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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-07-22 16:33:14 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-07-22 16:33:14 (GMT)
commitf0a21151140da01c71de636f482f2eddec2840cc (patch)
tree6d18a5012ddc4ffebe6e1ffb50233f3ae7f21e3f
parent9bc5f6fa12c9e3e1e73e66bfabe9d463ea779b08 (diff)
parent02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff)
Merge tag 'v3.0' into staging/for_v3.1old/cs_f0a21151140d
* tag 'v3.0': (146 commits) Linux 3.0 sparc,kgdbts: fix compile regression with kgdb test suite x86: Make Dell Latitude E6420 use reboot=pci x86: Make Dell Latitude E5420 use reboot=pci vfs: drop conditional inode prefetch in __do_lookup_rcu FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop CIFS: Fix wrong length in cifs_iovec_read signal: align __lock_task_sighand() irq disabling and RCU softirq,rcu: Inform RCU of irq_exit() activity sched: Add irq_{enter,exit}() to scheduler_ipi() rcu: protect __rcu_read_unlock() against scheduler-using irq handlers sched: Avoid creating superfluous NUMA domains on non-NUMA systems sched: Allow for overlapping sched_domain spans sched: Break out cpu_power from the sched_group structure vmscan: fix a livelock in kswapd fs/libfs.c: fix simple_attr_write() on 32bit machines vfs: fix race in rcu lookup of pruned dentry rcu: Streamline code produced by __rcu_read_unlock() rcu: Fix RCU_BOOST race handling current->rcu_read_unlock_special rcu: decrease rcu_report_exp_rnp coupling with scheduler ...
-rw-r--r--Documentation/filesystems/nilfs2.txt1
-rw-r--r--Documentation/networking/ip-sysctl.txt2
-rw-r--r--Documentation/x86/boot.txt2
-rw-r--r--Makefile2
-rw-r--r--arch/arm/mach-davinci/board-dm365-evm.c4
-rw-r--r--arch/arm/mach-davinci/gpio.c21
-rw-r--r--arch/arm/mach-davinci/irq.c8
-rw-r--r--arch/arm/mach-ixp4xx/common.c10
-rw-r--r--arch/arm/mach-mmp/pxa168.c2
-rw-r--r--arch/arm/mach-mmp/pxa910.c2
-rw-r--r--arch/arm/mach-pxa/mfp-pxa2xx.c4
-rw-r--r--arch/arm/mach-pxa/raumfeld.c36
-rw-r--r--arch/arm/mach-s3c64xx/dma.c14
-rw-r--r--arch/arm/plat-orion/gpio.c2
-rw-r--r--arch/arm/plat-pxa/gpio.c10
-rw-r--r--arch/arm/plat-s3c24xx/dma.c12
-rw-r--r--arch/arm/plat-s5p/irq-gpioint.c2
-rw-r--r--arch/arm/plat-samsung/dma.c6
-rw-r--r--arch/arm/plat-samsung/include/plat/dma.h21
-rw-r--r--arch/arm/plat-samsung/irq-uart.c9
-rw-r--r--arch/arm/plat-samsung/irq-vic-timer.c7
-rw-r--r--arch/mips/kernel/i8259.c22
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c30
-rw-r--r--arch/sparc/include/asm/irqflags_32.h8
-rw-r--r--arch/sparc/include/asm/irqflags_64.h14
-rw-r--r--arch/sparc/include/asm/ptrace.h1
-rw-r--r--arch/sparc/kernel/entry.S2
-rw-r--r--arch/sparc/mm/leon_mm.c2
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/kernel/reboot.c24
-rw-r--r--arch/x86/mm/init_64.c3
-rw-r--r--drivers/acpi/apei/hest.c12
-rw-r--r--drivers/acpi/osl.c17
-rw-r--r--drivers/base/memory.c1
-rw-r--r--drivers/char/agp/intel-agp.h7
-rw-r--r--drivers/gpio/wm831x-gpio.c1
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c14
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h5
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c71
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c4
-rw-r--r--drivers/gpu/drm/i915/intel_display.c15
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c118
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h2
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c2
-rw-r--r--drivers/gpu/drm/radeon/evergreen_blit_kms.c9
-rw-r--r--drivers/gpu/drm/radeon/radeon_bios.c21
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_reg.h2
-rw-r--r--drivers/gpu/drm/radeon/rs600.c6
-rw-r--r--drivers/hwmon/adm1275.c10
-rw-r--r--drivers/hwmon/asus_atk0110.c1
-rw-r--r--drivers/hwmon/it87.c2
-rw-r--r--drivers/hwmon/max1111.c11
-rw-r--r--drivers/hwmon/pmbus_core.c20
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c8
-rw-r--r--drivers/media/radio/Kconfig4
-rw-r--r--drivers/media/radio/si4713-i2c.c4
-rw-r--r--drivers/media/rc/mceusb.c9
-rw-r--r--drivers/media/rc/nuvoton-cir.c2
-rw-r--r--drivers/media/video/cx23885/cx23885-core.c9
-rw-r--r--drivers/media/video/tuner-core.c16
-rw-r--r--drivers/mmc/core/mmc.c77
-rw-r--r--drivers/net/bonding/bond_main.c6
-rw-r--r--drivers/net/gianfar.c24
-rw-r--r--drivers/net/gianfar.h3
-rw-r--r--drivers/net/natsemi.c6
-rw-r--r--drivers/net/pppoe.c3
-rw-r--r--drivers/net/r6040.c8
-rw-r--r--drivers/net/slip.c2
-rw-r--r--drivers/net/tulip/dmfe.c4
-rw-r--r--drivers/net/usb/hso.c7
-rw-r--r--drivers/net/wireless/ath/ath5k/pci.c7
-rw-r--r--drivers/net/wireless/ath/ath5k/sysfs.c9
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c3
-rw-r--r--drivers/net/wireless/ath/carl9170/usb.c2
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192cu/sw.c1
-rw-r--r--drivers/pcmcia/pxa2xx_vpac270.c4
-rw-r--r--drivers/ssb/driver_pcicore.c18
-rw-r--r--drivers/watchdog/Kconfig3
-rw-r--r--fs/ceph/mds_client.c19
-rw-r--r--fs/cifs/cifsfs.c100
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/connect.c2
-rw-r--r--fs/cifs/dir.c13
-rw-r--r--fs/cifs/file.c2
-rw-r--r--fs/cifs/sess.c10
-rw-r--r--fs/cramfs/inode.c22
-rw-r--r--fs/dcache.c53
-rw-r--r--fs/exofs/super.c2
-rw-r--r--fs/fscache/page.c14
-rw-r--r--fs/gfs2/aops.c3
-rw-r--r--fs/gfs2/glops.c8
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/log.c1
-rw-r--r--fs/gfs2/ops_fstype.c3
-rw-r--r--fs/gfs2/super.c36
-rw-r--r--fs/gfs2/sys.c7
-rw-r--r--fs/hppfs/hppfs.c31
-rw-r--r--fs/libfs.c2
-rw-r--r--fs/namei.c9
-rw-r--r--fs/nfs/nfs4filelayout.c1
-rw-r--r--fs/nfs/nfs4xdr.c2
-rw-r--r--fs/nfs/write.c2
-rw-r--r--fs/ufs/namei.c12
-rw-r--r--include/acpi/acpi_bus.h2
-rw-r--r--include/acpi/acpiosxf.h3
-rw-r--r--include/acpi/platform/aclinux.h18
-rw-r--r--include/drm/drm_pciids.h2
-rw-r--r--include/linux/irq.h3
-rw-r--r--include/linux/memory.h2
-rw-r--r--include/linux/mmc/card.h13
-rw-r--r--include/linux/netdevice.h6
-rw-r--r--include/linux/sched.h17
-rw-r--r--include/linux/sdla.h6
-rw-r--r--include/net/sctp/command.h1
-rw-r--r--include/net/sctp/ulpevent.h2
-rw-r--r--kernel/irq/generic-chip.c18
-rw-r--r--kernel/rcutree.c26
-rw-r--r--kernel/rcutree_plugin.h68
-rw-r--r--kernel/sched.c236
-rw-r--r--kernel/sched_fair.c46
-rw-r--r--kernel/sched_features.h2
-rw-r--r--kernel/signal.c19
-rw-r--r--kernel/softirq.c12
-rw-r--r--mm/vmscan.c3
-rw-r--r--net/8021q/vlan_dev.c6
-rw-r--r--net/bluetooth/hci_conn.c3
-rw-r--r--net/bluetooth/hidp/core.c18
-rw-r--r--net/bluetooth/hidp/hidp.h1
-rw-r--r--net/bluetooth/l2cap_core.c10
-rw-r--r--net/ceph/ceph_fs.c17
-rw-r--r--net/mac80211/scan.c3
-rw-r--r--net/mac80211/wpa.c16
-rw-r--r--net/sctp/output.c19
-rw-r--r--net/sctp/outqueue.c20
-rw-r--r--net/sctp/sm_sideeffect.c20
-rw-r--r--net/sctp/sm_statefuns.c32
-rw-r--r--net/sctp/sm_statetable.c2
-rw-r--r--net/sctp/socket.c13
-rw-r--r--net/sctp/ulpevent.c16
-rw-r--r--net/sunrpc/rpcb_clnt.c2
-rw-r--r--net/sunrpc/sched.c27
-rw-r--r--net/wireless/core.c12
-rw-r--r--net/wireless/core.h2
-rw-r--r--net/wireless/nl80211.c24
-rw-r--r--net/wireless/scan.c10
-rw-r--r--net/xfrm/xfrm_state.c2
-rwxr-xr-xscripts/depmod.sh10
-rw-r--r--sound/soc/codecs/wm8994.c9
-rw-r--r--sound/soc/sh/fsi-ak4642.c16
-rw-r--r--sound/soc/sh/fsi-da7210.c2
-rw-r--r--sound/soc/sh/fsi-hdmi.c4
153 files changed, 1358 insertions, 705 deletions
diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt
index d5c0cef..873a2ab 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -40,7 +40,6 @@ Features which NILFS2 does not support yet:
- POSIX ACLs
- quotas
- fsck
- - resize
- defragmentation
Mount options
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index d3d653a..bfe9242 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -346,7 +346,7 @@ tcp_orphan_retries - INTEGER
when RTO retransmissions remain unacknowledged.
See tcp_retries2 for more details.
- The default value is 7.
+ The default value is 8.
If your machine is a loaded WEB server,
you should think about lowering this value, such sockets
may consume significant resources. Cf. tcp_max_orphans.
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 9b7221a..7c3a880 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -674,7 +674,7 @@ Protocol: 2.10+
Field name: init_size
Type: read
-Offset/size: 0x25c/4
+Offset/size: 0x260/4
This field indicates the amount of linear contiguous memory starting
at the kernel runtime start address that the kernel needs before it
diff --git a/Makefile b/Makefile
index 60d91f7..6a5bdad 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 0
SUBLEVEL = 0
-EXTRAVERSION = -rc7
+EXTRAVERSION =
NAME = Sneaky Weasel
# *DOCUMENTATION*
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index c67f684..09a87e6 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -520,7 +520,7 @@ fail:
*/
if (have_imager()) {
label = "HD imager";
- mux |= 1;
+ mux |= 2;
/* externally mux MMC1/ENET/AIC33 to imager */
mux |= BIT(6) | BIT(5) | BIT(3);
@@ -540,7 +540,7 @@ fail:
resets &= ~BIT(1);
if (have_tvp7002()) {
- mux |= 2;
+ mux |= 1;
resets &= ~BIT(2);
label = "tvp7002 HD";
} else {
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index e722139..cafbe13 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -254,8 +254,10 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
{
struct davinci_gpio_regs __iomem *g;
u32 mask = 0xffff;
+ struct davinci_gpio_controller *d;
- g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc);
+ d = (struct davinci_gpio_controller *)irq_desc_get_handler_data(desc);
+ g = (struct davinci_gpio_regs __iomem *)d->regs;
/* we only care about one bank */
if (irq & 1)
@@ -274,11 +276,14 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
if (!status)
break;
__raw_writel(status, &g->intstat);
- if (irq & 1)
- status >>= 16;
/* now demux them to the right lowlevel handler */
- n = (int)irq_get_handler_data(irq);
+ n = d->irq_base;
+ if (irq & 1) {
+ n += 16;
+ status >>= 16;
+ }
+
while (status) {
res = ffs(status);
n += res;
@@ -424,7 +429,13 @@ static int __init davinci_gpio_irq_setup(void)
/* set up all irqs in this bank */
irq_set_chained_handler(bank_irq, gpio_irq_handler);
- irq_set_handler_data(bank_irq, (__force void *)g);
+
+ /*
+ * Each chip handles 32 gpios, and each irq bank consists of 16
+ * gpio irqs. Pass the irq bank's corresponding controller to
+ * the chained irq handler.
+ */
+ irq_set_handler_data(bank_irq, &chips[gpio / 32]);
for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
irq_set_chip(irq, &gpio_irqchip);
diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c
index bfe68ec..952dc12 100644
--- a/arch/arm/mach-davinci/irq.c
+++ b/arch/arm/mach-davinci/irq.c
@@ -52,8 +52,14 @@ davinci_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
struct irq_chip_type *ct;
gc = irq_alloc_generic_chip("AINTC", 1, irq_start, base, handle_edge_irq);
+ if (!gc) {
+ pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
+ __func__, irq_start);
+ return;
+ }
+
ct = gc->chip_types;
- ct->chip.irq_ack = irq_gc_ack;
+ ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
ct->chip.irq_unmask = irq_gc_mask_set_bit;
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 74ed81a..0777257 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -419,14 +419,20 @@ static void notrace ixp4xx_update_sched_clock(void)
/*
* clocksource
*/
+
+static cycle_t ixp4xx_clocksource_read(struct clocksource *c)
+{
+ return *IXP4XX_OSTS;
+}
+
unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
EXPORT_SYMBOL(ixp4xx_timer_freq);
static void __init ixp4xx_clocksource_init(void)
{
init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq);
- clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32,
- clocksource_mmio_readl_up);
+ clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32,
+ ixp4xx_clocksource_read);
}
/*
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 72b4e76..ab9f999 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -79,7 +79,7 @@ static APBC_CLK(ssp4, PXA168_SSP4, 4, 0);
static APBC_CLK(ssp5, PXA168_SSP5, 4, 0);
static APBC_CLK(keypad, PXA168_KPC, 0, 32000);
-static APMU_CLK(nand, NAND, 0x01db, 208000000);
+static APMU_CLK(nand, NAND, 0x19b, 156000000);
static APMU_CLK(lcd, LCD, 0x7f, 312000000);
/* device and clock bindings */
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
index 8f92ccd..1464607 100644
--- a/arch/arm/mach-mmp/pxa910.c
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -110,7 +110,7 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000);
static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000);
static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000);
-static APMU_CLK(nand, NAND, 0x01db, 208000000);
+static APMU_CLK(nand, NAND, 0x19b, 156000000);
static APMU_CLK(u2o, USB, 0x1b, 480000000);
/* device and clock bindings */
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index 87ae312..b27544b 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -347,9 +347,9 @@ static int pxa2xx_mfp_suspend(void)
if ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
(GPDR(i) & GPIO_bit(i))) {
if (GPLR(i) & GPIO_bit(i))
- PGSR(i) |= GPIO_bit(i);
+ PGSR(gpio_to_bank(i)) |= GPIO_bit(i);
else
- PGSR(i) &= ~GPIO_bit(i);
+ PGSR(gpio_to_bank(i)) &= ~GPIO_bit(i);
}
}
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index d130f77..2f37d43 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -573,10 +573,10 @@ static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
.xres = 480,
.yres = 272,
.bpp = 16,
- .hsync_len = 4,
+ .hsync_len = 41,
.left_margin = 2,
.right_margin = 1,
- .vsync_len = 1,
+ .vsync_len = 10,
.upper_margin = 3,
.lower_margin = 1,
.sync = 0,
@@ -596,29 +596,31 @@ static void __init raumfeld_lcd_init(void)
{
int ret;
- pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
-
- /* Earlier devices had the backlight regulator controlled
- * via PWM, later versions use another controller for that */
- if ((system_rev & 0xff) < 2) {
- mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
- pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
- platform_device_register(&raumfeld_pwm_backlight_device);
- } else
- platform_device_register(&raumfeld_lt3593_device);
-
ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
if (ret < 0)
pr_warning("Unable to request GPIO_TFT_VA_EN\n");
else
gpio_direction_output(GPIO_TFT_VA_EN, 1);
+ msleep(100);
+
ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
if (ret < 0)
pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
else
gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
+ /* Hardware revision 2 has the backlight regulator controlled
+ * by an LT3593, earlier and later devices use PWM for that. */
+ if ((system_rev & 0xff) == 2) {
+ platform_device_register(&raumfeld_lt3593_device);
+ } else {
+ mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
+ pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
+ platform_device_register(&raumfeld_pwm_backlight_device);
+ }
+
+ pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
platform_device_register(&pxa3xx_device_gcu);
}
@@ -657,10 +659,10 @@ static struct lis3lv02d_platform_data lis3_pdata = {
#define SPI_AK4104 \
{ \
- .modalias = "ak4104", \
- .max_speed_hz = 10000, \
- .bus_num = 0, \
- .chip_select = 0, \
+ .modalias = "ak4104-codec", \
+ .max_speed_hz = 10000, \
+ .bus_num = 0, \
+ .chip_select = 0, \
.controller_data = (void *) GPIO_SPDIF_CS, \
}
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index b197171..204bfaf 100644
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -113,7 +113,7 @@ found:
return chan;
}
-int s3c2410_dma_config(unsigned int channel, int xferunit)
+int s3c2410_dma_config(enum dma_ch channel, int xferunit)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -297,7 +297,7 @@ static int s3c64xx_dma_flush(struct s3c2410_dma_chan *chan)
return 0;
}
-int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
+int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -331,7 +331,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
*
*/
-int s3c2410_dma_enqueue(unsigned int channel, void *id,
+int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
dma_addr_t data, int size)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -415,7 +415,7 @@ err_buff:
EXPORT_SYMBOL(s3c2410_dma_enqueue);
-int s3c2410_dma_devconfig(unsigned int channel,
+int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source,
unsigned long devaddr)
{
@@ -463,7 +463,7 @@ int s3c2410_dma_devconfig(unsigned int channel,
EXPORT_SYMBOL(s3c2410_dma_devconfig);
-int s3c2410_dma_getposition(unsigned int channel,
+int s3c2410_dma_getposition(enum dma_ch channel,
dma_addr_t *src, dma_addr_t *dst)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -487,7 +487,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition);
* get control of an dma channel
*/
-int s3c2410_dma_request(unsigned int channel,
+int s3c2410_dma_request(enum dma_ch channel,
struct s3c2410_dma_client *client,
void *dev)
{
@@ -533,7 +533,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
* allowed to go through.
