH_IS_SAFE 1
diff --git a/arch/arm64/include/asm/kprobes.h b/arch/arm64/include/asm/kprobes.h
index 61b4915..1737aec 100644
--- a/arch/arm64/include/asm/kprobes.h
+++ b/arch/arm64/include/asm/kprobes.h
@@ -22,7 +22,6 @@
#define __ARCH_WANT_KPROBES_INSN_SLOT
#define MAX_INSN_SIZE 1
-#define MAX_STACK_SIZE 128
#define flush_insn_slot(p) do { } while (0)
#define kretprobe_blacklist_size 0
@@ -47,7 +46,6 @@ struct kprobe_ctlblk {
struct prev_kprobe prev_kprobe;
struct kprobe_step_ctx ss_ctx;
struct pt_regs jprobe_saved_regs;
- char jprobes_stack[MAX_STACK_SIZE];
};
void arch_remove_kprobe(struct kprobe *);
diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
index 0a456be..2fee2f5 100644
--- a/arch/arm64/include/asm/percpu.h
+++ b/arch/arm64/include/asm/percpu.h
@@ -199,19 +199,19 @@ static inline unsigned long __percpu_xchg(void *ptr, unsigned long val,
#define _percpu_read(pcp) \
({ \
typeof(pcp) __retval; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
__retval = (typeof(pcp))__percpu_read(raw_cpu_ptr(&(pcp)), \
sizeof(pcp)); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
__retval; \
})
#define _percpu_write(pcp, val) \
do { \
- preempt_disable(); \
+ preempt_disable_notrace(); \
__percpu_write(raw_cpu_ptr(&(pcp)), (unsigned long)(val), \
sizeof(pcp)); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
} while(0) \
#define _pcp_protect(operation, pcp, val) \
diff --git a/arch/arm64/include/asm/spinlock.h b/arch/arm64/include/asm/spinlock.h
index e875a5a..89206b5 100644
--- a/arch/arm64/include/asm/spinlock.h
+++ b/arch/arm64/include/asm/spinlock.h
@@ -363,4 +363,14 @@ static inline int arch_read_trylock(arch_rwlock_t *rw)
#define arch_read_relax(lock) cpu_relax()
#define arch_write_relax(lock) cpu_relax()
+/*
+ * Accesses appearing in program order before a spin_lock() operation
+ * can be reordered with accesses inside the critical section, by virtue
+ * of arch_spin_lock being constructed using acquire semantics.
+ *
+ * In cases where this is problematic (e.g. try_to_wake_up), an
+ * smp_mb__before_spinlock() can restore the required ordering.
+ */
+#define smp_mb__before_spinlock() smp_mb()
+
#endif /* __ASM_SPINLOCK_H */
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 5e834d1..c47257c9 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -265,22 +265,25 @@ extern unsigned long __must_check __clear_user(void __user *addr, unsigned long
static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n)
{
kasan_check_write(to, n);
- return __arch_copy_from_user(to, from, n);
+ check_object_size(to, n, false);
+ return __arch_copy_from_user(to, from, n);
}
static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n)
{
kasan_check_read(from, n);
- return __arch_copy_to_user(to, from, n);
+ check_object_size(from, n, true);
+ return __arch_copy_to_user(to, from, n);
}
static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
{
kasan_check_write(to, n);
- if (access_ok(VERIFY_READ, from, n))
+ if (access_ok(VERIFY_READ, from, n)) {
+ check_object_size(to, n, false);
n = __arch_copy_from_user(to, from, n);
- else /* security hole - plug it */
+ } else /* security hole - plug it */
memset(to, 0, n);
return n;
}
@@ -289,8 +292,10 @@ static inline unsigned long __must_check copy_to_user(void __user *to, const voi
{
kasan_check_read(from, n);
- if (access_ok(VERIFY_WRITE, to, n))
+ if (access_ok(VERIFY_WRITE, to, n)) {
+ check_object_size(from, n, true);
n = __arch_copy_to_user(to, from, n);
+ }
return n;
}
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 96e4a2b..441420c 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -353,6 +353,8 @@ el1_sync:
lsr x24, x1, #ESR_ELx_EC_SHIFT // exception class
cmp x24, #ESR_ELx_EC_DABT_CUR // data abort in EL1
b.eq el1_da
+ cmp x24, #ESR_ELx_EC_IABT_CUR // instruction abort in EL1
+ b.eq el1_ia
cmp x24, #ESR_ELx_EC_SYS64 // configurable trap
b.eq el1_undef
cmp x24, #ESR_ELx_EC_SP_ALIGN // stack alignment exception
@@ -364,6 +366,11 @@ el1_sync:
cmp x24, #ESR_ELx_EC_BREAKPT_CUR // debug exception in EL1
b.ge el1_dbg
b el1_inv
+
+el1_ia:
+ /*
+ * Fall through to the Data abort case
+ */
el1_da:
/*
* Data abort handling
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index b77f583..3e7b050 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -757,6 +757,9 @@ ENTRY(__enable_mmu)
isb
bl __create_page_tables // recreate kernel mapping
+ tlbi vmalle1 // Remove any stale TLB entries
+ dsb nsh
+
msr sctlr_el1, x19 // re-enable the MMU
isb
ic iallu // flush instructions fetched
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index 21ab5df..65d81f9 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -35,6 +35,7 @@
#include <asm/sections.h>
#include <asm/smp.h>
#include <asm/suspend.h>
+#include <asm/sysreg.h>
#include <asm/virt.h>
/*
@@ -217,12 +218,22 @@ static int create_safe_exec_page(void *src_start, size_t length,
set_pte(pte, __pte(virt_to_phys((void *)dst) |
pgprot_val(PAGE_KERNEL_EXEC)));
- /* Load our new page tables */
- asm volatile("msr ttbr0_el1, %0;"
- "isb;"
- "tlbi vmalle1is;"
- "dsb ish;"
- "isb" : : "r"(virt_to_phys(pgd)));
+ /*
+ * Load our new page tables. A strict BBM approach requires that we
+ * ensure that TLBs are free of any entries that may overlap with the
+ * global mappings we are about to install.
+ *
+ * For a real hibernate/resume cycle TTBR0 currently points to a zero
+ * page, but TLBs may contain stale ASID-tagged entries (e.g. for EFI
+ * runtime services), while for a userspace-driven test_resume cycle it
+ * points to userspace page tables (and we must point it at a zero page
+ * ourselves). Elsewhere we only (un)install the idmap with preemption
+ * disabled, so T0SZ should be as required regardless.
+ */
+ cpu_set_reserved_ttbr0();
+ local_flush_tlb_all();
+ write_sysreg(virt_to_phys(pgd), ttbr0_el1);
+ isb();
*phys_dst_addr = virt_to_phys((void *)dst);
@@ -394,6 +405,38 @@ int swsusp_arch_resume(void)
void *, phys_addr_t, phys_addr_t);
/*
+ * Restoring the memory image will overwrite the ttbr1 page tables.
+ * Create a second copy of just the linear map, and use this when
+ * restoring.
+ */
+ tmp_pg_dir = (pgd_t *)get_safe_page(GFP_ATOMIC);
+ if (!tmp_pg_dir) {
+ pr_err("Failed to allocate memory for temporary page tables.");
+ rc = -ENOMEM;
+ goto out;
+ }
+ rc = copy_page_tables(tmp_pg_dir, PAGE_OFFSET, 0);
+ if (rc)
+ goto out;
+
+ /*
+ * Since we only copied the linear map, we need to find restore_pblist's
+ * linear map address.
+ */
+ lm_restore_pblist = LMADDR(restore_pblist);
+
+ /*
+ * We need a zero page that is zero before & after resume in order to
+ * to break before make on the ttbr1 page tables.
+ */
+ zero_page = (void *)get_safe_page(GFP_ATOMIC);
+ if (!zero_page) {
+ pr_err("Failed to allocate zero page.");
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ /*
* Locate the exit code in the bottom-but-one page, so that *NULL
* still has disastrous affects.
*/
@@ -419,27 +462,6 @@ int swsusp_arch_resume(void)
__flush_dcache_area(hibernate_exit, exit_size);
/*
- * Restoring the memory image will overwrite the ttbr1 page tables.
- * Create a second copy of just the linear map, and use this when
- * restoring.