*/
-int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
unsigned long flags;
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index 5b4fffa..41ab97e 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -432,7 +432,7 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF;
ct->regs.ack = GPIO_EDGE_CAUSE_OFF;
ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
- ct->chip.irq_ack = irq_gc_ack;
+ ct->chip.irq_ack = irq_gc_ack_clr_bit;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
ct->chip.irq_unmask = irq_gc_mask_set_bit;
ct->chip.irq_set_type = gpio_irq_set_type;
diff --git a/arch/arm/plat-pxa/gpio.c b/arch/arm/plat-pxa/gpio.c
index 48ebb94..a11dc36 100644
--- a/arch/arm/plat-pxa/gpio.c
+++ b/arch/arm/plat-pxa/gpio.c
@@ -50,7 +50,7 @@ static inline void __iomem *gpio_chip_base(struct gpio_chip *c)
return container_of(c, struct pxa_gpio_chip, chip)->regbase;
}
-static inline struct pxa_gpio_chip *gpio_to_chip(unsigned gpio)
+static inline struct pxa_gpio_chip *gpio_to_pxachip(unsigned gpio)
{
return &pxa_gpio_chips[gpio_to_bank(gpio)];
}
@@ -161,7 +161,7 @@ static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type)
int gpio = irq_to_gpio(d->irq);
unsigned long gpdr, mask = GPIO_bit(gpio);
- c = gpio_to_chip(gpio);
+ c = gpio_to_pxachip(gpio);
if (type == IRQ_TYPE_PROBE) {
/* Don't mess with enabled GPIOs using preconfigured edges or
@@ -230,7 +230,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
static void pxa_ack_muxed_gpio(struct irq_data *d)
{
int gpio = irq_to_gpio(d->irq);
- struct pxa_gpio_chip *c = gpio_to_chip(gpio);
+ struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
__raw_writel(GPIO_bit(gpio), c->regbase + GEDR_OFFSET);
}
@@ -238,7 +238,7 @@ static void pxa_ack_muxed_gpio(struct irq_data *d)
static void pxa_mask_muxed_gpio(struct irq_data *d)
{
int gpio = irq_to_gpio(d->irq);
- struct pxa_gpio_chip *c = gpio_to_chip(gpio);
+ struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
uint32_t grer, gfer;
c->irq_mask &= ~GPIO_bit(gpio);
@@ -252,7 +252,7 @@ static void pxa_mask_muxed_gpio(struct irq_data *d)
static void pxa_unmask_muxed_gpio(struct irq_data *d)
{
int gpio = irq_to_gpio(d->irq);
- struct pxa_gpio_chip *c = gpio_to_chip(gpio);
+ struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
c->irq_mask |= GPIO_bit(gpio);
update_edge_detect(c);
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index a79a8cc..539bd0e 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -712,7 +712,7 @@ static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel);
* get control of an dma channel
*/
-int s3c2410_dma_request(unsigned int channel,
+int s3c2410_dma_request(enum dma_ch channel,
struct s3c2410_dma_client *client,
void *dev)
{
@@ -783,7 +783,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
* allowed to go through.
*/
-int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
unsigned long flags;
@@ -974,7 +974,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan)
}
int
-s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
+s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -1021,7 +1021,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
* xfersize: size of unit in bytes (1,2,4)
*/
-int s3c2410_dma_config(unsigned int channel,
+int s3c2410_dma_config(enum dma_ch channel,
int xferunit)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -1100,7 +1100,7 @@ EXPORT_SYMBOL(s3c2410_dma_config);
* devaddr: physical address of the source
*/
-int s3c2410_dma_devconfig(unsigned int channel,
+int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source,
unsigned long devaddr)
{
@@ -1173,7 +1173,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
* returns the current transfer points for the dma source and destination
*/
-int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst)
+int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index 135abda..327ab9f 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -152,7 +152,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
if (!gc)
return -ENOMEM;
ct = gc->chip_types;
- ct->chip.irq_ack = irq_gc_ack;
+ ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_set_bit;
ct->chip.irq_unmask = irq_gc_mask_clr_bit;
ct->chip.irq_set_type = s5p_gpioint_set_type,
diff --git a/arch/arm/plat-samsung/dma.c b/arch/arm/plat-samsung/dma.c
index cb459dd..6143aa1 100644
--- a/arch/arm/plat-samsung/dma.c
+++ b/arch/arm/plat-samsung/dma.c
@@ -41,7 +41,7 @@ struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel)
* irq?
*/
-int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
+int s3c2410_dma_set_opfn(enum dma_ch channel, s3c2410_dma_opfn_t rtn)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -56,7 +56,7 @@ int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
}
EXPORT_SYMBOL(s3c2410_dma_set_opfn);
-int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
+int s3c2410_dma_set_buffdone_fn(enum dma_ch channel, s3c2410_dma_cbfn_t rtn)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -71,7 +71,7 @@ int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
}
EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
-int s3c2410_dma_setflags(unsigned int channel, unsigned int flags)
+int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h
index 2e8f8c6..8c273b7 100644
--- a/arch/arm/plat-samsung/include/plat/dma.h
+++ b/arch/arm/plat-samsung/include/plat/dma.h
@@ -42,6 +42,7 @@ struct s3c2410_dma_client {
};
struct s3c2410_dma_chan;
+enum dma_ch;
/* s3c2410_dma_cbfn_t
*
@@ -62,7 +63,7 @@ typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
* request a dma channel exclusivley
*/
-extern int s3c2410_dma_request(unsigned int channel,
+extern int s3c2410_dma_request(enum dma_ch channel,
struct s3c2410_dma_client *, void *dev);
@@ -71,14 +72,14 @@ extern int s3c2410_dma_request(unsigned int channel,
* change the state of the dma channel
*/
-extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
+extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op);
/* s3c2410_dma_setflags
*
* set the channel's flags to a given state
*/
-extern int s3c2410_dma_setflags(unsigned int channel,
+extern int s3c2410_dma_setflags(enum dma_ch channel,
unsigned int flags);
/* s3c2410_dma_free
@@ -86,7 +87,7 @@ extern int s3c2410_dma_setflags(unsigned int channel,
* free the dma channel (will also abort any outstanding operations)
*/
-extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
+extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *);
/* s3c2410_dma_enqueue
*
@@ -95,7 +96,7 @@ extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
* drained before the buffer is given to the DMA system.
*/
-extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
+extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
dma_addr_t data, int size);
/* s3c2410_dma_config
@@ -103,14 +104,14 @@ extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
* configure the dma channel
*/
-extern int s3c2410_dma_config(unsigned int channel, int xferunit);
+extern int s3c2410_dma_config(enum dma_ch channel, int xferunit);
/* s3c2410_dma_devconfig
*
* configure the device we're talking to
*/
-extern int s3c2410_dma_devconfig(unsigned int channel,
+extern int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source, unsigned long devaddr);
/* s3c2410_dma_getposition
@@ -118,10 +119,10 @@ extern int s3c2410_dma_devconfig(unsigned int channel,
* get the position that the dma transfer is currently at
*/
-extern int s3c2410_dma_getposition(unsigned int channel,
+extern int s3c2410_dma_getposition(enum dma_ch channel,
dma_addr_t *src, dma_addr_t *dest);
-extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
-extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
+extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn);
+extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn);
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c
index 32582c0..657405c 100644
--- a/arch/arm/plat-samsung/irq-uart.c
+++ b/arch/arm/plat-samsung/irq-uart.c
@@ -54,8 +54,15 @@ static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base,
handle_level_irq);
+
+ if (!gc) {
+ pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
+ __func__, uirq->base_irq);
+ return;
+ }
+
ct = gc->chip_types;
- ct->chip.irq_ack = irq_gc_ack;
+ ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_set_bit;
ct->chip.irq_unmask = irq_gc_mask_clr_bit;
ct->regs.ack = S3C64XX_UINTP;
diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c
index a607546..f714d06 100644
--- a/arch/arm/plat-samsung/irq-vic-timer.c
+++ b/arch/arm/plat-samsung/irq-vic-timer.c
@@ -54,6 +54,13 @@ void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq)
s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq,
S3C64XX_TINT_CSTAT, handle_level_irq);
+
+ if (!s3c_tgc) {
+ pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n",
+ __func__, timer_irq);
+ return;
+ }
+
ct = s3c_tgc->chip_types;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
ct->chip.irq_unmask = irq_gc_mask_set_bit;
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index c018696..5c74eb7 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -14,7 +14,7 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/spinlock.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/irq.h>
#include <asm/i8259.h>
@@ -215,14 +215,13 @@ spurious_8259A_irq:
}
}
-static int i8259A_resume(struct sys_device *dev)
+static void i8259A_resume(void)
{
if (i8259A_auto_eoi >= 0)
init_8259A(i8259A_auto_eoi);
- return 0;
}
-static int i8259A_shutdown(struct sys_device *dev)
+static void i8259A_shutdown(void)
{
/* Put the i8259A into a quiescent state that
* the kernel initialization code can get it
@@ -232,26 +231,17 @@ static int i8259A_shutdown(struct sys_device *dev)
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
}
- return 0;
}
-static struct sysdev_class i8259_sysdev_class = {
- .name = "i8259",
+static struct syscore_ops i8259_syscore_ops = {
.resume = i8259A_resume,
.shutdown = i8259A_shutdown,
};
-static struct sys_device device_i8259A = {
- .id = 0,
- .cls = &i8259_sysdev_class,
-};
-
static int __init i8259A_init_sysfs(void)
{
- int error = sysdev_class_register(&i8259_sysdev_class);
- if (!error)
- error = sysdev_register(&device_i8259A);
- return error;
+ register_syscore_ops(&i8259_syscore_ops);
+ return 0;
}
device_initcall(i8259A_init_sysfs);
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 33867ec..9d6a8ef 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -12,6 +12,8 @@
#include <linux/of.h>
#include <linux/memblock.h>
#include <linux/vmalloc.h>
+#include <linux/memory.h>
+
#include <asm/firmware.h>
#include <asm/machdep.h>
#include <asm/pSeries_reconfig.h>
@@ -20,24 +22,25 @@
static unsigned long get_memblock_size(void)
{
struct device_node *np;
- unsigned int memblock_size = 0;
+ unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
+ struct resource r;
np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
if (np) {
- const unsigned long *size;
+ const __be64 *size;
size = of_get_property(np, "ibm,lmb-size", NULL);
- memblock_size = size ? *size : 0;
-
+ if (size)
+ memblock_size = be64_to_cpup(size);
of_node_put(np);
- } else {
+ } else if (machine_is(pseries)) {
+ /* This fallback really only applies to pseries */
unsigned int memzero_size = 0;
- const unsigned int *regs;
np = of_find_node_by_path("/memory@0");
if (np) {
- regs = of_get_property(np, "reg", NULL);
- memzero_size = regs ? regs[3] : 0;
+ if (!of_address_to_resource(np, 0, &r))
+ memzero_size = resource_size(&r);
of_node_put(np);
}
@@ -50,16 +53,21 @@ static unsigned long get_memblock_size(void)
sprintf(buf, "/memory@%x", memzero_size);
np = of_find_node_by_path(buf);
if (np) {
- regs = of_get_property(np, "reg", NULL);
- memblock_size = regs ? regs[3] : 0;
+ if (!of_address_to_resource(np, 0, &r))
+ memblock_size = resource_size(&r);
of_node_put(np);
}
}
}
-
return memblock_size;
}
+/* WARNING: This is going to override the generic definition whenever
+ * pseries is built-in regardless of what platform is active at boot
+ * time. This is fine for now as this is the only "option" and it
+ * should work everywhere. If not, we'll have to turn this into a
+ * ppc_md. callback
+ */
unsigned long memory_block_size_bytes(void)
{
return get_memblock_size();
diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h
index d4d0711..1484890 100644
--- a/arch/sparc/include/asm/irqflags_32.h
+++ b/arch/sparc/include/asm/irqflags_32.h
@@ -18,7 +18,7 @@ extern void arch_local_irq_restore(unsigned long);
extern unsigned long arch_local_irq_save(void);
extern void arch_local_irq_enable(void);
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
{
unsigned long flags;
@@ -26,17 +26,17 @@ static inline unsigned long arch_local_save_flags(void)
return flags;
}
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
{
arch_local_irq_save();
}
-static inline bool arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace bool arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & PSR_PIL) != 0;
}
-static inline bool arch_irqs_disabled(void)
+static inline notrace bool arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h
index aab969c..23cd27f 100644
--- a/arch/sparc/include/asm/irqflags_64.h
+++ b/arch/sparc/include/asm/irqflags_64.h
@@ -14,7 +14,7 @@
#ifndef __ASSEMBLY__
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
{
unsigned long flags;
@@ -26,7 +26,7 @@ static inline unsigned long arch_local_save_flags(void)
return flags;
}
-static inline void arch_local_irq_restore(unsigned long flags)
+static inline notrace void arch_local_irq_restore(unsigned long flags)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
@@ -36,7 +36,7 @@ static inline void arch_local_irq_restore(unsigned long flags)
);
}
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
@@ -46,7 +46,7 @@ static inline void arch_local_irq_disable(void)
);
}
-static inline void arch_local_irq_enable(void)
+static inline notrace void arch_local_irq_enable(void)
{
__asm__ __volatile__(
"wrpr 0, %%pil"
@@ -56,17 +56,17 @@ static inline void arch_local_irq_enable(void)
);
}
-static inline int arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace int arch_irqs_disabled_flags(unsigned long flags)
{
return (flags > 0);
}
-static inline int arch_irqs_disabled(void)
+static inline notrace int arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
-static inline unsigned long arch_local_irq_save(void)
+static inline notrace unsigned long arch_local_irq_save(void)
{
unsigned long flags, tmp;
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index c7ad3fe..b928b31 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -205,6 +205,7 @@ do { current_thread_info()->syscall_noerror = 1; \
} while (0)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
+#define instruction_pointer_set(regs, val) ((regs)->tpc = (val))
#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
#ifdef CONFIG_SMP
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 9fe08a1..f445e98 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -293,7 +293,7 @@ maybe_smp4m_msg:
WRITE_PAUSE
wr %l4, PSR_ET, %psr
WRITE_PAUSE
- sll %o3, 28, %o2 ! shift for simpler checks below
+ srl %o3, 28, %o2 ! shift for simpler checks below
maybe_smp4m_msg_check_single:
andcc %o2, 0x1, %g0
beq,a maybe_smp4m_msg_check_mask
diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c
index c0e0129..e485a68 100644
--- a/arch/sparc/mm/leon_mm.c
+++ b/arch/sparc/mm/leon_mm.c
@@ -226,7 +226,7 @@ void leon3_getCacheRegs(struct leon3_cacheregs *regs)
* Leon2 and Leon3 differ in their way of telling cache information
*
*/
-int leon_flush_needed(void)
+int __init leon_flush_needed(void)
{
int flush_needed = -1;
unsigned int ssize, sets;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index da34972..37357a5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1170,7 +1170,7 @@ comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
config AMD_NUMA
def_bool y
prompt "Old style AMD Opteron NUMA detection"
- depends on NUMA && PCI
+ depends on X86_64 && NUMA && PCI
---help---
Enable AMD NUMA node topology detection. You should say Y here if
you have a multi processor AMD system. This uses an old method to
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 4f0d46f..9242436 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -419,6 +419,30 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
},
},
+ { /* Handle problems with rebooting on the Latitude E6320. */
+ .callback = set_pci_reboot,
+ .ident = "Dell Latitude E6320",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"),
+ },
+ },
+ { /* Handle problems with rebooting on the Latitude E5420. */
+ .callback = set_pci_reboot,
+ .ident = "Dell Latitude E5420",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5420"),
+ },
+ },
+ { /* Handle problems with rebooting on the Latitude E6420. */
+ .callback = set_pci_reboot,
+ .ident = "Dell Latitude E6420",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"),
+ },
+ },
{ }
};
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index d865c4ae..bbaaa00 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -28,6 +28,7 @@
#include <linux/poison.h>
#include <linux/dma-mapping.h>
#include <linux/module.h>
+#include <linux/memory.h>
#include <linux/memory_hotplug.h>
#include <linux/nmi.h>
#include <linux/gfp.h>
@@ -895,8 +896,6 @@ const char *arch_vma_name(struct vm_area_struct *vma)
}
#ifdef CONFIG_X86_UV
-#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
-
unsigned long memory_block_size_bytes(void)
{
if (is_uv_system()) {
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index abda378..181bc2f 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -139,13 +139,23 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
{
struct platform_device *ghes_dev;
struct ghes_arr *ghes_arr = data;
- int rc;
+ int rc, i;
if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
return 0;
if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
return 0;
+ for (i = 0; i < ghes_arr->count; i++) {
+ struct acpi_hest_header *hdr;
+ ghes_dev = ghes_arr->ghes_devs[i];
+ hdr = *(struct acpi_hest_header **)ghes_dev->dev.platform_data;
+ if (hdr->source_id == hest_hdr->source_id) {
+ pr_warning(FW_WARN HEST_PFX "Duplicated hardware error source ID: %d.\n",
+ hdr->source_id);
+ return -EIO;
+ }
+ }
ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
if (!ghes_dev)
return -ENOMEM;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 52ca964..372f9b7 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1333,23 +1333,6 @@ int acpi_resources_are_enforced(void)
EXPORT_SYMBOL(acpi_resources_are_enforced);
/*
- * Create and initialize a spinlock.