- */
- tmp_pg_dir = (pgd_t *)get_safe_page(GFP_ATOMIC);
- if (!tmp_pg_dir) {
- pr_err("Failed to allocate memory for temporary page tables.");
- rc = -ENOMEM;
- goto out;
- }
- rc = copy_page_tables(tmp_pg_dir, PAGE_OFFSET, 0);
- if (rc)
- goto out;
-
- /*
- * Since we only copied the linear map, we need to find restore_pblist's
- * linear map address.
- */
- lm_restore_pblist = LMADDR(restore_pblist);
-
- /*
* KASLR will cause the el2 vectors to be in a different location in
* the resumed kernel. Load hibernate's temporary copy into el2.
*
@@ -453,12 +475,6 @@ int swsusp_arch_resume(void)
__hyp_set_vectors(el2_vectors);
}
- /*
- * We need a zero page that is zero before & after resume in order to
- * to break before make on the ttbr1 page tables.
- */
- zero_page = (void *)get_safe_page(GFP_ATOMIC);
-
hibernate_exit(virt_to_phys(tmp_pg_dir), resume_hdr.ttbr1_el1,
resume_hdr.reenter_kernel, lm_restore_pblist,
resume_hdr.__hyp_stub_vectors, virt_to_phys(zero_page));
diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
index 8c57f64..e017a94 100644
--- a/arch/arm64/kernel/kgdb.c
+++ b/arch/arm64/kernel/kgdb.c
@@ -19,10 +19,13 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/bug.h>
#include <linux/irq.h>
#include <linux/kdebug.h>
#include <linux/kgdb.h>
#include <linux/kprobes.h>
+#include <asm/debug-monitors.h>
+#include <asm/insn.h>
#include <asm/traps.h>
struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = {
@@ -338,15 +341,24 @@ void kgdb_arch_exit(void)
unregister_die_notifier(&kgdb_notifier);
}
-/*
- * ARM instructions are always in LE.
- * Break instruction is encoded in LE format
- */
-struct kgdb_arch arch_kgdb_ops = {
- .gdb_bpt_instr = {
- KGDB_DYN_BRK_INS_BYTE(0),
- KGDB_DYN_BRK_INS_BYTE(1),
- KGDB_DYN_BRK_INS_BYTE(2),
- KGDB_DYN_BRK_INS_BYTE(3),
- }
-};
+struct kgdb_arch arch_kgdb_ops;
+
+int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
+{
+ int err;
+
+ BUILD_BUG_ON(AARCH64_INSN_SIZE != BREAK_INSTR_SIZE);
+
+ err = aarch64_insn_read((void *)bpt->bpt_addr, (u32 *)bpt->saved_instr);
+ if (err)
+ return err;
+
+ return aarch64_insn_write((void *)bpt->bpt_addr,
+ (u32)AARCH64_BREAK_KGDB_DYN_DBG);
+}
+
+int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
+{
+ return aarch64_insn_write((void *)bpt->bpt_addr,
+ *(u32 *)bpt->saved_instr);
+}
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index bf97685..c6b0f40 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -41,18 +41,6 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
static void __kprobes
post_kprobe_handler(struct kprobe_ctlblk *, struct pt_regs *);
-static inline unsigned long min_stack_size(unsigned long addr)
-{
- unsigned long size;
-
- if (on_irq_stack(addr, raw_smp_processor_id()))
- size = IRQ_STACK_PTR(raw_smp_processor_id()) - addr;
- else
- size = (unsigned long)current_thread_info() + THREAD_START_SP - addr;
-
- return min(size, FIELD_SIZEOF(struct kprobe_ctlblk, jprobes_stack));
-}
-
static void __kprobes arch_prepare_ss_slot(struct kprobe *p)
{
/* prepare insn slot */
@@ -489,20 +477,15 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
{
struct jprobe *jp = container_of(p, struct jprobe, kp);
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
- long stack_ptr = kernel_stack_pointer(regs);
kcb->jprobe_saved_regs = *regs;
/*
- * As Linus pointed out, gcc assumes that the callee
- * owns the argument space and could overwrite it, e.g.
- * tailcall optimization. So, to be absolutely safe
- * we also save and restore enough stack bytes to cover
- * the argument area.
+ * Since we can't be sure where in the stack frame "stacked"
+ * pass-by-value arguments are stored we just don't try to
+ * duplicate any of the stack. Do not use jprobes on functions that
+ * use more than 64 bytes (after padding each to an 8 byte boundary)
+ * of arguments, or pass individual arguments larger than 16 bytes.
*/
- kasan_disable_current();
- memcpy(kcb->jprobes_stack, (void *)stack_ptr,
- min_stack_size(stack_ptr));
- kasan_enable_current();
instruction_pointer_set(regs, (unsigned long) jp->entry);
preempt_disable();
@@ -554,10 +537,6 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
}
unpause_graph_tracing();
*regs = kcb->jprobe_saved_regs;
- kasan_disable_current();
- memcpy((void *)stack_addr, kcb->jprobes_stack,
- min_stack_size(stack_addr));
- kasan_enable_current();
preempt_enable_no_resched();
return 1;
}
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index 9a3aec9..ccf79d8 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -101,12 +101,20 @@ ENTRY(cpu_resume)
bl el2_setup // if in EL2 drop to EL1 cleanly
/* enable the MMU early - so we can access sleep_save_stash by va */
adr_l lr, __enable_mmu /* __cpu_setup will return here */
- ldr x27, =_cpu_resume /* __enable_mmu will branch here */
+ adr_l x27, _resume_switched /* __enable_mmu will branch here */
adrp x25, idmap_pg_dir
adrp x26, swapper_pg_dir
b __cpu_setup
ENDPROC(cpu_resume)
+ .pushsection ".idmap.text", "ax"
+_resume_switched:
+ ldr x8, =_cpu_resume
+ br x8
+ENDPROC(_resume_switched)
+ .ltorg
+ .popsection
+
ENTRY(_cpu_resume)
mrs x1, mpidr_el1
adrp x8, mpidr_hash
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 76a6d92..3ff173e 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -201,12 +201,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
return ret;
}
-static void smp_store_cpu_info(unsigned int cpuid)
-{
- store_cpu_topology(cpuid);
- numa_store_cpu_info(cpuid);
-}
-
/*
* This is the secondary CPU boot entry. We're using this CPUs
* idle thread stack, but a set of temporary page tables.
@@ -254,7 +248,7 @@ asmlinkage void secondary_start_kernel(void)
*/
notify_cpu_starting(cpu);
- smp_store_cpu_info(cpu);
+ store_cpu_topology(cpu);
/*
* OK, now it's safe to let the boot CPU continue. Wait for
@@ -661,9 +655,9 @@ void __init smp_init_cpus(void)
acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_INTERRUPT,
acpi_parse_gic_cpu_interface, 0);
- if (cpu_count > NR_CPUS)
- pr_warn("no. of cores (%d) greater than configured maximum of %d - clipping\n",
- cpu_count, NR_CPUS);
+ if (cpu_count > nr_cpu_ids)
+ pr_warn("Number of cores (%d) exceeds configured maximum of %d - clipping\n",
+ cpu_count, nr_cpu_ids);
if (!bootcpu_valid) {
pr_err("missing boot CPU MPIDR, not enabling secondaries\n");
@@ -677,7 +671,7 @@ void __init smp_init_cpus(void)
* with entries in cpu_logical_map while initializing the cpus.
* If the cpu set-up fails, invalidate the cpu_logical_map entry.
*/
- for (i = 1; i < NR_CPUS; i++) {
+ for (i = 1; i < nr_cpu_ids; i++) {
if (cpu_logical_map(i) != INVALID_HWID) {
if (smp_cpu_setup(i))
cpu_logical_map(i) = INVALID_HWID;
@@ -689,10 +683,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
{
int err;
unsigned int cpu;
+ unsigned int this_cpu;
init_cpu_topology();
- smp_store_cpu_info(smp_processor_id());
+ this_cpu = smp_processor_id();
+ store_cpu_topology(this_cpu);
+ numa_store_cpu_info(this_cpu);
/*
* If UP is mandated by "nosmp" (which implies "maxcpus=0"), don't set
@@ -719,6 +716,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
continue;
set_cpu_present(cpu, true);
+ numa_store_cpu_info(cpu);
}
}
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index ae7855f..5a84b45 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -256,7 +256,7 @@ static int __hyp_text __guest_run(struct kvm_vcpu *vcpu)
/*
* We must restore the 32-bit state before the sysregs, thanks
- * to Cortex-A57 erratum #852523.
+ * to erratum #852523 (Cortex-A57) or #853709 (Cortex-A72).
*/
__sysreg32_restore_state(vcpu);
__sysreg_restore_guest_state(guest_ctxt);
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index b0b225c..e51367d 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -823,14 +823,6 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
* Architected system registers.
* Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
*
- * We could trap ID_DFR0 and tell the guest we don't support performance
- * monitoring. Unfortunately the patch to make the kernel check ID_DFR0 was
- * NAKed, so it will read the PMCR anyway.
- *
- * Therefore we tell the guest we have 0 counters. Unfortunately, we
- * must always support PMCCNTR (the cycle counter): we just RAZ/WI for
- * all PM registers, which doesn't crash the guest kernel at least.
- *
* Debug handling: We do trap most, if not all debug related system
* registers. The implementation is good enough to ensure that a guest
* can use these with minimal performance degradation. The drawback is
@@ -1360,7 +1352,7 @@ static const struct sys_reg_desc cp15_regs[] = {
{ Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, c10_AMAIR1 },
/* ICC_SRE */
- { Op1( 0), CRn(12), CRm(12), Op2( 5), trap_raz_wi },
+ { Op1( 0), CRn(12), CRm(12), Op2( 5), access_gic_sre },
{ Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, c13_CID },
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index f94b80e..9c3e75d 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -242,7 +242,7 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level,
static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)
{
- pte_t *pte = pte_offset_kernel(pmd, 0);
+ pte_t *pte = pte_offset_kernel(pmd, 0UL);
unsigned long addr;
unsigned i;
@@ -254,7 +254,7 @@ static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)
static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
{
- pmd_t *pmd = pmd_offset(pud, 0);
+ pmd_t *pmd = pmd_offset(pud, 0UL);
unsigned long addr;
unsigned i;
@@ -271,7 +271,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start)
{
- pud_t *pud = pud_offset(pgd, 0);
+ pud_t *pud = pud_offset(pgd, 0UL);
unsigned long addr;
unsigned i;
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index c8beaa0..05d2bd7 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -153,6 +153,11 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
}
#endif
+static bool is_el1_instruction_abort(unsigned int esr)
+{
+ return ESR_ELx_EC(esr) == ESR_ELx_EC_IABT_CUR;
+}
+
/*
* The kernel tried to access some page that wasn't present.
*/
@@ -161,8 +166,9 @@ static void __do_kernel_fault(struct mm_struct *mm, unsigned long addr,
{
/*
* Are we prepared to handle this kernel fault?
+ * We are almost certainly not prepared to handle instruction faults.
*/
- if (fixup_exception(regs))
+ if (!is_el1_instruction_abort(esr) && fixup_exception(regs))
return;
/*
@@ -267,7 +273,8 @@ static inline bool is_permission_fault(unsigned int esr)
unsigned int ec = ESR_ELx_EC(esr);
unsigned int fsc_type = esr & ESR_ELx_FSC_TYPE;
- return (ec == ESR_ELx_EC_DABT_CUR && fsc_type == ESR_ELx_FSC_PERM);
+ return (ec == ESR_ELx_EC_DABT_CUR && fsc_type == ESR_ELx_FSC_PERM) ||
+ (ec == ESR_ELx_EC_IABT_CUR && fsc_type == ESR_ELx_FSC_PERM);
}
static bool is_el0_instruction_abort(unsigned int esr)
@@ -312,6 +319,9 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
if (regs->orig_addr_limit == KERNEL_DS)
die("Accessing user space memory with fs=KERNEL_DS", regs, esr);
+ if (is_el1_instruction_abort(esr))
+ die("Attempting to execute userspace memory", regs, esr);
+
if (!search_exception_tables(regs->pc))
die("Accessing user space memory outside uaccess.h routines", regs, esr);
}
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index c7fe3ec..5bb15ea 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -23,6 +23,8 @@
#include <linux/module.h>
#include <linux/of.h>
+#include <asm/acpi.h>
+
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
nodemask_t numa_nodes_parsed __initdata;
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 5bb61de..9d37e96 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -100,7 +100,16 @@ ENTRY(cpu_do_resume)
msr tcr_el1, x8
msr vbar_el1, x9
+
+ /*
+ * __cpu_setup() cleared MDSCR_EL1.MDE and friends, before unmasking
+ * debug exceptions. By restoring MDSCR_EL1 here, we may take a debug
+ * exception. Mask them until local_dbg_restore() in cpu_suspend()
+ * resets them.
+ */
+ disable_dbg
msr mdscr_el1, x10
+
msr sctlr_el1, x12
/*
* Restore oslsr_el1 by writing oslar_el1
diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h
index 68cf638..b1ec1fa 100644
--- a/arch/avr32/include/asm/uaccess.h
+++ b/arch/avr32/include/asm/uaccess.h
@@ -74,7 +74,7 @@ extern __kernel_size_t __copy_user(void *to, const void *from,
extern __kernel_size_t copy_to_user(void __user *to, const void *from,
__kernel_size_t n);
-extern __kernel_size_t copy_from_user(void *to, const void __user *from,
+extern __kernel_size_t ___copy_from_user(void *to, const void __user *from,
__kernel_size_t n);
static inline __kernel_size_t __copy_to_user(void __user *to, const void *from,
@@ -88,6 +88,15 @@ static inline __kernel_size_t __copy_from_user(void *to,
{
return __copy_user(to, (const void __force *)from, n);
}
+static inline __kernel_size_t copy_from_user(void *to,
+ const void __user *from,
+ __kernel_size_t n)
+{
+ size_t res = ___copy_from_user(to, from, n);
+ if (unlikely(res))
+ memset(to + (n - res), 0, res);
+ return res;
+}
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c
index d93ead0..7c6cf14 100644
--- a/arch/avr32/kernel/avr32_ksyms.c
+++ b/arch/avr32/kernel/avr32_ksyms.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(copy_page);
/*
* Userspace access stuff.