- */
-acpi_status
-acpi_os_create_lock(acpi_spinlock *out_handle)
-{
- spinlock_t *lock;
-
- lock = ACPI_ALLOCATE(sizeof(spinlock_t));
- if (!lock)
- return AE_NO_MEMORY;
- spin_lock_init(lock);
- *out_handle = lock;
-
- return AE_OK;
-}
-
-/*
* Deallocate the memory for a spinlock.
*/
void acpi_os_delete_lock(acpi_spinlock handle)
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 9f9b235..45d7c8f 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -30,7 +30,6 @@
static DEFINE_MUTEX(mem_sysfs_mutex);
#define MEMORY_CLASS_NAME "memory"
-#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
static int sections_per_block;
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index 999803c..5da67f1 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -90,9 +90,10 @@
#define G4x_GMCH_SIZE_MASK (0xf << 8)
#define G4x_GMCH_SIZE_1M (0x1 << 8)
#define G4x_GMCH_SIZE_2M (0x3 << 8)
-#define G4x_GMCH_SIZE_VT_1M (0x9 << 8)
-#define G4x_GMCH_SIZE_VT_1_5M (0xa << 8)
-#define G4x_GMCH_SIZE_VT_2M (0xc << 8)
+#define G4x_GMCH_SIZE_VT_EN (0x8 << 8)
+#define G4x_GMCH_SIZE_VT_1M (G4x_GMCH_SIZE_1M | G4x_GMCH_SIZE_VT_EN)
+#define G4x_GMCH_SIZE_VT_1_5M ((0x2 << 8) | G4x_GMCH_SIZE_VT_EN)
+#define G4x_GMCH_SIZE_VT_2M (G4x_GMCH_SIZE_2M | G4x_GMCH_SIZE_VT_EN)
#define GFX_FLSH_CNTL 0x2170 /* 915+ */
diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c
index 309644c..2bcfb0b 100644
--- a/drivers/gpio/wm831x-gpio.c
+++ b/drivers/gpio/wm831x-gpio.c
@@ -180,6 +180,7 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
break;
case WM831X_GPIO_PULL_UP:
pull = "pullup";
+ break;
default:
pull = "INVALID PULL";
break;
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index e178702..296fbd6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1943,7 +1943,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (!dev_priv->mm.gtt) {
DRM_ERROR("Failed to initialize GTT\n");
ret = -ENODEV;
- goto out_iomapfree;
+ goto out_rmmap;
}
agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
@@ -1987,7 +1987,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (dev_priv->wq == NULL) {
DRM_ERROR("Failed to create our workqueue.\n");
ret = -ENOMEM;
- goto out_iomapfree;
+ goto out_mtrrfree;
}
/* enable GEM by default */
@@ -2074,13 +2074,21 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
return 0;
out_gem_unload:
+ if (dev_priv->mm.inactive_shrinker.shrink)
+ unregister_shrinker(&dev_priv->mm.inactive_shrinker);
+
if (dev->pdev->msi_enabled)
pci_disable_msi(dev->pdev);
intel_teardown_gmbus(dev);
intel_teardown_mchbar(dev);
destroy_workqueue(dev_priv->wq);
-out_iomapfree:
+out_mtrrfree:
+ if (dev_priv->mm.gtt_mtrr >= 0) {
+ mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,
+ dev->agp->agp_info.aper_size * 1024 * 1024);
+ dev_priv->mm.gtt_mtrr = -1;
+ }
io_mapping_free(dev_priv->mm.gtt_mapping);
out_rmmap:
pci_iounmap(dev->pdev, dev_priv->regs);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 013d304..eb91e2d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -52,7 +52,7 @@ module_param_named(powersave, i915_powersave, int, 0600);
unsigned int i915_semaphores = 0;
module_param_named(semaphores, i915_semaphores, int, 0600);
-unsigned int i915_enable_rc6 = 1;
+unsigned int i915_enable_rc6 = 0;
module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
unsigned int i915_enable_fbc = 0;
@@ -577,6 +577,7 @@ int i915_reset(struct drm_device *dev, u8 flags)
if (get_seconds() - dev_priv->last_gpu_reset < 5) {
DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
} else switch (INTEL_INFO(dev)->gen) {
+ case 7:
case 6:
ret = gen6_do_reset(dev, flags);
/* If reset with a user forcewake, try to restore */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f245c58..ce7914c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -262,6 +262,7 @@ enum intel_pch {
};
#define QUIRK_PIPEA_FORCE (1<<0)
+#define QUIRK_LVDS_SSC_DISABLE (1<<1)
struct intel_fbdev;
@@ -1194,7 +1195,9 @@ void i915_gem_free_all_phys_object(struct drm_device *dev);
void i915_gem_release(struct drm_device *dev, struct drm_file *file);
uint32_t
-i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj);
+i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
+ uint32_t size,
+ int tiling_mode);
/* i915_gem_gtt.c */
void i915_gem_restore_gtt_mappings(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5c0d124..a087e1b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1374,25 +1374,24 @@ i915_gem_free_mmap_offset(struct drm_i915_gem_object *obj)
}
static uint32_t
-i915_gem_get_gtt_size(struct drm_i915_gem_object *obj)
+i915_gem_get_gtt_size(struct drm_device *dev, uint32_t size, int tiling_mode)
{
- struct drm_device *dev = obj->base.dev;
- uint32_t size;
+ uint32_t gtt_size;
if (INTEL_INFO(dev)->gen >= 4 ||
- obj->tiling_mode == I915_TILING_NONE)
- return obj->base.size;
+ tiling_mode == I915_TILING_NONE)
+ return size;
/* Previous chips need a power-of-two fence region when tiling */
if (INTEL_INFO(dev)->gen == 3)
- size = 1024*1024;
+ gtt_size = 1024*1024;
else
- size = 512*1024;
+ gtt_size = 512*1024;
- while (size < obj->base.size)
- size <<= 1;
+ while (gtt_size < size)
+ gtt_size <<= 1;
- return size;
+ return gtt_size;
}
/**
@@ -1403,59 +1402,52 @@ i915_gem_get_gtt_size(struct drm_i915_gem_object *obj)
* potential fence register mapping.
*/
static uint32_t
-i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj)
+i915_gem_get_gtt_alignment(struct drm_device *dev,
+ uint32_t size,
+ int tiling_mode)
{
- struct drm_device *dev = obj->base.dev;
-
/*
* Minimum alignment is 4k (GTT page size), but might be greater
* if a fence register is needed for the object.
*/
if (INTEL_INFO(dev)->gen >= 4 ||
- obj->tiling_mode == I915_TILING_NONE)
+ tiling_mode == I915_TILING_NONE)
return 4096;
/*
* Previous chips need to be aligned to the size of the smallest
* fence register that can contain the object.
*/
- return i915_gem_get_gtt_size(obj);
+ return i915_gem_get_gtt_size(dev, size, tiling_mode);
}
/**
* i915_gem_get_unfenced_gtt_alignment - return required GTT alignment for an
* unfenced object
- * @obj: object to check
+ * @dev: the device
+ * @size: size of the object
+ * @tiling_mode: tiling mode of the object
*
* Return the required GTT alignment for an object, only taking into account
* unfenced tiled surface requirements.
*/
uint32_t
-i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj)
+i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
+ uint32_t size,
+ int tiling_mode)
{
- struct drm_device *dev = obj->base.dev;
- int tile_height;
-
/*
* Minimum alignment is 4k (GTT page size) for sane hw.
*/
if (INTEL_INFO(dev)->gen >= 4 || IS_G33(dev) ||
- obj->tiling_mode == I915_TILING_NONE)
+ tiling_mode == I915_TILING_NONE)
return 4096;
- /*
- * Older chips need unfenced tiled buffers to be aligned to the left
- * edge of an even tile row (where tile rows are counted as if the bo is
- * placed in a fenced gtt region).
+ /* Previous hardware however needs to be aligned to a power-of-two
+ * tile height. The simplest method for determining this is to reuse
+ * the power-of-tile object size.
*/
- if (IS_GEN2(dev))
- tile_height = 16;
- else if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
- tile_height = 32;
- else
- tile_height = 8;
-
- return tile_height * obj->stride * 2;
+ return i915_gem_get_gtt_size(dev, size, tiling_mode);
}
int
@@ -2744,9 +2736,16 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
return -EINVAL;
}
- fence_size = i915_gem_get_gtt_size(obj);
- fence_alignment = i915_gem_get_gtt_alignment(obj);
- unfenced_alignment = i915_gem_get_unfenced_gtt_alignment(obj);
+ fence_size = i915_gem_get_gtt_size(dev,
+ obj->base.size,
+ obj->tiling_mode);
+ fence_alignment = i915_gem_get_gtt_alignment(dev,
+ obj->base.size,
+ obj->tiling_mode);
+ unfenced_alignment =
+ i915_gem_get_unfenced_gtt_alignment(dev,
+ obj->base.size,
+ obj->tiling_mode);
if (alignment == 0)
alignment = map_and_fenceable ? fence_alignment :
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 82d70fd..99c4faa 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -348,7 +348,9 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
/* Rebind if we need a change of alignment */
if (!obj->map_and_fenceable) {
u32 unfenced_alignment =
- i915_gem_get_unfenced_gtt_alignment(obj);
+ i915_gem_get_unfenced_gtt_alignment(dev,
+ obj->base.size,
+ args->tiling_mode);
if (obj->gtt_offset & (unfenced_alignment - 1))
ret = i915_gem_object_unbind(obj);
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 21b6f93..0f1c799 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4305,7 +4305,8 @@ static void intel_update_watermarks(struct drm_device *dev)
static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
{
- return dev_priv->lvds_use_ssc && i915_panel_use_ssc;
+ return dev_priv->lvds_use_ssc && i915_panel_use_ssc
+ && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
}
static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
@@ -7810,6 +7811,15 @@ static void quirk_pipea_force (struct drm_device *dev)
DRM_DEBUG_DRIVER("applying pipe a force quirk\n");
}
+/*
+ * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
+ */
+static void quirk_ssc_force_disable(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE;
+}
+
struct intel_quirk {
int device;
int subsystem_vendor;
@@ -7838,6 +7848,9 @@ struct intel_quirk intel_quirks[] = {
/* 855 & before need to leave pipe A & dpll A up */
{ 0x3582, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
{ 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
+
+ /* Lenovo U160 cannot use SSC on LVDS */
+ { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
};
static void intel_init_quirks(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 391b55f..e2aced6 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -50,7 +50,6 @@ struct intel_dp {
bool has_audio;
int force_audio;
uint32_t color_range;
- int dpms_mode;
uint8_t link_bw;
uint8_t lane_count;
uint8_t dpcd[4];
@@ -138,8 +137,8 @@ intel_dp_max_lane_count(struct intel_dp *intel_dp)
{
int max_lane_count = 4;
- if (intel_dp->dpcd[0] >= 0x11) {
- max_lane_count = intel_dp->dpcd[2] & 0x1f;
+ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {
+ max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
switch (max_lane_count) {
case 1: case 2: case 4:
break;
@@ -153,7 +152,7 @@ intel_dp_max_lane_count(struct intel_dp *intel_dp)
static int
intel_dp_max_link_bw(struct intel_dp *intel_dp)
{
- int max_link_bw = intel_dp->dpcd[1];
+ int max_link_bw = intel_dp->dpcd[DP_MAX_LINK_RATE];
switch (max_link_bw) {
case DP_LINK_BW_1_62:
@@ -774,7 +773,8 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
/*
* Check for DPCD version > 1.1 and enhanced framing support
*/
- if (intel_dp->dpcd[0] >= 0x11 && (intel_dp->dpcd[2] & DP_ENHANCED_FRAME_CAP)) {
+ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
+ (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) {
intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
intel_dp->DP |= DP_ENHANCED_FRAMING;
}
@@ -942,11 +942,44 @@ static void ironlake_edp_pll_off(struct drm_encoder *encoder)
udelay(200);
}
+/* If the sink supports it, try to set the power state appropriately */
+static void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
+{
+ int ret, i;
+
+ /* Should have a valid DPCD by this point */
+ if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
+ return;
+
+ if (mode != DRM_MODE_DPMS_ON) {
+ ret = intel_dp_aux_native_write_1(intel_dp, DP_SET_POWER,
+ DP_SET_POWER_D3);
+ if (ret != 1)
+ DRM_DEBUG_DRIVER("failed to write sink power state\n");
+ } else {
+ /*
+ * When turning on, we need to retry for 1ms to give the sink
+ * time to wake up.
+ */
+ for (i = 0; i < 3; i++) {
+ ret = intel_dp_aux_native_write_1(intel_dp,
+ DP_SET_POWER,
+ DP_SET_POWER_D0);
+ if (ret == 1)
+ break;
+ msleep(1);
+ }
+ }
+}
+
static void intel_dp_prepare(struct drm_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = encoder->dev;
+ /* Wake up the sink first */
+ intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+
if (is_edp(intel_dp)) {
ironlake_edp_backlight_off(dev);
ironlake_edp_panel_off(dev);
@@ -990,6 +1023,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
if (mode != DRM_MODE_DPMS_ON) {
if (is_edp(intel_dp))
ironlake_edp_backlight_off(dev);
+ intel_dp_sink_dpms(intel_dp, mode);
intel_dp_link_down(intel_dp);
if (is_edp(intel_dp))
ironlake_edp_panel_off(dev);
@@ -998,6 +1032,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
} else {
if (is_edp(intel_dp))
ironlake_edp_panel_vdd_on(intel_dp);
+ intel_dp_sink_dpms(intel_dp, mode);
if (!(dp_reg & DP_PORT_EN)) {
intel_dp_start_link_train(intel_dp);
if (is_edp(intel_dp)) {
@@ -1009,7 +1044,31 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
if (is_edp(intel_dp))
ironlake_edp_backlight_on(dev);
}
- intel_dp->dpms_mode = mode;
+}
+
+/*
+ * Native read with retry for link status and receiver capability reads for
+ * cases where the sink may still be asleep.
+ */
+static bool
+intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address,
+ uint8_t *recv, int recv_bytes)
+{
+ int ret, i;
+
+ /*
+ * Sinks are *supposed* to come up within 1ms from an off state,
+ * but we're also supposed to retry 3 times per the spec.
+ */
+ for (i = 0; i < 3; i++) {
+ ret = intel_dp_aux_native_read(intel_dp, address, recv,
+ recv_bytes);
+ if (ret == recv_bytes)
+ return true;
+ msleep(1);
+ }
+
+ return false;
}
/*
@@ -1019,14 +1078,10 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
static bool
intel_dp_get_link_status(struct intel_dp *intel_dp)
{
- int ret;
-
- ret = intel_dp_aux_native_read(intel_dp,
- DP_LANE0_1_STATUS,
- intel_dp->link_status, DP_LINK_STATUS_SIZE);
- if (ret != DP_LINK_STATUS_SIZE)
- return false;
- return true;
+ return intel_dp_aux_native_read_retry(intel_dp,
+ DP_LANE0_1_STATUS,
+ intel_dp->link_status,
+ DP_LINK_STATUS_SIZE);
}
static uint8_t
@@ -1515,6 +1570,8 @@ intel_dp_link_down(struct intel_dp *intel_dp)
static void
intel_dp_check_link_status(struct intel_dp *intel_dp)
{
+ int ret;
+
if (!intel_dp->base.base.crtc)
return;
@@ -1523,6 +1580,15 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
return;
}
+ /* Try to read receiver status if the link appears to be up */
+ ret = intel_dp_aux_native_read(intel_dp,
+ 0x000, intel_dp->dpcd,
+ sizeof (intel_dp->dpcd));
+ if (ret != sizeof(intel_dp->dpcd)) {
+ intel_dp_link_down(intel_dp);
+ return;
+ }
+
if (!intel_channel_eq_ok(intel_dp)) {
intel_dp_start_link_train(intel_dp);
intel_dp_complete_link_train(intel_dp);
@@ -1533,6 +1599,7 @@ static enum drm_connector_status
ironlake_dp_detect(struct intel_dp *intel_dp)
{
enum drm_connector_status status;
+ bool ret;
/* Can't disconnect eDP, but you can close the lid... */
if (is_edp(intel_dp)) {
@@ -1543,13 +1610,11 @@ ironlake_dp_detect(struct intel_dp *intel_dp)
}
status = connector_status_disconnected;
- if (intel_dp_aux_native_read(intel_dp,
- 0x000, intel_dp->dpcd,
- sizeof (intel_dp->dpcd))
- == sizeof(intel_dp->dpcd)) {
- if (intel_dp->dpcd[0] != 0)
- status = connector_status_connected;
- }
+ ret = intel_dp_aux_native_read_retry(intel_dp,
+ 0x000, intel_dp->dpcd,
+ sizeof (intel_dp->dpcd));
+ if (ret && intel_dp->dpcd[DP_DPCD_REV] != 0)
+ status = connector_status_connected;
DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx\n", intel_dp->dpcd[0],
intel_dp->dpcd[1], intel_dp->dpcd[2], intel_dp->dpcd[3]);
return status;
@@ -1586,7 +1651,7 @@ g4x_dp_detect(struct intel_dp *intel_dp)
if (intel_dp_aux_native_read(intel_dp, 0x000, intel_dp->dpcd,
sizeof (intel_dp->dpcd)) == sizeof (intel_dp->dpcd))
{
- if (intel_dp->dpcd[0] != 0)
+ if (intel_dp->dpcd[DP_DPCD_REV] != 0)
status = connector_status_connected;
}
@@ -1790,8 +1855,7 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder)
{
struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
- if (intel_dp->dpms_mode == DRM_MODE_DPMS_ON)
- intel_dp_check_link_status(intel_dp);
+ intel_dp_check_link_status(intel_dp);
}
/* Return which DP Port should be selected for Transcoder DP control */
@@ -1859,7 +1923,6 @@ intel_dp_init(struct drm_device *dev, int output_reg)
return;
intel_dp->output_reg = output_reg;
- intel_dp->dpms_mode = -1;
intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
if (!intel_connector) {
@@ -1954,8 +2017,9 @@ intel_dp_init(struct drm_device *dev, int output_reg)
sizeof(intel_dp->dpcd));
ironlake_edp_panel_vdd_off(intel_dp);
if (ret == sizeof(intel_dp->dpcd)) {
- if (intel_dp->dpcd[0] >= 0x11)
- dev_priv->no_aux_handshake = intel_dp->dpcd[3] &
+ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
+ dev_priv->no_aux_handshake =
+ intel_dp->dpcd[DP_MAX_DOWNSPREAD] &
DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
} else {
/* if this fails, presume the device is a ghost */
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index c0e0ee6..39ac2b6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -165,7 +165,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring);
int __must_check intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n);
static inline int intel_wait_ring_idle(struct intel_ring_buffer *ring)
{
- return intel_wait_ring_buffer(ring, ring->space - 8);
+ return intel_wait_ring_buffer(ring, ring->size - 8);
}
int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 660f964..15bd047 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2000,7 +2000,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
gb_backend_map = 0x66442200;
break;
case CHIP_JUNIPER:
- gb_backend_map = 0x00006420;
+ gb_backend_map = 0x00002200;
break;
default:
gb_backend_map =
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c
index 57f3bc1..2eb2518 100644
--- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c
+++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c
@@ -252,7 +252,7 @@ draw_auto(struct radeon_device *rdev)
}
-/* emits 36 */
+/* emits 39 */
static void
set_default_state(struct radeon_device *rdev)
{
@@ -531,6 +531,11 @@ set_default_state(struct radeon_device *rdev)
radeon_ring_write(rdev, (SQ_DYN_GPR_CNTL_PS_FLUSH_REQ - PACKET3_SET_CONFIG_REG_START) >> 2);
radeon_ring_write(rdev, 0);
+ /* setup LDS */
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(rdev, (SQ_LDS_RESOURCE_MGMT - PACKET3_SET_CONFIG_REG_START) >> 2);
+ radeon_ring_write(rdev, 0x10001000);
+
/* SQ config */
radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 11));
radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_START) >> 2);
@@ -773,7 +778,7 @@ int evergreen_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
/* calculate number of loops correctly */
ring_size = num_loops * dwords_per_loop;
/* set default + shaders */
- ring_size += 52; /* shaders + def state */
+ ring_size += 55; /* shaders + def state */
ring_size += 10; /* fence emit for VB IB */
ring_size += 5; /* done copy */
ring_size += 10; /* fence emit for done copy */
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 3fc5fa1..229a20f 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -331,7 +331,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev)
seprom_cntl1 = RREG32(RADEON_SEPROM_CNTL1);
viph_control = RREG32(RADEON_VIPH_CONTROL);
- bus_cntl = RREG32(RADEON_BUS_CNTL);
+ bus_cntl = RREG32(RV370_BUS_CNTL);
d1vga_control = RREG32(AVIVO_D1VGA_CONTROL);
d2vga_control = RREG32(AVIVO_D2VGA_CONTROL);
vga_render_control = RREG32(AVIVO_VGA_RENDER_CONTROL);
@@ -350,7 +350,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev)
WREG32(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN));
/* enable the rom */
- WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM));
+ WREG32(RV370_BUS_CNTL, (bus_cntl & ~RV370_BUS_BIOS_DIS_ROM));
/* Disable VGA mode */
WREG32(AVIVO_D1VGA_CONTROL,
@@ -367,7 +367,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev)
/* restore regs */
WREG32(RADEON_SEPROM_CNTL1, seprom_cntl1);
WREG32(RADEON_VIPH_CONTROL, viph_control);
- WREG32(RADEON_BUS_CNTL, bus_cntl);
+ WREG32(RV370_BUS_CNTL, bus_cntl);
WREG32(AVIVO_D1VGA_CONTROL, d1vga_control);
WREG32(AVIVO_D2VGA_CONTROL, d2vga_control);
WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control);
@@ -390,7 +390,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev)
seprom_cntl1 = RREG32(RADEON_SEPROM_CNTL1);
viph_control = RREG32(RADEON_VIPH_CONTROL);
- bus_cntl = RREG32(RADEON_BUS_CNTL);
+ if (rdev->flags & RADEON_IS_PCIE)
+ bus_cntl = RREG32(RV370_BUS_CNTL);
+ else
+ bus_cntl = RREG32(RADEON_BUS_CNTL);
crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
crtc2_gen_cntl = 0;
crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
@@ -412,7 +415,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev)
WREG32(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN));
/* enable the rom */
- WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM));
+ if (rdev->flags & RADEON_IS_PCIE)
+ WREG32(RV370_BUS_CNTL, (bus_cntl & ~RV370_BUS_BIOS_DIS_ROM));
+ else
+ WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM));
/* Turn off mem requests and CRTC for both controllers */
WREG32(RADEON_CRTC_GEN_CNTL,
@@ -439,7 +445,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev)
/* restore regs */
WREG32(RADEON_SEPROM_CNTL1, seprom_cntl1);
WREG32(RADEON_VIPH_CONTROL, viph_control);
- WREG32(RADEON_BUS_CNTL, bus_cntl);
+ if (rdev->flags & RADEON_IS_PCIE)
+ WREG32(RV370_BUS_CNTL, bus_cntl);
+ else
+ WREG32(RADEON_BUS_CNTL, bus_cntl);
WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);
if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index cbfca3a..9792d4f 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -52,6 +52,12 @@ void radeon_connector_hotplug(struct drm_connector *connector)
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ /* bail if the connector does not have hpd pin, e.g.,
+ * VGA, TV, etc.
+ */
+ if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
+ return;
+
radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
/* powering up/down the eDP panel generates hpd events which
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index ec93a75..bc44a3d 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -300,6 +300,8 @@
# define RADEON_BUS_READ_BURST (1 << 30)
#define RADEON_BUS_CNTL1 0x0034
# define RADEON_BUS_WAIT_ON_LOCK_EN (1 << 4)
+#define RV370_BUS_CNTL 0x004c
+# define RV370_BUS_BIOS_DIS_ROM (1 << 2)
/* rv370/rv380, rv410, r423/r430/r480, r5xx */
#define RADEON_MSI_REARM_EN 0x0160
# define RV370_MSI_REARM_EN (1 << 0)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 6e3b11e..1f5850e 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -426,7 +426,7 @@ int rs600_gart_init(struct radeon_device *rdev)
return radeon_gart_table_vram_alloc(rdev);
}
-int rs600_gart_enable(struct radeon_device *rdev)
+static int rs600_gart_enable(struct radeon_device *rdev)
{
u32 tmp;
int r, i;
@@ -440,8 +440,8 @@ int rs600_gart_enable(struct radeon_device *rdev)
return r;
radeon_gart_restore(rdev);
/* Enable bus master */
- tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS;
- WREG32(R_00004C_BUS_CNTL, tmp);
+ tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
+ WREG32(RADEON_BUS_CNTL, tmp);
/* FIXME: setup default page */
WREG32_MC(R_000100_MC_PT0_CNTL,
(S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
diff --git a/drivers/hwmon/adm1275.c b/drivers/hwmon/adm1275.c
index b9b7caf..8bc1bd6 100644
--- a/drivers/hwmon/adm1275.c
+++ b/drivers/hwmon/adm1275.c
@@ -53,23 +53,23 @@ static int adm1275_probe(struct i2c_client *client,
info->direct[PSC_VOLTAGE_IN] = true;
info->direct[PSC_VOLTAGE_OUT] = true;
info->direct[PSC_CURRENT_OUT] = true;
- info->m[PSC_CURRENT_OUT] = 800;
+ info->m[PSC_CURRENT_OUT] = 807;
info->b[PSC_CURRENT_OUT] = 20475;
info->R[PSC_CURRENT_OUT] = -1;
info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
if (config & ADM1275_VRANGE) {
- info->m[PSC_VOLTAGE_IN] = 19045;
+ info->m[PSC_VOLTAGE_IN] = 19199;
info->b[PSC_VOLTAGE_IN] = 0;
info->R[PSC_VOLTAGE_IN] = -2;
- info->m[PSC_VOLTAGE_OUT] = 19045;
+ info->m[PSC_VOLTAGE_OUT] = 19199;
info->b[PSC_VOLTAGE_OUT] = 0;
info->R[PSC_VOLTAGE_OUT] = -2;
} else {
- info->m[PSC_VOLTAGE_IN] = 6666;
+ info->m[PSC_VOLTAGE_IN] = 6720;
info->b[PSC_VOLTAGE_IN] = 0;
info->R[PSC_VOLTAGE_IN] = -1;
- info->m[PSC_VOLTAGE_OUT] = 6666;
+ info->m[PSC_VOLTAGE_OUT] = 6720;
info->b[PSC_VOLTAGE_OUT] = 0;
info->R[PSC_VOLTAGE_OUT] = -1;
}
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index dcb78a7..00e9851 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -674,6 +674,7 @@ static int atk_debugfs_gitm_get(void *p, u64 *val)
else
err = -EIO;
+ ACPI_FREE(ret);
return err;
}
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index bb6405b..5f52477 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -1538,7 +1538,7 @@ static struct attribute *it87_attributes_label[] = {
};
static const struct attribute_group it87_group_label = {
- .attrs = it87_attributes_vid,
+ .attrs = it87_attributes_label,
};
/* SuperIO detection - will change isa_address if a chip is found */
diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c
index 12a54aa..14335bb 100644
--- a/drivers/hwmon/max1111.c
+++ b/drivers/hwmon/max1111.c
@@ -40,6 +40,8 @@ struct max1111_data {
struct spi_transfer xfer[2];
uint8_t *tx_buf;
uint8_t *rx_buf;
+ struct mutex drvdata_lock;
+ /* protect msg, xfer and buffers from multiple access */
};
static int max1111_read(struct device *dev, int channel)
@@ -48,6 +50,9 @@ static int max1111_read(struct device *dev, int channel)
uint8_t v1, v2;
int err;
+ /* writing to drvdata struct is not thread safe, wait on mutex */
+ mutex_lock(&data->drvdata_lock);
+
data->tx_buf[0] = (channel << MAX1111_CTRL_SEL_SH) |
MAX1111_CTRL_PD0 | MAX1111_CTRL_PD1 |
MAX1111_CTRL_SGL | MAX1111_CTRL_UNI | MAX1111_CTRL_STR;
@@ -55,12 +60,15 @@ static int max1111_read(struct device *dev, int channel)
err = spi_sync(data->spi, &data->msg);
if (err < 0) {
dev_err(dev, "spi_sync failed with %d\n", err);
+ mutex_unlock(&data->drvdata_lock);
return err;
}
v1 = data->rx_buf[0];
v2 = data->rx_buf[1];
+ mutex_unlock(&data->drvdata_lock);
+
if ((v1 & 0xc0) || (v2 & 0x3f))
return -EINVAL;
@@ -176,6 +184,8 @@ static int __devinit max1111_probe(struct spi_device *spi)
if (err)
goto err_free_data;
+ mutex_init(&data->drvdata_lock);
+
data->spi = spi;
spi_set_drvdata(spi, data);
@@ -213,6 +223,7 @@ static int __devexit max1111_remove(struct spi_device *spi)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group);
+ mutex_destroy(&data->drvdata_lock);
kfree(data->rx_buf);
kfree(data->tx_buf);
kfree(data);
diff --git a/drivers/hwmon/pmbus_core.c b/drivers/hwmon/pmbus_core.c
index 744672c..8e31a8e 100644
--- a/drivers/hwmon/pmbus_core.c
+++ b/drivers/hwmon/pmbus_core.c
@@ -362,8 +362,8 @@ static struct pmbus_data *pmbus_update_device(struct device *dev)
* Convert linear sensor values to milli- or micro-units
* depending on sensor type.
*/
-static int pmbus_reg2data_linear(struct pmbus_data *data,
- struct pmbus_sensor *sensor)
+static long pmbus_reg2data_linear(struct pmbus_data *data,
+ struct pmbus_sensor *sensor)
{
s16 exponent;
s32 mantissa;
@@ -397,15 +397,15 @@ static int pmbus_reg2data_linear(struct pmbus_data *data,
else
val >>= -exponent;
- return (int)val;
+ return val;
}
/*
* Convert direct sensor values to milli- or micro-units
* depending on sensor type.