*/
-EXPORT_SYMBOL(copy_from_user);
+EXPORT_SYMBOL(___copy_from_user);
EXPORT_SYMBOL(copy_to_user);
EXPORT_SYMBOL(__copy_user);
EXPORT_SYMBOL(strncpy_from_user);
diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S
index ea59c04..0753734 100644
--- a/arch/avr32/lib/copy_user.S
+++ b/arch/avr32/lib/copy_user.S
@@ -23,13 +23,13 @@
*/
.text
.align 1
- .global copy_from_user
- .type copy_from_user, @function
-copy_from_user:
+ .global ___copy_from_user
+ .type ___copy_from_user, @function
+___copy_from_user:
branch_if_kernel r8, __copy_user
ret_if_privileged r8, r11, r10, r10
rjmp __copy_user
- .size copy_from_user, . - copy_from_user
+ .size ___copy_from_user, . - ___copy_from_user
.global copy_to_user
.type copy_to_user, @function
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 12f5d68..0a2a700 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -171,11 +171,12 @@ static inline int bad_user_access_length(void)
static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long n)
{
- if (access_ok(VERIFY_READ, from, n))
+ if (likely(access_ok(VERIFY_READ, from, n))) {
memcpy(to, (const void __force *)from, n);
- else
- return n;
- return 0;
+ return 0;
+ }
+ memset(to, 0, n);
+ return n;
}
static inline unsigned long __must_check
diff --git a/arch/blackfin/mach-bf561/boards/cm_bf561.c b/arch/blackfin/mach-bf561/boards/cm_bf561.c
index c6db52b..10c5777 100644
--- a/arch/blackfin/mach-bf561/boards/cm_bf561.c
+++ b/arch/blackfin/mach-bf561/boards/cm_bf561.c
@@ -146,7 +146,8 @@ static struct platform_device hitachi_fb_device = {
#include <linux/smc91x.h>
static struct smc91x_platdata smc91x_info = {
- .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
+ .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
+ SMC91X_NOWAIT,
.leda = RPC_LED_100_10,
.ledb = RPC_LED_TX_RX,
};
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index f35525b..57d1c43 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -134,7 +134,8 @@ static struct platform_device net2272_bfin_device = {
#include <linux/smc91x.h>
static struct smc91x_platdata smc91x_info = {
- .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
+ .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
+ SMC91X_NOWAIT,
.leda = RPC_LED_100_10,
.ledb = RPC_LED_TX_RX,
};
diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h
index e3530d0..56c7d57 100644
--- a/arch/cris/include/asm/uaccess.h
+++ b/arch/cris/include/asm/uaccess.h
@@ -194,30 +194,6 @@ extern unsigned long __copy_user(void __user *to, const void *from, unsigned lon
extern unsigned long __copy_user_zeroing(void *to, const void __user *from, unsigned long n);
extern unsigned long __do_clear_user(void __user *to, unsigned long n);
-static inline unsigned long
-__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- if (access_ok(VERIFY_WRITE, to, n))
- return __copy_user(to, from, n);
- return n;
-}
-
-static inline unsigned long
-__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- if (access_ok(VERIFY_READ, from, n))
- return __copy_user_zeroing(to, from, n);
- return n;
-}
-
-static inline unsigned long
-__generic_clear_user(void __user *to, unsigned long n)
-{
- if (access_ok(VERIFY_WRITE, to, n))
- return __do_clear_user(to, n);
- return n;
-}
-
static inline long
__strncpy_from_user(char *dst, const char __user *src, long count)
{
@@ -282,7 +258,7 @@ __constant_copy_from_user(void *to, const void __user *from, unsigned long n)
else if (n == 24)
__asm_copy_from_user_24(to, from, ret);
else
- ret = __generic_copy_from_user(to, from, n);
+ ret = __copy_user_zeroing(to, from, n);
return ret;
}
@@ -333,7 +309,7 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
else if (n == 24)
__asm_copy_to_user_24(to, from, ret);
else
- ret = __generic_copy_to_user(to, from, n);
+ ret = __copy_user(to, from, n);
return ret;
}
@@ -366,26 +342,43 @@ __constant_clear_user(void __user *to, unsigned long n)
else if (n == 24)
__asm_clear_24(to, ret);
else
- ret = __generic_clear_user(to, n);
+ ret = __do_clear_user(to, n);
return ret;
}
-#define clear_user(to, n) \
- (__builtin_constant_p(n) ? \
- __constant_clear_user(to, n) : \
- __generic_clear_user(to, n))
+static inline size_t clear_user(void __user *to, size_t n)
+{
+ if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
+ return n;
+ if (__builtin_constant_p(n))
+ return __constant_clear_user(to, n);
+ else
+ return __do_clear_user(to, n);
+}
-#define copy_from_user(to, from, n) \
- (__builtin_constant_p(n) ? \
- __constant_copy_from_user(to, from, n) : \
- __generic_copy_from_user(to, from, n))
+static inline size_t copy_from_user(void *to, const void __user *from, size_t n)
+{
+ if (unlikely(!access_ok(VERIFY_READ, from, n))) {
+ memset(to, 0, n);
+ return n;
+ }
+ if (__builtin_constant_p(n))
+ return __constant_copy_from_user(to, from, n);
+ else
+ return __copy_user_zeroing(to, from, n);
+}
-#define copy_to_user(to, from, n) \
- (__builtin_constant_p(n) ? \
- __constant_copy_to_user(to, from, n) : \
- __generic_copy_to_user(to, from, n))
+static inline size_t copy_to_user(void __user *to, const void *from, size_t n)
+{
+ if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
+ return n;
+ if (__builtin_constant_p(n))
+ return __constant_copy_to_user(to, from, n);
+ else
+ return __copy_user(to, from, n);
+}
/* We let the __ versions of copy_from/to_user inline, because they're often
* used in fast paths and have only a small space overhead.
diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 3ac9a59..87d9e34 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -263,19 +263,25 @@ do { \
extern long __memset_user(void *dst, unsigned long count);
extern long __memcpy_user(void *dst, const void *src, unsigned long count);
-#define clear_user(dst,count) __memset_user(____force(dst), (count))
+#define __clear_user(dst,count) __memset_user(____force(dst), (count))
#define __copy_from_user_inatomic(to, from, n) __memcpy_user((to), ____force(from), (n))
#define __copy_to_user_inatomic(to, from, n) __memcpy_user(____force(to), (from), (n))
#else
-#define clear_user(dst,count) (memset(____force(dst), 0, (count)), 0)
+#define __clear_user(dst,count) (memset(____force(dst), 0, (count)), 0)
#define __copy_from_user_inatomic(to, from, n) (memcpy((to), ____force(from), (n)), 0)
#define __copy_to_user_inatomic(to, from, n) (memcpy(____force(to), (from), (n)), 0)
#endif
-#define __clear_user clear_user
+static inline unsigned long __must_check
+clear_user(void __user *to, unsigned long n)
+{
+ if (likely(__access_ok(to, n)))
+ n = __clear_user(to, n);
+ return n;
+}
static inline unsigned long __must_check
__copy_to_user(void __user *to, const void *from, unsigned long n)
diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h
index 2e221c5..f86918a 100644
--- a/arch/h8300/include/asm/io.h
+++ b/arch/h8300/include/asm/io.h
@@ -3,6 +3,8 @@
#ifdef __KERNEL__
+#include <linux/types.h>
+
/* H8/300 internal I/O functions */
#define __raw_readb __raw_readb
diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h
index f000a38..f61cfb2 100644
--- a/arch/hexagon/include/asm/uaccess.h
+++ b/arch/hexagon/include/asm/uaccess.h
@@ -103,7 +103,8 @@ static inline long hexagon_strncpy_from_user(char *dst, const char __user *src,
{
long res = __strnlen_user(src, n);
- /* return from strnlen can't be zero -- that would be rubbish. */
+ if (unlikely(!res))
+ return -EFAULT;
if (res > n) {
copy_from_user(dst, src, n);
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 6a15083..18ca6a9 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -52,6 +52,7 @@ config IA64
select MODULES_USE_ELF_RELA
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_AUDITSYSCALL
+ select HAVE_ARCH_HARDENED_USERCOPY
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index 2189d5d..bfe1319 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -241,12 +241,16 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use
static inline unsigned long
__copy_to_user (void __user *to, const void *from, unsigned long count)
{
+ check_object_size(from, count, true);
+
return __copy_user(to, (__force void __user *) from, count);
}
static inline unsigned long
__copy_from_user (void *to, const void __user *from, unsigned long count)
{
+ check_object_size(to, count, false);
+
return __copy_user((__force void __user *) to, from, count);
}
@@ -258,22 +262,23 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
const void *__cu_from = (from); \
long __cu_len = (n); \
\
- if (__access_ok(__cu_to, __cu_len, get_fs())) \
- __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \
+ if (__access_ok(__cu_to, __cu_len, get_fs())) { \
+ check_object_size(__cu_from, __cu_len, true); \
+ __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \
+ } \
__cu_len; \
})
-#define copy_from_user(to, from, n) \
-({ \
- void *__cu_to = (to); \
- const void __user *__cu_from = (from); \
- long __cu_len = (n); \
- \
- __chk_user_ptr(__cu_from); \
- if (__access_ok(__cu_from, __cu_len, get_fs())) \
- __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \
- __cu_len; \
-})
+static inline unsigned long
+copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+ check_object_size(to, n, false);
+ if (likely(__access_ok(from, n, get_fs())))
+ n = __copy_user((__force void __user *) to, from, n);
+ else
+ memset(to, 0, n);
+ return n;
+}
#define __copy_in_user(to, from, size) __copy_user((to), (from), (size))
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index cac7014..6f89821 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -219,7 +219,7 @@ extern int fixup_exception(struct pt_regs *regs);
#define __get_user_nocheck(x, ptr, size) \
({ \
long __gu_err = 0; \
- unsigned long __gu_val; \
+ unsigned long __gu_val = 0; \
might_fault(); \
__get_user_size(__gu_val, (ptr), (size), __gu_err); \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 2dcee3a..9202f82 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -213,7 +213,6 @@ static inline int frame_extra_sizes(int f)
static inline void adjustformat(struct pt_regs *regs)
{
- ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data;
/*
* set format byte to make stack appear modulo 4, which it will
* be when doing the rte
diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h
index 8282cbc..273e612 100644
--- a/arch/metag/include/asm/uaccess.h
+++ b/arch/metag/include/asm/uaccess.h
@@ -204,8 +204,9 @@ extern unsigned long __must_check __copy_user_zeroing(void *to,
static inline unsigned long
copy_from_user(void *to, const void __user *from, unsigned long n)
{
- if (access_ok(VERIFY_READ, from, n))
+ if (likely(access_ok(VERIFY_READ, from, n)))
return __copy_user_zeroing(to, from, n);
+ memset(to, 0, n);
return n;
}
diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c
index 11fa51c..c0ec116 100644
--- a/arch/metag/mm/init.c
+++ b/arch/metag/mm/init.c
@@ -390,7 +390,6 @@ void __init mem_init(void)
free_all_bootmem();
mem_init_print_info(NULL);
- show_mem(0);
}
void free_initmem(void)
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 331b0d3..8266767 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -227,7 +227,7 @@ extern long __user_bad(void);
#define __get_user(x, ptr) \
({ \
- unsigned long __gu_val; \
+ unsigned long __gu_val = 0; \
/*unsigned long __gu_ptr = (unsigned long)(ptr);*/ \
long __gu_err; \
switch (sizeof(*(ptr))) { \
@@ -373,10 +373,13 @@ extern long __user_bad(void);
static inline long copy_from_user(void *to,
const void __user *from, unsigned long n)
{
+ unsigned long res = n;
might_fault();
- if (access_ok(VERIFY_READ, from, n))
- return __copy_from_user(to, from, n);
- return n;
+ if (likely(access_ok(VERIFY_READ, from, n)))
+ res = __copy_from_user(to, from, n);
+ if (unlikely(res))
+ memset(to + (n - res), 0, res);
+ return res;
}
#define __copy_to_user(to, from, n) \
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 2638856..212ff92 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -65,6 +65,7 @@ config MIPS
select ARCH_CLOCKSOURCE_DATA
select HANDLE_DOMAIN_IRQ
select HAVE_EXIT_THREAD
+ select HAVE_REGS_AND_STACK_ACCESS_API
menu "Machine selection"
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index f0e314c..7f975b2 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -113,42 +113,6 @@ config SPINLOCK_TEST
help
Add several files to the debugfs to test spinlock speed.