*/
-static int pmbus_reg2data_direct(struct pmbus_data *data,
- struct pmbus_sensor *sensor)
+static long pmbus_reg2data_direct(struct pmbus_data *data,
+ struct pmbus_sensor *sensor)
{
long val = (s16) sensor->data;
long m, b, R;
@@ -440,12 +440,12 @@ static int pmbus_reg2data_direct(struct pmbus_data *data,
R++;
}
- return (int)((val - b) / m);
+ return (val - b) / m;
}
-static int pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
+static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
{
- int val;
+ long val;
if (data->info->direct[sensor->class])
val = pmbus_reg2data_direct(data, sensor);
@@ -619,7 +619,7 @@ static int pmbus_get_boolean(struct pmbus_data *data, int index, int *val)
if (!s1 && !s2)
*val = !!regval;
else {
- int v1, v2;
+ long v1, v2;
struct pmbus_sensor *sensor1, *sensor2;
sensor1 = &data->sensors[s1];
@@ -661,7 +661,7 @@ static ssize_t pmbus_show_sensor(struct device *dev,
if (sensor->data < 0)
return sensor->data;
- return snprintf(buf, PAGE_SIZE, "%d\n", pmbus_reg2data(data, sensor));
+ return snprintf(buf, PAGE_SIZE, "%ld\n", pmbus_reg2data(data, sensor));
}
static ssize_t pmbus_set_sensor(struct device *dev,
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index bed7bfe..efe9c30 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1989,6 +1989,14 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) {
if ((ret = fe->ops.ts_bus_ctrl(fe, 1)) < 0)
goto err0;
+
+ /* If we took control of the bus, we need to force
+ reinitialization. This is because many ts_bus_ctrl()
+ functions strobe the RESET pin on the demod, and if the
+ frontend thread already exists then the dvb_init() routine
+ won't get called (which is what usually does initial
+ register configuration). */
+ fepriv->reinitialise = 1;
}
if ((ret = dvb_generic_open (inode, file)) < 0)
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index e4c97fd..52798a1 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -168,7 +168,7 @@ config RADIO_MAXIRADIO
config RADIO_MIROPCM20
tristate "miroSOUND PCM20 radio"
- depends on ISA && VIDEO_V4L2 && SND
+ depends on ISA && ISA_DMA_API && VIDEO_V4L2 && SND
select SND_ISA
select SND_MIRO
---help---
@@ -201,7 +201,7 @@ config RADIO_SF16FMI
config RADIO_SF16FMR2
tristate "SF16FMR2 Radio"
- depends on ISA && VIDEO_V4L2
+ depends on ISA && VIDEO_V4L2 && SND
---help---
Choose Y here if you have one of these FM radio cards.
diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c
index deca2e0..c9f4a8e6 100644
--- a/drivers/media/radio/si4713-i2c.c
+++ b/drivers/media/radio/si4713-i2c.c
@@ -1033,7 +1033,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
char ps_name[MAX_RDS_PS_NAME + 1];
len = control->size - 1;
- if (len > MAX_RDS_PS_NAME) {
+ if (len < 0 || len > MAX_RDS_PS_NAME) {
rval = -ERANGE;
goto exit;
}
@@ -1057,7 +1057,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
char radio_text[MAX_RDS_RADIO_TEXT + 1];
len = control->size - 1;
- if (len > MAX_RDS_RADIO_TEXT) {
+ if (len < 0 || len > MAX_RDS_RADIO_TEXT) {
rval = -ERANGE;
goto exit;
}
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index b4dcb0f..85ff9a1 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -558,9 +558,10 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
inout, data1);
break;
case MCE_CMD_S_TIMEOUT:
- /* value is in units of 50us, so x*50/100 or x/2 ms */
+ /* value is in units of 50us, so x*50/1000 ms */
dev_info(dev, "%s receive timeout of %d ms\n",
- inout, ((data1 << 8) | data2) / 2);
+ inout,
+ ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000);
break;
case MCE_CMD_G_TIMEOUT:
dev_info(dev, "Get receive timeout\n");
@@ -845,7 +846,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index)
switch (ir->buf_in[index]) {
/* 2-byte return value commands */
case MCE_CMD_S_TIMEOUT:
- ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2);
+ ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT);
break;
/* 1-byte return value commands */
@@ -1076,7 +1077,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
rc->priv = ir;
rc->driver_type = RC_DRIVER_IR_RAW;
rc->allowed_protos = RC_TYPE_ALL;
- rc->timeout = US_TO_NS(1000);
+ rc->timeout = MS_TO_NS(100);
if (!ir->flags.no_tx) {
rc->s_tx_mask = mceusb_set_tx_mask;
rc->s_tx_carrier = mceusb_set_tx_carrier;
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 3f3c457..eae05b5 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -1104,7 +1104,7 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
rdev->dev.parent = &pdev->dev;
rdev->driver_name = NVT_DRIVER_NAME;
rdev->map_name = RC_MAP_RC6_MCE;
- rdev->timeout = US_TO_NS(1000);
+ rdev->timeout = MS_TO_NS(100);
/* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */
rdev->rx_resolution = US_TO_NS(CIR_SAMPLE_PERIOD);
#if 0
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 0b44255..ee41a88 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -2061,12 +2061,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
goto fail_irq;
}
- if (!pci_enable_msi(pci_dev))
- err = request_irq(pci_dev->irq, cx23885_irq,
- IRQF_DISABLED, dev->name, dev);
- else
- err = request_irq(pci_dev->irq, cx23885_irq,
- IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+ err = request_irq(pci_dev->irq, cx23885_irq,
+ IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
if (err < 0) {
printk(KERN_ERR "%s: can't get IRQ %d\n",
dev->name, pci_dev->irq);
@@ -2115,7 +2111,6 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
/* unregister stuff */
free_irq(pci_dev->irq, dev);
- pci_disable_msi(pci_dev);
cx23885_dev_unregister(dev);
v4l2_device_unregister(v4l2_dev);
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 706fc11..11cc980 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -732,10 +732,19 @@ static int tuner_remove(struct i2c_client *client)
* returns 0.
* This function is needed for boards that have a separate tuner for
* radio (like devices with tea5767).
+ * NOTE: mt20xx uses V4L2_TUNER_DIGITAL_TV and calls set_tv_freq to
+ * select a TV frequency. So, t_mode = T_ANALOG_TV could actually
+ * be used to represent a Digital TV too.
*/
static inline int check_mode(struct tuner *t, enum v4l2_tuner_type mode)
{
- if ((1 << mode & t->mode_mask) == 0)
+ int t_mode;
+ if (mode == V4L2_TUNER_RADIO)
+ t_mode = T_RADIO;
+ else
+ t_mode = T_ANALOG_TV;
+
+ if ((t_mode & t->mode_mask) == 0)
return -EINVAL;
return 0;
@@ -1002,7 +1011,7 @@ static void tuner_status(struct dvb_frontend *fe)
case V4L2_TUNER_RADIO:
p = "radio";
break;
- case V4L2_TUNER_DIGITAL_TV:
+ case V4L2_TUNER_DIGITAL_TV: /* Used by mt20xx */
p = "digital TV";
break;
case V4L2_TUNER_ANALOG_TV:
@@ -1153,9 +1162,8 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
return 0;
if (vt->type == t->mode && analog_ops->get_afc)
vt->afc = analog_ops->get_afc(&t->fe);
- if (vt->type == V4L2_TUNER_ANALOG_TV)
+ if (t->mode != V4L2_TUNER_RADIO) {
vt->capability |= V4L2_TUNER_CAP_NORM;
- if (vt->type != V4L2_TUNER_RADIO) {
vt->rangelow = tv_range[0] * 16;
vt->rangehigh = tv_range[1] * 16;
return 0;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 2a7e43b..aa7d1d7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -247,12 +247,12 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
return 0;
/* Version is coded in the CSD_STRUCTURE byte in the EXT_CSD register */
+ card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE];
if (card->csd.structure == 3) {
- int ext_csd_struct = ext_csd[EXT_CSD_STRUCTURE];
- if (ext_csd_struct > 2) {
+ if (card->ext_csd.raw_ext_csd_structure > 2) {
printk(KERN_ERR "%s: unrecognised EXT_CSD structure "
"version %d\n", mmc_hostname(card->host),
- ext_csd_struct);
+ card->ext_csd.raw_ext_csd_structure);
err = -EINVAL;
goto out;
}
@@ -266,6 +266,10 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
goto out;
}
+ card->ext_csd.raw_sectors[0] = ext_csd[EXT_CSD_SEC_CNT + 0];
+ card->ext_csd.raw_sectors[1] = ext_csd[EXT_CSD_SEC_CNT + 1];
+ card->ext_csd.raw_sectors[2] = ext_csd[EXT_CSD_SEC_CNT + 2];
+ card->ext_csd.raw_sectors[3] = ext_csd[EXT_CSD_SEC_CNT + 3];
if (card->ext_csd.rev >= 2) {
card->ext_csd.sectors =
ext_csd[EXT_CSD_SEC_CNT + 0] << 0 |
@@ -277,7 +281,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512)
mmc_card_set_blockaddr(card);
}
-
+ card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE];
switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) {
case EXT_CSD_CARD_TYPE_DDR_52 | EXT_CSD_CARD_TYPE_52 |
EXT_CSD_CARD_TYPE_26:
@@ -307,6 +311,11 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
mmc_hostname(card->host));
}
+ card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT];
+ card->ext_csd.raw_erase_timeout_mult =
+ ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT];
+ card->ext_csd.raw_hc_erase_grp_size =
+ ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE];
if (card->ext_csd.rev >= 3) {
u8 sa_shift = ext_csd[EXT_CSD_S_A_TIMEOUT];
card->ext_csd.part_config = ext_csd[EXT_CSD_PART_CONFIG];
@@ -334,6 +343,16 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
card->ext_csd.boot_size = ext_csd[EXT_CSD_BOOT_MULT] << 17;
}
+ card->ext_csd.raw_hc_erase_gap_size =
+ ext_csd[EXT_CSD_PARTITION_ATTRIBUTE];
+ card->ext_csd.raw_sec_trim_mult =
+ ext_csd[EXT_CSD_SEC_TRIM_MULT];
+ card->ext_csd.raw_sec_erase_mult =
+ ext_csd[EXT_CSD_SEC_ERASE_MULT];
+ card->ext_csd.raw_sec_feature_support =
+ ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];
+ card->ext_csd.raw_trim_mult =
+ ext_csd[EXT_CSD_TRIM_MULT];
if (card->ext_csd.rev >= 4) {
/*
* Enhanced area feature support -- check whether the eMMC
@@ -341,7 +360,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
* area offset and size to user by adding sysfs interface.
*/
if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) &&
- (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
+ (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
u8 hc_erase_grp_sz =
ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE];
u8 hc_wp_grp_sz =
@@ -401,17 +420,17 @@ static inline void mmc_free_ext_csd(u8 *ext_csd)
}
-static int mmc_compare_ext_csds(struct mmc_card *card, u8 *ext_csd,
- unsigned bus_width)
+static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
{
u8 *bw_ext_csd;
int err;
+ if (bus_width == MMC_BUS_WIDTH_1)
+ return 0;
+
err = mmc_get_ext_csd(card, &bw_ext_csd);
- if (err)
- return err;
- if ((ext_csd == NULL || bw_ext_csd == NULL)) {
+ if (err || bw_ext_csd == NULL) {
if (bus_width != MMC_BUS_WIDTH_1)
err = -EINVAL;
goto out;
@@ -421,35 +440,40 @@ static int mmc_compare_ext_csds(struct mmc_card *card, u8 *ext_csd,
goto out;
/* only compare read only fields */
- err = (!(ext_csd[EXT_CSD_PARTITION_SUPPORT] ==
+ err = (!(card->ext_csd.raw_partition_support ==
bw_ext_csd[EXT_CSD_PARTITION_SUPPORT]) &&
- (ext_csd[EXT_CSD_ERASED_MEM_CONT] ==
+ (card->ext_csd.raw_erased_mem_count ==
bw_ext_csd[EXT_CSD_ERASED_MEM_CONT]) &&
- (ext_csd[EXT_CSD_REV] ==
+ (card->ext_csd.rev ==
bw_ext_csd[EXT_CSD_REV]) &&
- (ext_csd[EXT_CSD_STRUCTURE] ==
+ (card->ext_csd.raw_ext_csd_structure ==
bw_ext_csd[EXT_CSD_STRUCTURE]) &&
- (ext_csd[EXT_CSD_CARD_TYPE] ==
+ (card->ext_csd.raw_card_type ==
bw_ext_csd[EXT_CSD_CARD_TYPE]) &&
- (ext_csd[EXT_CSD_S_A_TIMEOUT] ==
+ (card->ext_csd.raw_s_a_timeout ==
bw_ext_csd[EXT_CSD_S_A_TIMEOUT]) &&
- (ext_csd[EXT_CSD_HC_WP_GRP_SIZE] ==
+ (card->ext_csd.raw_hc_erase_gap_size ==
bw_ext_csd[EXT_CSD_HC_WP_GRP_SIZE]) &&
- (ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] ==
+ (card->ext_csd.raw_erase_timeout_mult ==
bw_ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT]) &&
- (ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] ==
+ (card->ext_csd.raw_hc_erase_grp_size ==
bw_ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]) &&
- (ext_csd[EXT_CSD_SEC_TRIM_MULT] ==
+ (card->ext_csd.raw_sec_trim_mult ==
bw_ext_csd[EXT_CSD_SEC_TRIM_MULT]) &&
- (ext_csd[EXT_CSD_SEC_ERASE_MULT] ==
+ (card->ext_csd.raw_sec_erase_mult ==
bw_ext_csd[EXT_CSD_SEC_ERASE_MULT]) &&
- (ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT] ==
+ (card->ext_csd.raw_sec_feature_support ==
bw_ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT]) &&
- (ext_csd[EXT_CSD_TRIM_MULT] ==
+ (card->ext_csd.raw_trim_mult ==
bw_ext_csd[EXT_CSD_TRIM_MULT]) &&
- memcmp(&ext_csd[EXT_CSD_SEC_CNT],
- &bw_ext_csd[EXT_CSD_SEC_CNT],
- 4) != 0);
+ (card->ext_csd.raw_sectors[0] ==
+ bw_ext_csd[EXT_CSD_SEC_CNT + 0]) &&
+ (card->ext_csd.raw_sectors[1] ==
+ bw_ext_csd[EXT_CSD_SEC_CNT + 1]) &&
+ (card->ext_csd.raw_sectors[2] ==
+ bw_ext_csd[EXT_CSD_SEC_CNT + 2]) &&
+ (card->ext_csd.raw_sectors[3] ==
+ bw_ext_csd[EXT_CSD_SEC_CNT + 3]));
if (err)
err = -EINVAL;
@@ -770,7 +794,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
*/
if (!(host->caps & MMC_CAP_BUS_WIDTH_TEST))
err = mmc_compare_ext_csds(card,
- ext_csd,
bus_width);
else
err = mmc_bus_test(card, bus_width);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index eafe44a..63c22b0 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1428,9 +1428,9 @@ out:
return features;
}
-#define BOND_VLAN_FEATURES (NETIF_F_ALL_TX_OFFLOADS | \
- NETIF_F_SOFT_FEATURES | \
- NETIF_F_LRO)
+#define BOND_VLAN_FEATURES (NETIF_F_ALL_CSUM | NETIF_F_SG | \
+ NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
+ NETIF_F_HIGHDMA | NETIF_F_LRO)
static void bond_compute_features(struct bonding *bond)
{
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 2dfcc80..dfa55f9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -2289,6 +2289,23 @@ static int gfar_set_mac_address(struct net_device *dev)
return 0;
}
+/* Check if rx parser should be activated */
+void gfar_check_rx_parser_mode(struct gfar_private *priv)
+{
+ struct gfar __iomem *regs;
+ u32 tempval;
+
+ regs = priv->gfargrp[0].regs;
+
+ tempval = gfar_read(&regs->rctrl);
+ /* If parse is no longer required, then disable parser */
+ if (tempval & RCTRL_REQ_PARSER)
+ tempval |= RCTRL_PRSDEP_INIT;
+ else
+ tempval &= ~RCTRL_PRSDEP_INIT;
+ gfar_write(&regs->rctrl, tempval);
+}
+
/* Enables and disables VLAN insertion/extraction */
static void gfar_vlan_rx_register(struct net_device *dev,
@@ -2325,12 +2342,9 @@ static void gfar_vlan_rx_register(struct net_device *dev,
/* Disable VLAN tag extraction */
tempval = gfar_read(&regs->rctrl);
tempval &= ~RCTRL_VLEX;
- /* If parse is no longer required, then disable parser */
- if (tempval & RCTRL_REQ_PARSER)
- tempval |= RCTRL_PRSDEP_INIT;
- else
- tempval &= ~RCTRL_PRSDEP_INIT;
gfar_write(&regs->rctrl, tempval);
+
+ gfar_check_rx_parser_mode(priv);
}
gfar_change_mtu(dev, dev->mtu);
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index ba36dc7..440e69d 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -274,7 +274,7 @@ extern const char gfar_driver_version[];
#define RCTRL_PROM 0x00000008
#define RCTRL_EMEN 0x00000002
#define RCTRL_REQ_PARSER (RCTRL_VLEX | RCTRL_IPCSEN | \
- RCTRL_TUCSEN)
+ RCTRL_TUCSEN | RCTRL_FILREN)
#define RCTRL_CHECKSUMMING (RCTRL_IPCSEN | RCTRL_TUCSEN | \
RCTRL_PRSDEP_INIT)
#define RCTRL_EXTHASH (RCTRL_GHTX)
@@ -1156,6 +1156,7 @@ extern void gfar_configure_coalescing(struct gfar_private *priv,
unsigned long tx_mask, unsigned long rx_mask);
void gfar_init_sysfs(struct net_device *dev);
int gfar_set_features(struct net_device *dev, u32 features);
+extern void gfar_check_rx_parser_mode(struct gfar_private *priv);
extern const struct ethtool_ops gfar_ethtool_ops;
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 8f8b65a..60f46bc 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -140,7 +140,7 @@ MODULE_LICENSE("GPL");
module_param(mtu, int, 0);
module_param(debug, int, 0);
module_param(rx_copybreak, int, 0);
-module_param(dspcfg_workaround, int, 1);
+module_param(dspcfg_workaround, int, 0);
module_param_array(options, int, NULL, 0);
module_param_array(full_duplex, int, NULL, 0);
MODULE_PARM_DESC(mtu, "DP8381x MTU (all boards)");
@@ -2028,8 +2028,8 @@ static void drain_rx(struct net_device *dev)
np->rx_ring[i].cmd_status = 0;
np->rx_ring[i].addr = cpu_to_le32(0xBADF00D0); /* An invalid address. */
if (np->rx_skbuff[i]) {
- pci_unmap_single(np->pci_dev,
- np->rx_dma[i], buflen,
+ pci_unmap_single(np->pci_dev, np->rx_dma[i],
+ buflen + NATSEMI_PADDING,
PCI_DMA_FROMDEVICE);
dev_kfree_skb(np->rx_skbuff[i]);
}
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 718879b..bc9a4bb 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -348,8 +348,9 @@ static int pppoe_device_event(struct notifier_block *this,
/* Only look at sockets that are using this specific device. */
switch (event) {
+ case NETDEV_CHANGEADDR:
case NETDEV_CHANGEMTU:
- /* A change in mtu is a bad thing, requiring
+ /* A change in mtu or address is a bad thing, requiring
* LCP re-negotiation.