-if CPU_MIPSR6
-
-choice
- prompt "Compact branch policy"
- default MIPS_COMPACT_BRANCHES_OPTIMAL
-
-config MIPS_COMPACT_BRANCHES_NEVER
- bool "Never (force delay slot branches)"
- help
- Pass the -mcompact-branches=never flag to the compiler in order to
- force it to always emit branches with delay slots, and make no use
- of the compact branch instructions introduced by MIPSr6. This is
- useful if you suspect there may be an issue with compact branches in
- either the compiler or the CPU.
-
-config MIPS_COMPACT_BRANCHES_OPTIMAL
- bool "Optimal (use where beneficial)"
- help
- Pass the -mcompact-branches=optimal flag to the compiler in order for
- it to make use of compact branch instructions where it deems them
- beneficial, and use branches with delay slots elsewhere. This is the
- default compiler behaviour, and should be used unless you have a
- reason to choose otherwise.
-
-config MIPS_COMPACT_BRANCHES_ALWAYS
- bool "Always (force compact branches)"
- help
- Pass the -mcompact-branches=always flag to the compiler in order to
- force it to always emit compact branches, making no use of branch
- instructions with delay slots. This can result in more compact code
- which may be beneficial in some scenarios.
-
-endchoice
-
-endif # CPU_MIPSR6
-
config SCACHE_DEBUGFS
bool "L2 cache debugfs entries"
depends on DEBUG_FS
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index efd7a9d..598ab29 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -203,10 +203,6 @@ endif
toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
-cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_NEVER) += -mcompact-branches=never
-cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_OPTIMAL) += -mcompact-branches=optimal
-cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_ALWAYS) += -mcompact-branches=always
-
#
# Firmware support
#
diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c
index 2e73784..cc3a1e3 100644
--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -96,7 +96,7 @@ static struct clk * __init ath79_reg_ffclk(const char *name,
struct clk *clk;
clk = clk_register_fixed_factor(NULL, name, parent_name, 0, mult, div);
- if (!clk)
+ if (IS_ERR(clk))
panic("failed to allocate %s clock structure", name);
return clk;
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 5a9b87b..c1eb1ff 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -1619,6 +1619,12 @@ static int __init octeon_irq_init_gpio(
return -ENOMEM;
}
+ /*
+ * Clear the OF_POPULATED flag that was set by of_irq_init()
+ * so that all GPIO devices will be probed.
+ */
+ of_node_clear_flag(gpio_node, OF_POPULATED);
+
return 0;
}
/*
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index b31fbc9..37a932d 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -1059,7 +1059,7 @@ static int __init octeon_publish_devices(void)
{
return of_platform_bus_probe(NULL, octeon_ids, NULL);
}
-device_initcall(octeon_publish_devices);
+arch_initcall(octeon_publish_devices);
MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
MODULE_LICENSE("GPL");
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index d7b9918..1910223 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -146,7 +146,25 @@
/*
* Find irq with highest priority
*/
- PTR_LA t1,cpu_mask_nr_tbl
+ # open coded PTR_LA t1, cpu_mask_nr_tbl
+#if (_MIPS_SZPTR == 32)
+ # open coded la t1, cpu_mask_nr_tbl
+ lui t1, %hi(cpu_mask_nr_tbl)
+ addiu t1, %lo(cpu_mask_nr_tbl)
+
+#endif
+#if (_MIPS_SZPTR == 64)
+ # open coded dla t1, cpu_mask_nr_tbl
+ .set push
+ .set noat
+ lui t1, %highest(cpu_mask_nr_tbl)
+ lui AT, %hi(cpu_mask_nr_tbl)
+ daddiu t1, t1, %higher(cpu_mask_nr_tbl)
+ daddiu AT, AT, %lo(cpu_mask_nr_tbl)
+ dsll t1, 32
+ daddu t1, t1, AT
+ .set pop
+#endif
1: lw t2,(t1)
nop
and t2,t0
@@ -195,7 +213,25 @@
/*
* Find irq with highest priority
*/
- PTR_LA t1,asic_mask_nr_tbl
+ # open coded PTR_LA t1,asic_mask_nr_tbl
+#if (_MIPS_SZPTR == 32)
+ # open coded la t1, asic_mask_nr_tbl
+ lui t1, %hi(asic_mask_nr_tbl)
+ addiu t1, %lo(asic_mask_nr_tbl)
+
+#endif
+#if (_MIPS_SZPTR == 64)
+ # open coded dla t1, asic_mask_nr_tbl
+ .set push
+ .set noat
+ lui t1, %highest(asic_mask_nr_tbl)
+ lui AT, %hi(asic_mask_nr_tbl)
+ daddiu t1, t1, %higher(asic_mask_nr_tbl)
+ daddiu AT, AT, %lo(asic_mask_nr_tbl)
+ dsll t1, 32
+ daddu t1, t1, AT
+ .set pop
+#endif
2: lw t2,(t1)
nop
and t2,t0
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 56584a6..83054f7 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -157,6 +157,7 @@
ldc1 $f28, THREAD_FPR28(\thread)
ldc1 $f30, THREAD_FPR30(\thread)
ctc1 \tmp, fcr31
+ .set pop
.endm
.macro fpu_restore_16odd thread
diff --git a/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h b/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h
index 0cf5ac1..8ff2cbdf 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h
@@ -15,8 +15,8 @@
static inline bool __should_swizzle_bits(volatile void *a)
{
extern const bool octeon_should_swizzle_table[];
+ u64 did = ((u64)(uintptr_t)a >> 40) & 0xff;
- unsigned long did = ((unsigned long)a >> 40) & 0xff;
return octeon_should_swizzle_table[did];
}
@@ -29,7 +29,7 @@ static inline bool __should_swizzle_bits(volatile void *a)
#define __should_swizzle_bits(a) false
-static inline bool __should_swizzle_addr(unsigned long p)
+static inline bool __should_swizzle_addr(u64 p)
{
/* boot bus? */
return ((p >> 40) & 0xff) == 0;
diff --git a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
index 2f82bfa..c9f5769 100644
--- a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
@@ -11,11 +11,13 @@
#define CP0_EBASE $15, 1
.macro kernel_entry_setup
+#ifdef CONFIG_SMP
mfc0 t0, CP0_EBASE
andi t0, t0, 0x3ff # CPUNum
beqz t0, 1f
# CPUs other than zero goto smp_bootstrap
j smp_bootstrap
+#endif /* CONFIG_SMP */
1:
.endm
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index 58e7874..4fafeef 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -458,10 +458,21 @@ static inline int mips_cm_revision(void)
static inline unsigned int mips_cm_max_vp_width(void)
{
extern int smp_num_siblings;
+ uint32_t cfg;
if (mips_cm_revision() >= CM_REV_CM3)
return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW_MSK;
+ if (mips_cm_present()) {
+ /*
+ * We presume that all cores in the system will have the same
+ * number of VP(E)s, and if that ever changes then this will
+ * need revisiting.