*/
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 200a363..0ffec46 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -677,9 +677,11 @@ static irqreturn_t r6040_interrupt(int irq, void *dev_id)
if (status & RX_FIFO_FULL)
dev->stats.rx_fifo_errors++;
- /* Mask off RX interrupt */
- misr &= ~RX_INTS;
- napi_schedule(&lp->napi);
+ if (likely(napi_schedule_prep(&lp->napi))) {
+ /* Mask off RX interrupt */
+ misr &= ~RX_INTS;
+ __napi_schedule(&lp->napi);
+ }
}
/* TX interrupt request */
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 8ec1a9a..2f110fb 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -182,11 +182,11 @@ static int sl_alloc_bufs(struct slip *sl, int mtu)
#ifdef SL_INCLUDE_CSLIP
cbuff = xchg(&sl->cbuff, cbuff);
slcomp = xchg(&sl->slcomp, slcomp);
+#endif
#ifdef CONFIG_SLIP_MODE_SLIP6
sl->xdata = 0;
sl->xbits = 0;
#endif
-#endif
spin_unlock_bh(&sl->lock);
err = 0;
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index 4685127..9a21ca3 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -879,7 +879,6 @@ static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
txptr = db->tx_remove_ptr;
while(db->tx_packet_cnt) {
tdes0 = le32_to_cpu(txptr->tdes0);
- pr_debug("tdes0=%x\n", tdes0);
if (tdes0 & 0x80000000)
break;
@@ -889,7 +888,6 @@ static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
/* Transmit statistic counter */
if ( tdes0 != 0x7fffffff ) {
- pr_debug("tdes0=%x\n", tdes0);
dev->stats.collisions += (tdes0 >> 3) & 0xf;
dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
if (tdes0 & TDES0_ERR_MASK) {
@@ -986,7 +984,6 @@ static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
/* error summary bit check */
if (rdes0 & 0x8000) {
/* This is a error packet */
- pr_debug("rdes0: %x\n", rdes0);
dev->stats.rx_errors++;
if (rdes0 & 1)
dev->stats.rx_fifo_errors++;
@@ -1638,7 +1635,6 @@ static u8 dmfe_sense_speed(struct dmfe_board_info * db)
else /* DM9102/DM9102A */
phy_mode = phy_read(db->ioaddr,
db->phy_addr, 17, db->chip_id) & 0xf000;
- pr_debug("Phy_mode %x\n", phy_mode);
switch (phy_mode) {
case 0x1000: db->op_mode = DMFE_10MHF; break;
case 0x2000: db->op_mode = DMFE_10MFD; break;
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 387ca43..304fe78 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2421,10 +2421,8 @@ static void hso_free_net_device(struct hso_device *hso_dev)
remove_net_device(hso_net->parent);
- if (hso_net->net) {
+ if (hso_net->net)
unregister_netdev(hso_net->net);
- free_netdev(hso_net->net);
- }
/* start freeing */
for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
@@ -2436,6 +2434,9 @@ static void hso_free_net_device(struct hso_device *hso_dev)
kfree(hso_net->mux_bulk_tx_buf);
hso_net->mux_bulk_tx_buf = NULL;
+ if (hso_net->net)
+ free_netdev(hso_net->net);
+
kfree(hso_dev);
}
diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c
index 296c316..f2c0c23 100644
--- a/drivers/net/wireless/ath/ath5k/pci.c
+++ b/drivers/net/wireless/ath/ath5k/pci.c
@@ -297,7 +297,9 @@ ath5k_pci_remove(struct pci_dev *pdev)
#ifdef CONFIG_PM_SLEEP
static int ath5k_pci_suspend(struct device *dev)
{
- struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev));
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct ath5k_softc *sc = hw->priv;
ath5k_led_off(sc);
return 0;
@@ -306,7 +308,8 @@ static int ath5k_pci_suspend(struct device *dev)
static int ath5k_pci_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
- struct ath5k_softc *sc = pci_get_drvdata(pdev);
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct ath5k_softc *sc = hw->priv;
/*
* Suspend/Resume resets the PCI configuration space, so we have to
diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c
index 929c68c..a073cdc 100644
--- a/drivers/net/wireless/ath/ath5k/sysfs.c
+++ b/drivers/net/wireless/ath/ath5k/sysfs.c
@@ -10,7 +10,8 @@ static ssize_t ath5k_attr_show_##name(struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
- struct ath5k_softc *sc = dev_get_drvdata(dev); \
+ struct ieee80211_hw *hw = dev_get_drvdata(dev); \
+ struct ath5k_softc *sc = hw->priv; \
return snprintf(buf, PAGE_SIZE, "%d\n", get); \
} \
\
@@ -18,7 +19,8 @@ static ssize_t ath5k_attr_store_##name(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
- struct ath5k_softc *sc = dev_get_drvdata(dev); \
+ struct ieee80211_hw *hw = dev_get_drvdata(dev); \
+ struct ath5k_softc *sc = hw->priv; \
int val; \
\
val = (int)simple_strtoul(buf, NULL, 10); \
@@ -33,7 +35,8 @@ static ssize_t ath5k_attr_show_##name(struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
- struct ath5k_softc *sc = dev_get_drvdata(dev); \
+ struct ieee80211_hw *hw = dev_get_drvdata(dev); \
+ struct ath5k_softc *sc = hw->priv; \
return snprintf(buf, PAGE_SIZE, "%d\n", get); \
} \
static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3779b89..33443bc 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -671,7 +671,8 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
* TODO - this could be improved to be dependent on the rate.
* The hardware can keep up at lower rates, but not higher rates
*/
- if (fi->keyix != ATH9K_TXKEYIX_INVALID)
+ if ((fi->keyix != ATH9K_TXKEYIX_INVALID) &&
+ !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))
ndelim += ATH_AGGR_ENCRYPTDELIM;
/*
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 2fb53d0..333b69e 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -112,6 +112,8 @@ static struct usb_device_id carl9170_usb_ids[] = {
{ USB_DEVICE(0x04bb, 0x093f) },
/* NEC WL300NU-G */
{ USB_DEVICE(0x0409, 0x0249) },
+ /* NEC WL300NU-AG */
+ { USB_DEVICE(0x0409, 0x02b4) },
/* AVM FRITZ!WLAN USB Stick N */
{ USB_DEVICE(0x057c, 0x8401) },
/* AVM FRITZ!WLAN USB Stick N 2.4 */
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 092e342..942f7a3 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -298,6 +298,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
{RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/
{RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
{RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
+ {RTL_USB_DEVICE(0x0846, 0x9041, rtl92cu_hal_cfg)}, /*NetGear WNA1000M*/
{RTL_USB_DEVICE(0x0Df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
{RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/
/* HP - Lite-On ,8188CUS Slim Combo */
diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c
index 712baab..e956f65 100644
--- a/drivers/pcmcia/pxa2xx_vpac270.c
+++ b/drivers/pcmcia/pxa2xx_vpac270.c
@@ -76,10 +76,10 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
if (skt->nr == 0)
- gpio_request_array(vpac270_pcmcia_gpios,
+ gpio_free_array(vpac270_pcmcia_gpios,
ARRAY_SIZE(vpac270_pcmcia_gpios));
else
- gpio_request_array(vpac270_cf_gpios,
+ gpio_free_array(vpac270_cf_gpios,
ARRAY_SIZE(vpac270_cf_gpios));
}
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 2a20dab..d6620ad 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -516,8 +516,17 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
{
+ ssb_pcicore_fix_sprom_core_index(pc);
+
/* Disable PCI interrupts. */
ssb_write32(pc->dev, SSB_INTVEC, 0);
+
+ /* Additional PCIe always once-executed workarounds */
+ if (pc->dev->id.coreid == SSB_DEV_PCIE) {
+ ssb_pcicore_serdes_workaround(pc);
+ /* TODO: ASPM */
+ /* TODO: Clock Request Update */
+ }
}
void ssb_pcicore_init(struct ssb_pcicore *pc)
@@ -529,8 +538,6 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
if (!ssb_device_is_enabled(dev))
ssb_device_enable(dev, 0);
- ssb_pcicore_fix_sprom_core_index(pc);
-
#ifdef CONFIG_SSB_PCICORE_HOSTMODE
pc->hostmode = pcicore_is_in_hostmode(pc);
if (pc->hostmode)
@@ -538,13 +545,6 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
#endif /* CONFIG_SSB_PCICORE_HOSTMODE */
if (!pc->hostmode)
ssb_pcicore_init_clientmode(pc);
-
- /* Additional PCIe always once-executed workarounds */
- if (dev->id.coreid == SSB_DEV_PCIE) {
- ssb_pcicore_serdes_workaround(pc);
- /* TODO: ASPM */
- /* TODO: Clock Request Update */
- }
}
static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address)
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 9536d38..21d816e 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -599,8 +599,7 @@ config IT87_WDT
config HP_WATCHDOG
tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
- depends on X86
- default m
+ depends on X86 && PCI
help
A software monitoring watchdog and NMI sourcing driver. This driver
will detect lockups and provide a stack trace. This is a driver that
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 79743d1..0c1d917 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1438,12 +1438,15 @@ char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base,
struct dentry *temp;
char *path;
int len, pos;
+ unsigned seq;
if (dentry == NULL)
return ERR_PTR(-EINVAL);
retry:
len = 0;
+ seq = read_seqbegin(&rename_lock);
+ rcu_read_lock();
for (temp = dentry; !IS_ROOT(temp);) {
struct inode *inode = temp->d_inode;
if (inode && ceph_snap(inode) == CEPH_SNAPDIR)
@@ -1455,10 +1458,12 @@ retry:
len += 1 + temp->d_name.len;
temp = temp->d_parent;
if (temp == NULL) {
+ rcu_read_unlock();
pr_err("build_path corrupt dentry %p\n", dentry);
return ERR_PTR(-EINVAL);
}
}
+ rcu_read_unlock();
if (len)
len--; /* no leading '/' */
@@ -1467,9 +1472,12 @@ retry:
return ERR_PTR(-ENOMEM);
pos = len;
path[pos] = 0; /* trailing null */
+ rcu_read_lock();
for (temp = dentry; !IS_ROOT(temp) && pos != 0; ) {
- struct inode *inode = temp->d_inode;
+ struct inode *inode;
+ spin_lock(&temp->d_lock);
+ inode = temp->d_inode;
if (inode && ceph_snap(inode) == CEPH_SNAPDIR) {
dout("build_path path+%d: %p SNAPDIR\n",
pos, temp);
@@ -1478,21 +1486,26 @@ retry:
break;
} else {
pos -= temp->d_name.len;
- if (pos < 0)
+ if (pos < 0) {
+ spin_unlock(&temp->d_lock);
break;
+ }
strncpy(path + pos, temp->d_name.name,
temp->d_name.len);
}
+ spin_unlock(&temp->d_lock);
if (pos)
path[--pos] = '/';
temp = temp->d_parent;
if (temp == NULL) {
+ rcu_read_unlock();
pr_err("build_path corrupt dentry\n");
kfree(path);
return ERR_PTR(-EINVAL);
}
}
- if (pos != 0) {
+ rcu_read_unlock();
+ if (pos != 0 || read_seqretry(&rename_lock, seq)) {
pr_err("build_path did not end path lookup where "
"expected, namelen is %d, pos is %d\n", len, pos);
/* presumably this is only possible if racing with a
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 3e29899..bc4b12c 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -35,6 +35,7 @@
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
+#include <linux/namei.h>
#include <net/ipv6.h>
#include "cifsfs.h"
#include "cifspdu.h"
@@ -542,14 +543,12 @@ static const struct super_operations cifs_super_ops = {
static struct dentry *
cifs_get_root(struct smb_vol *vol, struct super_block *sb)
{
- int xid, rc;
- struct inode *inode;
- struct qstr name;
- struct dentry *dparent = NULL, *dchild = NULL, *alias;
+ struct dentry *dentry;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
- unsigned int i, full_len, len;
- char *full_path = NULL, *pstart;
+ char *full_path = NULL;
+ char *s, *p;
char sep;
+ int xid;
full_path = cifs_build_path_to_root(vol, cifs_sb,
cifs_sb_master_tcon(cifs_sb));
@@ -560,73 +559,32 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
xid = GetXid();
sep = CIFS_DIR_SEP(cifs_sb);
- dparent = dget(sb->s_root);
- full_len = strlen(full_path);
- full_path[full_len] = sep;
- pstart = full_path + 1;
-
- for (i = 1, len = 0; i <= full_len; i++) {
- if (full_path[i] != sep || !len) {
- len++;
- continue;
- }
-
- full_path[i] = 0;
- cFYI(1, "get dentry for %s", pstart);
-
- name.name = pstart;
- name.len = len;
- name.hash = full_name_hash(pstart, len);
- dchild = d_lookup(dparent, &name);
- if (dchild == NULL) {
- cFYI(1, "not exists");
- dchild = d_alloc(dparent, &name);
- if (dchild == NULL) {
- dput(dparent);
- dparent = ERR_PTR(-ENOMEM);
- goto out;
- }
- }
-
- cFYI(1, "get inode");
- if (dchild->d_inode == NULL) {
- cFYI(1, "not exists");
- inode = NULL;
- if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext)
- rc = cifs_get_inode_info_unix(&inode, full_path,
- sb, xid);
- else
- rc = cifs_get_inode_info(&inode, full_path,
- NULL, sb, xid, NULL);
- if (rc) {
- dput(dchild);
- dput(dparent);
- dparent = ERR_PTR(rc);
- goto out;
- }
- alias = d_materialise_unique(dchild, inode);
- if (alias != NULL) {
- dput(dchild);
- if (IS_ERR(alias)) {
- dput(dparent);
- dparent = ERR_PTR(-EINVAL); /* XXX */
- goto out;
- }
- dchild = alias;
- }
- }
- cFYI(1, "parent %p, child %p", dparent, dchild);
-
- dput(dparent);
- dparent = dchild;
- len = 0;
- pstart = full_path + i + 1;
- full_path[i] = sep;
- }
-out:
+ dentry = dget(sb->s_root);
+ p = s = full_path;
+
+ do {
+ struct inode *dir = dentry->d_inode;
+ struct dentry *child;
+
+ /* skip separators */
+ while (*s == sep)
+ s++;
+ if (!*s)
+ break;
+ p = s++;
+ /* next separator */
+ while (*s && *s != sep)
+ s++;
+
+ mutex_lock(&dir->i_mutex);
+ child = lookup_one_len(p, dentry, s - p);
+ mutex_unlock(&dir->i_mutex);
+ dput(dentry);
+ dentry = child;
+ } while (!IS_ERR(dentry));
_FreeXid(xid);
kfree(full_path);
- return dparent;
+ return dentry;
}
static int cifs_set_super(struct super_block *sb, void *data)
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 0900e16..036ca83 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -129,5 +129,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
extern const struct export_operations cifs_export_ops;
#endif /* CIFS_NFSD_EXPORT */
-#define CIFS_VERSION "1.73"
+#define CIFS_VERSION "1.74"
#endif /* _CIFSFS_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index dbd669c..ccc1afa 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3485,7 +3485,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid)
goto out;
}
- snprintf(username, MAX_USERNAME_SIZE, "krb50x%x", fsuid);
+ snprintf(username, sizeof(username), "krb50x%x", fsuid);
vol_info->username = username;
vol_info->local_nls = cifs_sb->local_nls;
vol_info->linux_uid = fsuid;
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 81914df..fa8c21d9 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -55,6 +55,7 @@ build_path_from_dentry(struct dentry *direntry)
char dirsep;
struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
+ unsigned seq;
if (direntry == NULL)
return NULL; /* not much we can do if dentry is freed and
@@ -68,22 +69,29 @@ build_path_from_dentry(struct dentry *direntry)
dfsplen = 0;
cifs_bp_rename_retry:
namelen = dfsplen;
+ seq = read_seqbegin(&rename_lock);
+ rcu_read_lock();
for (temp = direntry; !IS_ROOT(temp);) {
namelen += (1 + temp->d_name.len);
temp = temp->d_parent;
if (temp == NULL) {
cERROR(1, "corrupt dentry");
+ rcu_read_unlock();
return NULL;
}
}
+ rcu_read_unlock();
full_path = kmalloc(namelen+1, GFP_KERNEL);
if (full_path == NULL)
return full_path;
full_path[namelen] = 0; /* trailing null */
+ rcu_read_lock();
for (temp = direntry; !IS_ROOT(temp);) {
+ spin_lock(&temp->d_lock);
namelen -= 1 + temp->d_name.len;
if (namelen < 0) {
+ spin_unlock(&temp->d_lock);
break;
} else {
full_path[namelen] = dirsep;
@@ -91,14 +99,17 @@ cifs_bp_rename_retry:
temp->d_name.len);
cFYI(0, "name: %s", full_path + namelen);
}
+ spin_unlock(&temp->d_lock);
temp = temp->d_parent;
if (temp == NULL) {
cERROR(1, "corrupt dentry");
+ rcu_read_unlock();
kfree(full_path);
return NULL;
}
}
- if (namelen != dfsplen) {
+ rcu_read_unlock();
+ if (namelen != dfsplen || read_seqretry(&rename_lock, seq)) {
cERROR(1, "did not end path lookup where expected namelen is %d",
namelen);
/* presumably this is only possible if racing with a rename
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index bb71471..a9b4a24 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1737,7 +1737,7 @@ cifs_iovec_read(struct file *file, const struct iovec *iov,
io_parms.pid = pid;
io_parms.tcon = pTcon;
io_parms.offset = *poffset;
- io_parms.length = len;
+ io_parms.length = cur_len;
rc = CIFSSMBRead(xid, &io_parms, &bytes_read,
&read_data, &buf_type);
pSMBr = (struct smb_com_read_rsp *)read_data;
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 3892ab8..d3e6196 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -428,8 +428,7 @@ static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer,
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
flags |= NTLMSSP_NEGOTIATE_SIGN;
if (!ses->server->session_estab)
- flags |= NTLMSSP_NEGOTIATE_KEY_XCH |
- NTLMSSP_NEGOTIATE_EXTENDED_SEC;
+ flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
}
sec_blob->NegotiateFlags = cpu_to_le32(flags);
@@ -465,10 +464,11 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE |
NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC;
if (ses->server->sec_mode &
- (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
flags |= NTLMSSP_NEGOTIATE_SIGN;
- if (ses->server->sec_mode & SECMODE_SIGN_REQUIRED)
- flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+ if (!ses->server->session_estab)
+ flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
+ }
tmp = pbuffer + sizeof(AUTHENTICATE_MESSAGE);
sec_blob->NegotiateFlags = cpu_to_le32(flags);
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index e141939..739fb59 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -37,7 +37,7 @@ static DEFINE_MUTEX(read_mutex);
/* These macros may change in future, to provide better st_ino semantics. */
#define OFFSET(x) ((x)->i_ino)
-static unsigned long cramino(struct cramfs_inode *cino, unsigned int offset)
+static unsigned long cramino(const struct cramfs_inode *cino, unsigned int offset)
{
if (!cino->offset)
return offset + 1;
@@ -61,7 +61,7 @@ static unsigned long cramino(struct cramfs_inode *cino, unsigned int offset)
}
static struct inode *get_cramfs_inode(struct super_block *sb,
- struct cramfs_inode *cramfs_inode, unsigned int offset)
+ const struct cramfs_inode *cramfs_inode, unsigned int offset)
{
struct inode *inode;
static struct timespec zerotime;
@@ -317,7 +317,7 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
/* Set it all up.. */
sb->s_op = &cramfs_ops;
root = get_cramfs_inode(sb, &super.root, 0);
- if (!root)
+ if (IS_ERR(root))
goto out;
sb->s_root = d_alloc_root(root);
if (!sb->s_root) {
@@ -423,6 +423,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
{
unsigned int offset = 0;
+ struct inode *inode = NULL;
int sorted;
mutex_lock(&read_mutex);
@@ -449,8 +450,8 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
for (;;) {
if (!namelen) {
- mutex_unlock(&read_mutex);
- return ERR_PTR(-EIO);
+ inode = ERR_PTR(-EIO);
+ goto out;
}
if (name[namelen-1])
break;
@@ -462,17 +463,18 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
if (retval > 0)
continue;
if (!retval) {
- struct cramfs_inode entry = *de;
- mutex_unlock(&read_mutex);
- d_add(dentry, get_cramfs_inode(dir->i_sb, &entry, dir_off));
- return NULL;
+ inode = get_cramfs_inode(dir->i_sb, de, dir_off);
+ break;
}
/* else (retval < 0) */
if (sorted)
break;
}
+out:
mutex_unlock(&read_mutex);
- d_add(dentry, NULL);
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+ d_add(dentry, inode);
return NULL;
}
diff --git a/fs/dcache.c b/fs/dcache.c
index 37f72ee..fbdcbca 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1813,8 +1813,6 @@ seqretry:
tname = dentry->d_name.name;
i = dentry->d_inode;
prefetch(tname);
- if (i)
- prefetch(i);
/*
* This seqcount check is required to ensure name and
* len are loaded atomically, so as not to walk off the
@@ -2213,14 +2211,15 @@ static void dentry_unlock_parents_for_move(struct dentry *dentry,
* The hash value has to match the hash queue that the dentry is on..