+ */
+ cfg = read_gcr_cl_config() & CM_GCR_Cx_CONFIG_PVPE_MSK;
+ return (cfg >> CM_GCR_Cx_CONFIG_PVPE_SHF) + 1;
+ }
+
if (IS_ENABLED(CONFIG_SMP))
return smp_num_siblings;
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index def9d8d..7dd2dd4 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -660,8 +660,6 @@
#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
-/* FTLB probability bits for R6 */
-#define MIPS_CONF7_FTLBP_SHIFT (18)
/* WatchLo* register definitions */
#define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index ea0cd97..5f98759 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -164,7 +164,7 @@ typedef struct { unsigned long pgprot; } pgprot_t;
*/
static inline unsigned long ___pa(unsigned long x)
{
- if (config_enabled(CONFIG_64BIT)) {
+ if (IS_ENABLED(CONFIG_64BIT)) {
/*
* For MIPS64 the virtual address may either be in one of
* the compatibility segements ckseg0 or ckseg1, or it may
@@ -173,7 +173,7 @@ static inline unsigned long ___pa(unsigned long x)
return x < CKSEG0 ? XPHYSADDR(x) : CPHYSADDR(x);
}
- if (!config_enabled(CONFIG_EVA)) {
+ if (!IS_ENABLED(CONFIG_EVA)) {
/*
* We're using the standard MIPS32 legacy memory map, ie.
* the address x is going to be in kseg0 or kseg1. We can
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 11b965f..21a2aab 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/thread_info.h>
+#include <linux/string.h>
#include <asm/asm-eva.h>
/*
@@ -1170,6 +1171,8 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
__cu_len = __invoke_copy_from_user(__cu_to, \
__cu_from, \
__cu_len); \
+ } else { \
+ memset(__cu_to, 0, __cu_len); \
} \
} \
__cu_len; \
diff --git a/arch/mips/include/asm/uprobes.h b/arch/mips/include/asm/uprobes.h
index 34c325c..70a4a2f 100644
--- a/arch/mips/include/asm/uprobes.h
+++ b/arch/mips/include/asm/uprobes.h
@@ -36,7 +36,6 @@ struct arch_uprobe {
unsigned long resume_epc;
u32 insn[2];
u32 ixol[2];
- union mips_instruction orig_inst[MAX_UINSN_BYTES / 4];
};
struct arch_uprobe_task {
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index a88d442..dd31754 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -352,7 +352,12 @@ __setup("nohtw", htw_disable);
static int mips_ftlb_disabled;
static int mips_has_ftlb_configured;
-static int set_ftlb_enable(struct cpuinfo_mips *c, int enable);
+enum ftlb_flags {
+ FTLB_EN = 1 << 0,
+ FTLB_SET_PROB = 1 << 1,
+};
+
+static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags);
static int __init ftlb_disable(char *s)
{
@@ -371,8 +376,6 @@ static int __init ftlb_disable(char *s)
return 1;
}
- back_to_back_c0_hazard();
-
config4 = read_c0_config4();
/* Check that FTLB has been disabled */
@@ -531,7 +534,7 @@ static unsigned int calculate_ftlb_probability(struct cpuinfo_mips *c)
return 3;
}
-static int set_ftlb_enable(struct cpuinfo_mips *c, int enable)
+static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
{
unsigned int config;
@@ -542,33 +545,33 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, int enable)
case CPU_P6600:
/* proAptiv & related cores use Config6 to enable the FTLB */
config = read_c0_config6();
- /* Clear the old probability value */
- config &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
- if (enable)
- /* Enable FTLB */
- write_c0_config6(config |
- (calculate_ftlb_probability(c)
- << MIPS_CONF6_FTLBP_SHIFT)
- | MIPS_CONF6_FTLBEN);
+
+ if (flags & FTLB_EN)
+ config |= MIPS_CONF6_FTLBEN;
else
- /* Disable FTLB */
- write_c0_config6(config & ~MIPS_CONF6_FTLBEN);
+ config &= ~MIPS_CONF6_FTLBEN;
+
+ if (flags & FTLB_SET_PROB) {
+ config &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
+ config |= calculate_ftlb_probability(c)
+ << MIPS_CONF6_FTLBP_SHIFT;
+ }
+
+ write_c0_config6(config);
+ back_to_back_c0_hazard();
break;
case CPU_I6400:
- /* I6400 & related cores use Config7 to configure FTLB */
- config = read_c0_config7();
- /* Clear the old probability value */
- config &= ~(3 << MIPS_CONF7_FTLBP_SHIFT);
- write_c0_config7(config | (calculate_ftlb_probability(c)
- << MIPS_CONF7_FTLBP_SHIFT));
- break;
+ /* There's no way to disable the FTLB */
+ if (!(flags & FTLB_EN))
+ return 1;
+ return 0;
case CPU_LOONGSON3:
/* Flush ITLB, DTLB, VTLB and FTLB */
write_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB |
LOONGSON_DIAG_VTLB | LOONGSON_DIAG_FTLB);
/* Loongson-3 cores use Config6 to enable the FTLB */
config = read_c0_config6();
- if (enable)
+ if (flags & FTLB_EN)
/* Enable FTLB */
write_c0_config6(config & ~MIPS_CONF6_FTLBDIS);
else
@@ -788,6 +791,7 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c)
PAGE_SIZE, config4);
/* Switch FTLB off */
set_ftlb_enable(c, 0);
+ mips_ftlb_disabled = 1;
break;
}
c->tlbsizeftlbsets = 1 <<
@@ -852,7 +856,7 @@ static void decode_configs(struct cpuinfo_mips *c)
c->scache.flags = MIPS_CACHE_NOT_PRESENT;
/* Enable FTLB if present and not disabled */
- set_ftlb_enable(c, !mips_ftlb_disabled);
+ set_ftlb_enable(c, mips_ftlb_disabled ? 0 : FTLB_EN);
ok = decode_config0(c); /* Read Config registers. */
BUG_ON(!ok); /* Arch spec violation! */
@@ -902,6 +906,9 @@ static void decode_configs(struct cpuinfo_mips *c)
}
}
+ /* configure the FTLB write probability */
+ set_ftlb_enable(c, (mips_ftlb_disabled ? 0 : FTLB_EN) | FTLB_SET_PROB);
+
mips_probe_watch_registers(c);
#ifndef CONFIG_MIPS_CPS
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 17326a9..dc0b296 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -142,9 +142,8 @@ LEAF(__r4k_wait)
PTR_LA k1, __r4k_wait
ori k0, 0x1f /* 32 byte rollback region */
xori k0, 0x1f
- bne k0, k1, 9f
+ bne k0, k1, \handler
MTC0 k0, CP0_EPC
-9:
.set pop
.endm
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
index c3372ca..0a7e10b 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -1164,7 +1164,9 @@ fpu_emul:
regs->regs[31] = r31;
regs->cp0_epc = epc;
if (!used_math()) { /* First time FPU user. */
+ preempt_disable();
err = init_fpu();
+ preempt_enable();
set_used_math();
}
lose_fpu(1); /* Save FPU state for the emulator. */
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 7429ad0..d2d0615 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -605,14 +605,14 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
return -EOPNOTSUPP;
/* Avoid inadvertently triggering emulation */
- if ((value & PR_FP_MODE_FR) && cpu_has_fpu &&
- !(current_cpu_data.fpu_id & MIPS_FPIR_F64))
+ if ((value & PR_FP_MODE_FR) && raw_cpu_has_fpu &&
+ !(raw_current_cpu_data.fpu_id & MIPS_FPIR_F64))
return -EOPNOTSUPP;
- if ((value & PR_FP_MODE_FRE) && cpu_has_fpu && !cpu_has_fre)
+ if ((value & PR_FP_MODE_FRE) && raw_cpu_has_fpu && !cpu_has_fre)
return -EOPNOTSUPP;
/* FR = 0 not supported in MIPS R6 */
- if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6)
+ if (!(value & PR_FP_MODE_FR) && raw_cpu_has_fpu && cpu_has_mips_r6)
return -EOPNOTSUPP;
/* Proceed with the mode switch */
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 36cf8d6..0d57909 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -87,6 +87,13 @@ void __init add_memory_region(phys_addr_t start, phys_addr_t size, long type)
int x = boot_mem_map.nr_map;
int i;
+ /*
+ * If the region reaches the top of the physical address space, adjust
+ * the size slightly so that (start + size) doesn't overflow
+ */
+ if (start + size - 1 == (phys_addr_t)ULLONG_MAX)
+ --size;
+
/* Sanity check */
if (start + size < start) {
pr_warn("Trying to add an invalid memory region, skipped\n");
@@ -757,7 +764,6 @@ static void __init arch_mem_init(char **cmdline_p)
device_tree_init();
sparse_init();
plat_swiotlb_setup();
- paging_init();
dma_contiguous_reserve(PFN_PHYS(max_low_pfn));
/* Tell bootmem about cma reserved memblock section */
@@ -870,6 +876,7 @@ void __init setup_arch(char **cmdline_p)
prefill_possible_map();
cpu_cache_init();
+ paging_init();
}
unsigned long kernelsp[NR_CPUS];
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index e9d9fc6..6183ad8 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -513,7 +513,7 @@ static void cps_cpu_die(unsigned int cpu)
* in which case the CPC will refuse to power down the core.