*/
/*
- * d_move - move a dentry
+ * __d_move - move a dentry
* @dentry: entry to move
* @target: new dentry
*
* Update the dcache to reflect the move of a file name. Negative
- * dcache entries should not be moved in this way.
+ * dcache entries should not be moved in this way. Caller hold
+ * rename_lock.
*/
-void d_move(struct dentry * dentry, struct dentry * target)
+static void __d_move(struct dentry * dentry, struct dentry * target)
{
if (!dentry->d_inode)
printk(KERN_WARNING "VFS: moving negative dcache entry\n");
@@ -2228,8 +2227,6 @@ void d_move(struct dentry * dentry, struct dentry * target)
BUG_ON(d_ancestor(dentry, target));
BUG_ON(d_ancestor(target, dentry));
- write_seqlock(&rename_lock);
-
dentry_lock_for_move(dentry, target);
write_seqcount_begin(&dentry->d_seq);
@@ -2275,6 +2272,20 @@ void d_move(struct dentry * dentry, struct dentry * target)
spin_unlock(&target->d_lock);
fsnotify_d_move(dentry);
spin_unlock(&dentry->d_lock);
+}
+
+/*
+ * d_move - move a dentry
+ * @dentry: entry to move
+ * @target: new dentry
+ *
+ * Update the dcache to reflect the move of a file name. Negative
+ * dcache entries should not be moved in this way.
+ */
+void d_move(struct dentry *dentry, struct dentry *target)
+{
+ write_seqlock(&rename_lock);
+ __d_move(dentry, target);
write_sequnlock(&rename_lock);
}
EXPORT_SYMBOL(d_move);
@@ -2302,7 +2313,7 @@ struct dentry *d_ancestor(struct dentry *p1, struct dentry *p2)
* This helper attempts to cope with remotely renamed directories
*
* It assumes that the caller is already holding
- * dentry->d_parent->d_inode->i_mutex and the inode->i_lock
+ * dentry->d_parent->d_inode->i_mutex, inode->i_lock and rename_lock
*
* Note: If ever the locking in lock_rename() changes, then please
* remember to update this too...
@@ -2317,11 +2328,6 @@ static struct dentry *__d_unalias(struct inode *inode,
if (alias->d_parent == dentry->d_parent)
goto out_unalias;
- /* Check for loops */
- ret = ERR_PTR(-ELOOP);
- if (d_ancestor(alias, dentry))
- goto out_err;
-
/* See lock_rename() */
ret = ERR_PTR(-EBUSY);
if (!mutex_trylock(&dentry->d_sb->s_vfs_rename_mutex))
@@ -2331,7 +2337,7 @@ static struct dentry *__d_unalias(struct inode *inode,
goto out_err;
m2 = &alias->d_parent->d_inode->i_mutex;
out_unalias:
- d_move(alias, dentry);
+ __d_move(alias, dentry);
ret = alias;
out_err:
spin_unlock(&inode->i_lock);
@@ -2416,15 +2422,24 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
alias = __d_find_alias(inode, 0);
if (alias) {
actual = alias;
- /* Is this an anonymous mountpoint that we could splice
- * into our tree? */
- if (IS_ROOT(alias)) {
+ write_seqlock(&rename_lock);
+
+ if (d_ancestor(alias, dentry)) {
+ /* Check for loops */
+ actual = ERR_PTR(-ELOOP);
+ } else if (IS_ROOT(alias)) {
+ /* Is this an anonymous mountpoint that we
+ * could splice into our tree? */
__d_materialise_dentry(dentry, alias);
+ write_sequnlock(&rename_lock);
__d_drop(alias);
goto found;
+ } else {
+ /* Nope, but we must(!) avoid directory
+ * aliasing */
+ actual = __d_unalias(inode, dentry, alias);
}
- /* Nope, but we must(!) avoid directory aliasing */
- actual = __d_unalias(inode, dentry, alias);
+ write_sequnlock(&rename_lock);
if (IS_ERR(actual))
dput(alias);
goto out_nolock;
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 06065bd..c57bedd 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -913,7 +913,7 @@ struct dentry *exofs_get_parent(struct dentry *child)
unsigned long ino = exofs_parent_ino(child);
if (!ino)
- return NULL;
+ return ERR_PTR(-ESTALE);
return d_obtain_alias(exofs_iget(child->d_inode->i_sb, ino));
}
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 2f343b4..3f7a59b 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -976,16 +976,12 @@ void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
pagevec_init(&pvec, 0);
next = 0;
- while (next <= (loff_t)-1 &&
- pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)
- ) {
+ do {
+ if (!pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE))
+ break;
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *page = pvec.pages[i];
- pgoff_t page_index = page->index;
-
- ASSERTCMP(page_index, >=, next);
- next = page_index + 1;
-
+ next = page->index;
if (PageFsCache(page)) {
__fscache_wait_on_page_write(cookie, page);
__fscache_uncache_page(cookie, page);
@@ -993,7 +989,7 @@ void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
}
pagevec_release(&pvec);
cond_resched();
- }
+ } while (++next);
_leave("");
}
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 802ac5e..f9fbbe9 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -1069,6 +1069,7 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask)
return 0;
gfs2_log_lock(sdp);
+ spin_lock(&sdp->sd_ail_lock);
head = bh = page_buffers(page);
do {
if (atomic_read(&bh->b_count))
@@ -1080,6 +1081,7 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask)
goto not_possible;
bh = bh->b_this_page;
} while(bh != head);
+ spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
head = bh = page_buffers(page);
@@ -1112,6 +1114,7 @@ not_possible: /* Should never happen */
WARN_ON(buffer_dirty(bh));
WARN_ON(buffer_pinned(bh));
cannot_release:
+ spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
return 0;
}
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 8ef70f4..2cca2931 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -47,10 +47,10 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl)
bd_ail_gl_list);
bh = bd->bd_bh;
gfs2_remove_from_ail(bd);
- spin_unlock(&sdp->sd_ail_lock);
-
bd->bd_bh = NULL;
bh->b_private = NULL;
+ spin_unlock(&sdp->sd_ail_lock);
+
bd->bd_blkno = bh->b_blocknr;
gfs2_log_lock(sdp);
gfs2_assert_withdraw(sdp, !buffer_busy(bh));
@@ -221,8 +221,10 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
}
}
- if (ip == GFS2_I(gl->gl_sbd->sd_rindex))
+ if (ip == GFS2_I(gl->gl_sbd->sd_rindex)) {
+ gfs2_log_flush(gl->gl_sbd, NULL);
gl->gl_sbd->sd_rindex_uptodate = 0;
+ }
if (ip && S_ISREG(ip->i_inode.i_mode))
truncate_inode_pages(ip->i_inode.i_mapping, 0);
}
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 0a064e9..81206e7 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -17,6 +17,7 @@
#include <linux/buffer_head.h>
#include <linux/rcupdate.h>
#include <linux/rculist_bl.h>
+#include <linux/completion.h>
#define DIO_WAIT 0x00000010
#define DIO_METADATA 0x00000020
@@ -546,6 +547,7 @@ struct gfs2_sbd {
struct gfs2_glock *sd_trans_gl;
wait_queue_head_t sd_glock_wait;
atomic_t sd_glock_disposal;
+ struct completion sd_locking_init;
/* Inode Stuff */
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 903115f..85c6292 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -903,6 +903,7 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
if (gfs2_ail1_empty(sdp))
break;
}
+ gfs2_log_flush(sdp, NULL);
}
static inline int gfs2_jrnl_flush_reqd(struct gfs2_sbd *sdp)
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 8ac9ae1..2a77071 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -72,6 +72,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
init_waitqueue_head(&sdp->sd_glock_wait);
atomic_set(&sdp->sd_glock_disposal, 0);
+ init_completion(&sdp->sd_locking_init);
spin_lock_init(&sdp->sd_statfs_spin);
spin_lock_init(&sdp->sd_rindex_spin);
@@ -1017,11 +1018,13 @@ hostdata_error:
fsname++;
if (lm->lm_mount == NULL) {
fs_info(sdp, "Now mounting FS...\n");
+ complete(&sdp->sd_locking_init);
return 0;
}
ret = lm->lm_mount(sdp, fsname);
if (ret == 0)
fs_info(sdp, "Joined cluster. Now mounting FS...\n");
+ complete(&sdp->sd_locking_init);
return ret;
}
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index ed540e7..fb0edf7 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -757,13 +757,17 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
struct timespec atime;
struct gfs2_dinode *di;
int ret = -EAGAIN;
+ int unlock_required = 0;
/* Skip timestamp update, if this is from a memalloc */
if (current->flags & PF_MEMALLOC)
goto do_flush;
- ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
- if (ret)
- goto do_flush;
+ if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ if (ret)
+ goto do_flush;
+ unlock_required = 1;
+ }
ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
if (ret)
goto do_unlock;
@@ -780,7 +784,8 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
}
gfs2_trans_end(sdp);
do_unlock:
- gfs2_glock_dq_uninit(&gh);
+ if (unlock_required)
+ gfs2_glock_dq_uninit(&gh);
do_flush:
if (wbc->sync_mode == WB_SYNC_ALL)
gfs2_log_flush(GFS2_SB(inode), ip->i_gl);
@@ -1427,7 +1432,20 @@ out:
return error;
}
-/*
+/**
+ * gfs2_evict_inode - Remove an inode from cache
+ * @inode: The inode to evict
+ *
+ * There are three cases to consider:
+ * 1. i_nlink == 0, we are final opener (and must deallocate)
+ * 2. i_nlink == 0, we are not the final opener (and cannot deallocate)
+ * 3. i_nlink > 0
+ *
+ * If the fs is read only, then we have to treat all cases as per #3
+ * since we are unable to do any deallocation. The inode will be
+ * deallocated by the next read/write node to attempt an allocation
+ * in the same resource group
+ *
* We have to (at the moment) hold the inodes main lock to cover
* the gap between unlocking the shared lock on the iopen lock and
* taking the exclusive lock. I'd rather do a shared -> exclusive
@@ -1470,6 +1488,8 @@ static void gfs2_evict_inode(struct inode *inode)
if (error)
goto out_truncate;
+ /* Case 1 starts here */
+
if (S_ISDIR(inode->i_mode) &&
(ip->i_diskflags & GFS2_DIF_EXHASH)) {
error = gfs2_dir_exhash_dealloc(ip);
@@ -1493,13 +1513,16 @@ static void gfs2_evict_inode(struct inode *inode)
goto out_unlock;
out_truncate:
+ /* Case 2 starts here */
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (error)
goto out_unlock;
- gfs2_final_release_pages(ip);
+ /* Needs to be done before glock release & also in a transaction */
+ truncate_inode_pages(&inode->i_data, 0);
gfs2_trans_end(sdp);
out_unlock:
+ /* Error path for case 1 */
if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
gfs2_glock_dq(&ip->i_iopen_gh);
gfs2_holder_uninit(&ip->i_iopen_gh);
@@ -1507,6 +1530,7 @@ out_unlock:
if (error && error != GLR_TRYFAILED && error != -EROFS)
fs_warn(sdp, "gfs2_evict_inode: %d\n", error);
out:
+ /* Case 3 starts here */
truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index e20eab3..443cabc 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -338,6 +338,9 @@ static ssize_t lkfirst_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
rv = sscanf(buf, "%u", &first);
if (rv != 1 || first > 1)
return -EINVAL;
+ rv = wait_for_completion_killable(&sdp->sd_locking_init);
+ if (rv)
+ return rv;
spin_lock(&sdp->sd_jindex_spin);
rv = -EBUSY;
if (test_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
@@ -414,7 +417,9 @@ static ssize_t jid_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
rv = sscanf(buf, "%d", &jid);
if (rv != 1)
return -EINVAL;
-
+ rv = wait_for_completion_killable(&sdp->sd_locking_init);
+ if (rv)
+ return rv;
spin_lock(&sdp->sd_jindex_spin);
rv = -EINVAL;
if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 87ed48e..85c098a 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -139,7 +139,8 @@ static int file_removed(struct dentry *dentry, const char *file)
static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
struct nameidata *nd)
{
- struct dentry *proc_dentry, *new, *parent;
+ struct dentry *proc_dentry, *parent;
+ struct qstr *name = &dentry->d_name;
struct inode *inode;
int err, deleted;
@@ -149,23 +150,9 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
else if (deleted)
return ERR_PTR(-ENOENT);
- err = -ENOMEM;
parent = HPPFS_I(ino)->proc_dentry;
mutex_lock(&parent->d_inode->i_mutex);
- proc_dentry = d_lookup(parent, &dentry->d_name);
- if (proc_dentry == NULL) {
- proc_dentry = d_alloc(parent, &dentry->d_name);
- if (proc_dentry == NULL) {
- mutex_unlock(&parent->d_inode->i_mutex);
- goto out;
- }
- new = (*parent->d_inode->i_op->lookup)(parent->d_inode,
- proc_dentry, NULL);
- if (new) {
- dput(proc_dentry);
- proc_dentry = new;
- }
- }
+ proc_dentry = lookup_one_len(name->name, parent, name->len);
mutex_unlock(&parent->d_inode->i_mutex);
if (IS_ERR(proc_dentry))
@@ -174,13 +161,11 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
err = -ENOMEM;
inode = get_inode(ino->i_sb, proc_dentry);
if (!inode)
- goto out_dput;
+ goto out;
d_add(dentry, inode);
return NULL;
- out_dput:
- dput(proc_dentry);
out:
return ERR_PTR(err);
}
@@ -690,8 +675,10 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
struct inode *proc_ino = dentry->d_inode;
struct inode *inode = new_inode(sb);
- if (!inode)
+ if (!inode) {
+ dput(dentry);
return ERR_PTR(-ENOMEM);
+ }
if (S_ISDIR(dentry->d_inode->i_mode)) {
inode->i_op = &hppfs_dir_iops;
@@ -704,7 +691,7 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
inode->i_fop = &hppfs_file_fops;
}
- HPPFS_I(inode)->proc_dentry = dget(dentry);
+ HPPFS_I(inode)->proc_dentry = dentry;
inode->i_uid = proc_ino->i_uid;
inode->i_gid = proc_ino->i_gid;
@@ -737,7 +724,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
sb->s_fs_info = proc_mnt;
err = -ENOMEM;
- root_inode = get_inode(sb, proc_mnt->mnt_sb->s_root);
+ root_inode = get_inode(sb, dget(proc_mnt->mnt_sb->s_root));
if (!root_inode)
goto out_mntput;
diff --git a/fs/libfs.c b/fs/libfs.c
index c88eab5..275ca474 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -822,7 +822,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
goto out;
attr->set_buf[size] = '\0';
- val = simple_strtol(attr->set_buf, NULL, 0);
+ val = simple_strtoll(attr->set_buf, NULL, 0);
ret = attr->set(attr->data, val);
if (ret == 0)
ret = len; /* on success, claim we got the whole input */
diff --git a/fs/namei.c b/fs/namei.c
index 0223c41..14ab8d3 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -433,6 +433,8 @@ static int unlazy_walk(struct nameidata *nd, struct dentry *dentry)
goto err_parent;
BUG_ON(nd->inode != parent->d_inode);
} else {
+ if (dentry->d_parent != parent)
+ goto err_parent;
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
if (!__d_rcu_to_refcount(dentry, nd->seq))
goto err_child;
@@ -940,7 +942,6 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
* Don't forget we might have a non-mountpoint managed dentry
* that wants to block transit.