*/
do {
- mips_cm_lock_other(core, vpe_id);
+ mips_cm_lock_other(core, 0);
mips_cpc_lock_other(core);
stat = read_cpc_co_stat_conf();
stat &= CPC_Cx_STAT_CONF_SEQSTATE_MSK;
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index f95f094..b0baf48 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -322,6 +322,9 @@ asmlinkage void start_secondary(void)
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
+ cpumask_set_cpu(cpu, &cpu_callin_map);
+ synchronise_count_slave(cpu);
+
set_cpu_online(cpu, true);
set_cpu_sibling_map(cpu);
@@ -329,10 +332,6 @@ asmlinkage void start_secondary(void)
calculate_cpu_foreign_map();
- cpumask_set_cpu(cpu, &cpu_callin_map);
-
- synchronise_count_slave(cpu);
-
/*
* irq will be enabled in ->smp_finish(), enabling it too early
* is dangerous.
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index 8452d93..4c7c155 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -157,7 +157,6 @@ bool is_trap_insn(uprobe_opcode_t *insn)
int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs)
{
struct uprobe_task *utask = current->utask;
- union mips_instruction insn;
/*
* Now find the EPC where to resume after the breakpoint has been
@@ -168,10 +167,10 @@ int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs)
unsigned long epc;
epc = regs->cp0_epc;
- __compute_return_epc_for_insn(regs, insn);
+ __compute_return_epc_for_insn(regs,
+ (union mips_instruction) aup->insn[0]);
aup->resume_epc = regs->cp0_epc;
}
-
utask->autask.saved_trap_nr = current->thread.trap_nr;
current->thread.trap_nr = UPROBE_TRAP_NR;
regs->cp0_epc = current->utask->xol_vaddr;
@@ -222,7 +221,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self,
return NOTIFY_DONE;
switch (val) {
- case DIE_BREAK:
+ case DIE_UPROBE:
if (uprobe_pre_sstep_notifier(regs))
return NOTIFY_STOP;
break;
@@ -257,7 +256,7 @@ unsigned long arch_uretprobe_hijack_return_addr(
ra = regs->regs[31];
/* Replace the return address with the trampoline address */
- regs->regs[31] = ra;
+ regs->regs[31] = trampoline_vaddr;
return ra;
}
@@ -280,24 +279,6 @@ int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm,
return uprobe_write_opcode(mm, vaddr, UPROBE_SWBP_INSN);
}
-/**
- * set_orig_insn - Restore the original instruction.
- * @mm: the probed process address space.
- * @auprobe: arch specific probepoint information.
- * @vaddr: the virtual address to insert the opcode.
- *
- * For mm @mm, restore the original opcode (opcode) at @vaddr.
- * Return 0 (success) or a negative errno.
- *
- * This overrides the weak version in kernel/events/uprobes.c.
- */
-int set_orig_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
- unsigned long vaddr)
-{
- return uprobe_write_opcode(mm, vaddr,
- *(uprobe_opcode_t *)&auprobe->orig_inst[0].word);
-}
-
void __weak arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
void *src, unsigned long len)
{
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index 9abe447..f9dbfb1 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -39,16 +39,16 @@ static struct vm_special_mapping vdso_vvar_mapping = {
static void __init init_vdso_image(struct mips_vdso_image *image)
{
unsigned long num_pages, i;
+ unsigned long data_pfn;
BUG_ON(!PAGE_ALIGNED(image->data));
BUG_ON(!PAGE_ALIGNED(image->size));
num_pages = image->size / PAGE_SIZE;
- for (i = 0; i < num_pages; i++) {
- image->mapping.pages[i] =
- virt_to_page(image->data + (i * PAGE_SIZE));
- }
+ data_pfn = __phys_to_pfn(__pa_symbol(image->data));
+ for (i = 0; i < num_pages; i++)
+ image->mapping.pages[i] = pfn_to_page(data_pfn + i);
}
static int __init init_vdso(void)
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 6eb52b9..e788515 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1642,8 +1642,14 @@ enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
preempt_disable();
if (KVM_GUEST_KSEGX(va) == KVM_GUEST_KSEG0) {
- if (kvm_mips_host_tlb_lookup(vcpu, va) < 0)
- kvm_mips_handle_kseg0_tlb_fault(va, vcpu);
+ if (kvm_mips_host_tlb_lookup(vcpu, va) < 0 &&
+ kvm_mips_handle_kseg0_tlb_fault(va, vcpu)) {
+ kvm_err("%s: handling mapped kseg0 tlb fault for %lx, vcpu: %p, ASID: %#lx\n",
+ __func__, va, vcpu, read_c0_entryhi());
+ er = EMULATE_FAIL;
+ preempt_enable();
+ goto done;
+ }
} else if ((KVM_GUEST_KSEGX(va) < KVM_GUEST_KSEG0) ||
KVM_GUEST_KSEGX(va) == KVM_GUEST_KSEG23) {
int index;
@@ -1680,12 +1686,18 @@ enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
run, vcpu);
preempt_enable();
goto dont_update_pc;
- } else {
- /*
- * We fault an entry from the guest tlb to the
- * shadow host TLB
- */
- kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb);
+ }
+ /*
+ * We fault an entry from the guest tlb to the
+ * shadow host TLB
+ */
+ if (kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb)) {
+ kvm_err("%s: handling mapped seg tlb fault for %lx, index: %u, vcpu: %p, ASID: %#lx\n",
+ __func__, va, index, vcpu,
+ read_c0_entryhi());
+ er = EMULATE_FAIL;
+ preempt_enable();
+ goto done;
}
}
} else {
@@ -2659,7 +2671,12 @@ enum emulation_result kvm_mips_handle_tlbmiss(u32 cause,
* OK we have a Guest TLB entry, now inject it into the
* shadow host TLB
*/
- kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb);
+ if (kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb)) {
+ kvm_err("%s: handling mapped seg tlb fault for %lx, index: %u, vcpu: %p, ASID: %#lx\n",
+ __func__, va, index, vcpu,
+ read_c0_entryhi());
+ er = EMULATE_FAIL;
+ }
}
}
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 57319ee5..121008c 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -40,7 +40,7 @@ static int kvm_mips_map_page(struct kvm *kvm, gfn_t gfn)
srcu_idx = srcu_read_lock(&kvm->srcu);
pfn = gfn_to_pfn(kvm, gfn);
- if (is_error_pfn(pfn)) {
+ if (is_error_noslot_pfn(pfn)) {
kvm_err("Couldn't get pfn for gfn %#llx!\n", gfn);
err = -EFAULT;
goto out;
@@ -99,7 +99,7 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr,
}
gfn = (KVM_GUEST_CPHYSADDR(badvaddr) >> PAGE_SHIFT);
- if (gfn >= kvm->arch.guest_pmap_npages) {
+ if ((gfn | 1) >= kvm->arch.guest_pmap_npages) {
kvm_err("%s: Invalid gfn: %#llx, BadVaddr: %#lx\n", __func__,
gfn, badvaddr);
kvm_mips_dump_host_tlbs();
@@ -138,35 +138,49 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0;
struct kvm *kvm = vcpu->kvm;
kvm_pfn_t pfn0, pfn1;
+ gfn_t gfn0, gfn1;
+ long tlb_lo[2];
int ret;
- if ((tlb->tlb_hi & VPN2_MASK) == 0) {
- pfn0 = 0;
- pfn1 = 0;
- } else {
- if (kvm_mips_map_page(kvm, mips3_tlbpfn_to_paddr(tlb->tlb_lo[0])
- >> PAGE_SHIFT) < 0)
- return -1;
-
- if (kvm_mips_map_page(kvm, mips3_tlbpfn_to_paddr(tlb->tlb_lo[1])
- >> PAGE_SHIFT) < 0)
- return -1;
-
- pfn0 = kvm->arch.guest_pmap[
- mips3_tlbpfn_to_paddr(tlb->tlb_lo[0]) >> PAGE_SHIFT];
- pfn1 = kvm->arch.guest_pmap[
- mips3_tlbpfn_to_paddr(tlb->tlb_lo[1]) >> PAGE_SHIFT];
+ tlb_lo[0] = tlb->tlb_lo[0];
+ tlb_lo[1] = tlb->tlb_lo[1];
+
+ /*
+ * The commpage address must not be mapped to anything else if the guest
+ * TLB contains entries nearby, or commpage accesses will break.
+ */
+ if (!((tlb->tlb_hi ^ KVM_GUEST_COMMPAGE_ADDR) &
+ VPN2_MASK & (PAGE_MASK << 1)))
+ tlb_lo[(KVM_GUEST_COMMPAGE_ADDR >> PAGE_SHIFT) & 1] = 0;
+
+ gfn0 = mips3_tlbpfn_to_paddr(tlb_lo[0]) >> PAGE_SHIFT;
+ gfn1 = mips3_tlbpfn_to_paddr(tlb_lo[1]) >> PAGE_SHIFT;
+ if (gfn0 >= kvm->arch.guest_pmap_npages ||
+ gfn1 >= kvm->arch.guest_pmap_npages) {
+ kvm_err("%s: Invalid gfn: [%#llx, %#llx], EHi: %#lx\n",
+ __func__, gfn0, gfn1, tlb->tlb_hi);
+ kvm_mips_dump_guest_tlbs(vcpu);
+ return -1;
}
+ if (kvm_mips_map_page(kvm, gfn0) < 0)
+ return -1;
+
+ if (kvm_mips_map_page(kvm, gfn1) < 0)
+ return -1;
+
+ pfn0 = kvm->arch.guest_pmap[gfn0];
+ pfn1 = kvm->arch.guest_pmap[gfn1];
+
/* Get attributes from the Guest TLB */
entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) |
((_page_cachable_default >> _CACHE_SHIFT) << ENTRYLO_C_SHIFT) |
- (tlb->tlb_lo[0] & ENTRYLO_D) |
- (tlb->tlb_lo[0] & ENTRYLO_V);
+ (tlb_lo[0] & ENTRYLO_D) |
+ (tlb_lo[0] & ENTRYLO_V);
entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) |
((_page_cachable_default >> _CACHE_SHIFT) << ENTRYLO_C_SHIFT) |
- (tlb->tlb_lo[1] & ENTRYLO_D) |
- (tlb->tlb_lo[1] & ENTRYLO_V);
+ (tlb_lo[1] & ENTRYLO_D) |
+ (tlb_lo[1] & ENTRYLO_V);
kvm_debug("@ %#lx tlb_lo0: 0x%08lx tlb_lo1: 0x%08lx\n", vcpu->arch.pc,
tlb->tlb_lo[0], tlb->tlb_lo[1]);
@@ -354,9 +368,15 @@ u32 kvm_get_inst(u32 *opc, struct kvm_vcpu *vcpu)
local_irq_restore(flags);
return KVM_INVALID_INST;
}
- kvm_mips_handle_mapped_seg_tlb_fault(vcpu,
- &vcpu->arch.
- guest_tlb[index]);
+ if (kvm_mips_handle_mapped_seg_tlb_fault(vcpu,
+ &vcpu->arch.guest_tlb[index])) {
+ kvm_err("%s: handling mapped seg tlb fault failed for %p, index: %u, vcpu: %p, ASID: %#lx\n",
+ __func__, opc, index, vcpu,
+ read_c0_entryhi());
+ kvm_mips_dump_guest_tlbs(vcpu);
+ local_irq_restore(flags);
+ return KVM_INVALID_INST;
+ }
inst = *(opc);
}
local_irq_restore(flags);
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 72a4642..4a094f7 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -298,5 +298,6 @@ bool do_dsemulret(struct pt_regs *xcp)
/* Set EPC to return to post-branch instruction */
xcp->cp0_epc = current->thread.bd_emu_cont_pc;
pr_debug("dsemulret to 0x%08lx\n", xcp->cp0_epc);
+ MIPS_FPU_EMU_INC_STATS(ds_emul);
return true;
}
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index cd72805..fa7d8d3 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -800,7 +800,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
* If address-based cache ops don't require an SMP call, then
* use them exclusively for small flushes.
*/
- size = start - end;
+ size = end - start;
cache_size = icache_size;
if (!cpu_has_ic_fills_f_dc) {
size *= 2;
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index a5509e7..72f7478 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -261,7 +261,6 @@ unsigned __weak platform_maar_init(unsigned num_pairs)
{
struct maar_config cfg[BOOT_MEM_MAP_MAX];
unsigned i, num_configured, num_cfg = 0;
- phys_addr_t skip;
for (i = 0; i < boot_mem_map.nr_map; i++) {
switch (boot_mem_map.map[i].type) {
@@ -272,14 +271,14 @@ unsigned __weak platform_maar_init(unsigned num_pairs)
continue;
}
- skip = 0x10000 - (boot_mem_map.map[i].addr & 0xffff);
-
+ /* Round lower up */
cfg[num_cfg].lower = boot_mem_map.map[i].addr;
- cfg[num_cfg].lower += skip;
+ cfg[num_cfg].lower = (cfg[num_cfg].lower + 0xffff) & ~0xffff;
- cfg[num_cfg].upper = cfg[num_cfg].lower;
- cfg[num_cfg].upper += boot_mem_map.map[i].size - 1;
- cfg[num_cfg].upper -= skip;
+ /* Round upper down */
+ cfg[num_cfg].upper = boot_mem_map.map[i].addr +
+ boot_mem_map.map[i].size;
+ cfg[num_cfg].upper = (cfg[num_cfg].upper & ~0xffff) - 1;
cfg[num_cfg].attrs = MIPS_MAAR_S;
num_cfg++;
@@ -441,6 +440,9 @@ static inline void mem_init_free_highmem(void)
#ifdef CONFIG_HIGHMEM
unsigned long tmp;
+ if (cpu_has_dc_aliases)
+ return;
+
for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {
struct page *page = pfn_to_page(tmp);
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index ec5b216..7e7364b 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -39,6 +39,9 @@
#include <linux/console.h>
#endif
+#define ROCIT_CONFIG_GEN0 0x1f403000
+#define ROCIT_CONFIG_GEN0_PCI_IOCU BIT(7)
+
extern void malta_be_init(void);
extern int malta_be_handler(struct pt_regs *regs, int is_fixup);
@@ -107,6 +110,8 @@ static void __init fd_activate(void)
static int __init plat_enable_iocoherency(void)
{
int supported = 0;
+ u32 cfg;
+
if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) {
if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) {
BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN;
@@ -129,7 +134,8 @@ static int __init plat_enable_iocoherency(void)
} else if (mips_cm_numiocu() != 0) {
/* Nothing special needs to be done to enable coherency */
pr_info("CMP IOCU detected\n");
- if ((*(unsigned int *)0xbf403000 & 0x81) != 0x81) {
+ cfg = __raw_readl((u32 *)CKSEG1ADDR(ROCIT_CONFIG_GEN0));
+ if (!(cfg & ROCIT_CONFIG_GEN0_PCI_IOCU)) {
pr_crit("IOCU OPERATION DISABLED BY SWITCH - DEFAULTING TO SW IO COHERENCY\n");
return 0;
}
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 20f7bf6..d012e87 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -166,6 +166,7 @@ struct __large_struct { unsigned long buf[100]; };
"2:\n" \
" .section .fixup,\"ax\"\n" \
"3:\n\t" \
+ " mov 0,%1\n" \
" mov %3,%0\n" \
" jmp 2b\n" \
" .previous\n" \
diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/u