*/
- *inode = path->dentry->d_inode;
if (unlikely(managed_dentry_might_block(path->dentry)))
return false;
@@ -953,6 +954,12 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
path->mnt = mounted;
path->dentry = mounted->mnt_root;
nd->seq = read_seqcount_begin(&path->dentry->d_seq);
+ /*
+ * Update the inode too. We don't need to re-check the
+ * dentry sequence number here after this d_inode read,
+ * because a mount-point is always pinned.
+ */
+ *inode = path->dentry->d_inode;
}
return true;
}
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 0bafcc9..f9d03ab 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -398,7 +398,6 @@ filelayout_write_pagelist(struct nfs_write_data *data, int sync)
* this offset and save the original offset.
*/
data->args.offset = filelayout_get_dserver_offset(lseg, offset);
- data->mds_offset = offset;
/* Perform an asynchronous write */
status = nfs_initiate_write(data, ds->ds_clp->cl_rpcclient,
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 6870bc6..e6e8f3b 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -91,7 +91,7 @@ static int nfs4_stat_to_errno(int);
#define encode_getfh_maxsz (op_encode_hdr_maxsz)
#define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
((3+NFS4_FHSIZE) >> 2))
-#define nfs4_fattr_bitmap_maxsz 3
+#define nfs4_fattr_bitmap_maxsz 4
#define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
#define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
#define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index e268e3b..72716805 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -864,6 +864,8 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
data->args.fh = NFS_FH(inode);
data->args.offset = req_offset(req) + offset;
+ /* pnfs_set_layoutcommit needs this */
+ data->mds_offset = data->args.offset;
data->args.pgbase = req->wb_pgbase + offset;
data->args.pages = data->pagevec;
data->args.count = count;
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 29309e2..b57aab9 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -56,16 +56,12 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru
lock_ufs(dir->i_sb);
ino = ufs_inode_by_name(dir, &dentry->d_name);
- if (ino) {
+ if (ino)
inode = ufs_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
- unlock_ufs(dir->i_sb);
- return ERR_CAST(inode);
- }
- }
unlock_ufs(dir->i_sb);
- d_add(dentry, inode);
- return NULL;
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+ return d_splice_alias(inode, dentry);
}
/*
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 3a10ef5..6cd5b64 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -210,7 +210,7 @@ struct acpi_device_power_state {
struct acpi_device_power {
int state; /* Current state */
struct acpi_device_power_flags flags;
- struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
+ struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */
};
/* Performance Management */
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index a756bc8..4543b6f 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -98,8 +98,11 @@ acpi_os_table_override(struct acpi_table_header *existing_table,
/*
* Spinlock primitives
*/
+
+#ifndef acpi_os_create_lock
acpi_status
acpi_os_create_lock(acpi_spinlock *out_handle);
+#endif
void acpi_os_delete_lock(acpi_spinlock handle);
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 5d2a5e9..2ce1be9 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -159,6 +159,24 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
} while (0)
#endif
+/*
+ * When lockdep is enabled, the spin_lock_init() macro stringifies it's
+ * argument and uses that as a name for the lock in debugging.
+ * By executing spin_lock_init() in a macro the key changes from "lock" for
+ * all locks to the name of the argument of acpi_os_create_lock(), which
+ * prevents lockdep from reporting false positives for ACPICA locks.
+ */
+#define acpi_os_create_lock(__handle) \
+({ \
+ spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
+ \
+ if (lock) { \
+ *(__handle) = lock; \
+ spin_lock_init(*(__handle)); \
+ } \
+ lock ? AE_OK : AE_NO_MEMORY; \
+})
+
#endif /* __KERNEL__ */
#endif /* __ACLINUX_H__ */
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index e08f344..3d53efd 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -182,6 +182,7 @@
{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6762, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
@@ -192,6 +193,7 @@
{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6888, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8b45384..baa397e 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -676,7 +676,8 @@ void irq_gc_mask_disable_reg(struct irq_data *d);
void irq_gc_mask_set_bit(struct irq_data *d);
void irq_gc_mask_clr_bit(struct irq_data *d);
void irq_gc_unmask_enable_reg(struct irq_data *d);
-void irq_gc_ack(struct irq_data *d);
+void irq_gc_ack_set_bit(struct irq_data *d);
+void irq_gc_ack_clr_bit(struct irq_data *d);
void irq_gc_mask_disable_reg_and_ack(struct irq_data *d);
void irq_gc_eoi(struct irq_data *d);
int irq_gc_set_wake(struct irq_data *d, unsigned int on);
diff --git a/include/linux/memory.h b/include/linux/memory.h
index e1e3b2b..935699b 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -20,6 +20,8 @@
#include <linux/compiler.h>
#include <linux/mutex.h>
+#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
+
struct memory_block {
unsigned long start_section_nr;
unsigned long end_section_nr;
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index c6927a4..6ad4355 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -64,6 +64,19 @@ struct mmc_ext_csd {
unsigned long long enhanced_area_offset; /* Units: Byte */
unsigned int enhanced_area_size; /* Units: KB */
unsigned int boot_size; /* in bytes */
+ u8 raw_partition_support; /* 160 */
+ u8 raw_erased_mem_count; /* 181 */
+ u8 raw_ext_csd_structure; /* 194 */
+ u8 raw_card_type; /* 196 */
+ u8 raw_s_a_timeout; /* 217 */
+ u8 raw_hc_erase_gap_size; /* 221 */
+ u8 raw_erase_timeout_mult; /* 223 */
+ u8 raw_hc_erase_grp_size; /* 224 */
+ u8 raw_sec_trim_mult; /* 229 */
+ u8 raw_sec_erase_mult; /* 230 */
+ u8 raw_sec_feature_support;/* 231 */
+ u8 raw_trim_mult; /* 232 */
+ u8 raw_sectors[4]; /* 212 - 4 bytes */
};
struct sd_scr {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 54b8b4d..9e19477 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1097,12 +1097,6 @@ struct net_device {
#define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
NETIF_F_FSO)
-#define NETIF_F_ALL_TX_OFFLOADS (NETIF_F_ALL_CSUM | NETIF_F_SG | \
- NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
- NETIF_F_HIGHDMA | \
- NETIF_F_SCTP_CSUM | \
- NETIF_F_ALL_FCOE)
-
/*
* If one device supports one of these features, then enable them
* for all in netdev_increment_features.
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 496770a..14a6c7b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -844,6 +844,7 @@ enum cpu_idle_type {
#define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */
#define SD_ASYM_PACKING 0x0800 /* Place busy groups earlier in the domain */
#define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */
+#define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */
enum powersavings_balance_level {
POWERSAVINGS_BALANCE_NONE = 0, /* No power saving load balance */
@@ -893,16 +894,21 @@ static inline int sd_power_saving_flags(void)
return 0;
}
-struct sched_group {
- struct sched_group *next; /* Must be a circular list */
+struct sched_group_power {
atomic_t ref;
-
/*
* CPU power of this group, SCHED_LOAD_SCALE being max power for a
* single CPU.
*/
- unsigned int cpu_power, cpu_power_orig;
+ unsigned int power, power_orig;
+};
+
+struct sched_group {
+ struct sched_group *next; /* Must be a circular list */
+ atomic_t ref;
+
unsigned int group_weight;
+ struct sched_group_power *sgp;
/*
* The CPUs this group covers.
@@ -1254,6 +1260,9 @@ struct task_struct {
#ifdef CONFIG_PREEMPT_RCU
int rcu_read_lock_nesting;
char rcu_read_unlock_special;
+#if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU)
+ int rcu_boosted;
+#endif /* #if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU) */
struct list_head rcu_node_entry;
#endif /* #ifdef CONFIG_PREEMPT_RCU */
#ifdef CONFIG_TREE_PREEMPT_RCU
diff --git a/include/linux/sdla.h b/include/linux/sdla.h
index 564acd3..9995c7f 100644
--- a/include/linux/sdla.h
+++ b/include/linux/sdla.h
@@ -112,11 +112,7 @@ struct sdla_dlci_conf {
short Tb_max;
};
-#ifndef __KERNEL__
-
-void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet);
-
-#else
+#ifdef __KERNEL__
/* important Z80 window addresses */
#define SDLA_CONTROL_WND 0xE000
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index dd6847e..6506458 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -63,6 +63,7 @@ typedef enum {
SCTP_CMD_ECN_ECNE, /* Do delayed ECNE processing. */
SCTP_CMD_ECN_CWR, /* Do delayed CWR processing. */
SCTP_CMD_TIMER_START, /* Start a timer. */
+ SCTP_CMD_TIMER_START_ONCE, /* Start a timer once */
SCTP_CMD_TIMER_RESTART, /* Restart a timer. */
SCTP_CMD_TIMER_STOP, /* Stop a timer. */
SCTP_CMD_INIT_CHOOSE_TRANSPORT, /* Choose transport for an INIT. */
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 99b027b..ca4693b 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -80,7 +80,7 @@ static inline struct sctp_ulpevent *sctp_skb2event(struct sk_buff *skb)
void sctp_ulpevent_free(struct sctp_ulpevent *);
int sctp_ulpevent_is_notification(const struct sctp_ulpevent *);
-void sctp_queue_purge_ulpevents(struct sk_buff_head *list);
+unsigned int sctp_queue_purge_ulpevents(struct sk_buff_head *list);
struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
const struct sctp_association *asoc,
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index 31a9db7..3a2cab4 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -101,10 +101,10 @@ void irq_gc_unmask_enable_reg(struct irq_data *d)
}
/**
- * irq_gc_ack - Ack pending interrupt
+ * irq_gc_ack_set_bit - Ack pending interrupt via setting bit
* @d: irq_data
*/
-void irq_gc_ack(struct irq_data *d)
+void irq_gc_ack_set_bit(struct irq_data *d)
{
struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
u32 mask = 1 << (d->irq - gc->irq_base);
@@ -115,6 +115,20 @@ void irq_gc_ack(struct irq_data *d)
}
/**
+ * irq_gc_ack_clr_bit - Ack pending interrupt via clearing bit
+ * @d: irq_data
+ */
+void irq_gc_ack_clr_bit(struct irq_data *d)
+{
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ u32 mask = ~(1 << (d->irq - gc->irq_base));
+
+ irq_gc_lock(gc);
+ irq_reg_writel(mask, gc->reg_base + cur_regs(d)->ack);
+ irq_gc_unlock(gc);
+}
+
+/**
* irq_gc_mask_disable_reg_and_ack- Mask and ack pending interrupt
* @d: irq_data
*/
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 7e59ffb..ba06207 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -84,9 +84,32 @@ DEFINE_PER_CPU(struct rcu_data, rcu_bh_data);
static struct rcu_state *rcu_state;
+/*
+ * The rcu_scheduler_active variable transitions from zero to one just
+ * before the first task is spawned. So when this variable is zero, RCU
+ * can assume that there is but one task, allowing RCU to (for example)
+ * optimized synchronize_sched() to a simple barrier(). When this variable
+ * is one, RCU must actually do all the hard work required to detect real
+ * grace periods. This variable is also used to suppress boot-time false
+ * positives from lockdep-RCU error checking.
+ */
int rcu_scheduler_active __read_mostly;
EXPORT_SYMBOL_GPL(rcu_scheduler_active);
+/*
+ * The rcu_scheduler_fully_active variable transitions from zero to one
+ * during the early_initcall() processing, which is after the scheduler
+ * is capable of creating new tasks. So RCU processing (for example,
+ * creating tasks for RCU priority boosting) must be delayed until after
+ * rcu_scheduler_fully_active transitions from zero to one. We also
+ * currently delay invocation of any RCU callbacks until after this point.
+ *
+ * It might later prove better for people registering RCU callbacks during
+ * early boot to take responsibility for these callbacks, but one step at
+ * a time.
+ */
+static int rcu_scheduler_fully_active __read_mostly;
+
#ifdef CONFIG_RCU_BOOST
/*
@@ -98,7 +121,6 @@ DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_status);
DEFINE_PER_CPU(int, rcu_cpu_kthread_cpu);
DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops);
DEFINE_PER_CPU(char, rcu_cpu_has_work);
-static char rcu_kthreads_spawnable;
#endif /* #ifdef CONFIG_RCU_BOOST */
@@ -1467,6 +1489,8 @@ static void rcu_process_callbacks(struct softirq_action *unused)
*/
static void invoke_rcu_callbacks(struct rcu_state *rsp, struct rcu_data *rdp)
{
+ if (unlikely(!ACCESS_ONCE(rcu_scheduler_fully_active)))
+ return;
if (likely(!rsp->boost)) {
rcu_do_batch(rsp, rdp);
return;
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 14dc7dd..8aafbb8 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -68,6 +68,7 @@ struct rcu_state rcu_preempt_state = RCU_STATE_INITIALIZER(rcu_preempt_state);
DEFINE_PER_CPU(struct rcu_data, rcu_preempt_data);
static struct rcu_state *rcu_state = &rcu_preempt_state;
+static void rcu_read_unlock_special(struct task_struct *t);
static int rcu_preempted_readers_exp(struct rcu_node *rnp);
/*
@@ -147,7 +148,7 @@ static void rcu_preempt_note_context_switch(int cpu)
struct rcu_data *rdp;
struct rcu_node *rnp;
- if (t->rcu_read_lock_nesting &&
+ if (t->rcu_read_lock_nesting > 0 &&
(t->rcu_read_unlock_special & RCU_READ_UNLOCK_BLOCKED) == 0) {
/* Possibly blocking in an RCU read-side critical section. */
@@ -190,6 +191,14 @@ static void rcu_preempt_note_context_switch(int cpu)
rnp->gp_tasks = &t->rcu_node_entry;
}
raw_spin_unlock_irqrestore(&rnp->lock, flags);
+ } else if (t->rcu_read_lock_nesting < 0 &&
+ t->rcu_read_unlock_special) {
+
+ /*
+ * Complete exit from RCU read-side critical section on
+ * behalf of preempted instance of __rcu_read_unlock().
+ */
+ rcu_read_unlock_special(t);
}
/*
@@ -284,7 +293,7 @@ static struct list_head *rcu_next_node_entry(struct task_struct *t,
* notify RCU core processing or task having blocked during the RCU
* read-side critical section.
*/
-static void rcu_read_unlock_special(struct task_struct *t)
+static noinline void rcu_read_unlock_special(struct task_struct *t)
{
int empty;
int empty_exp;
@@ -309,7 +318,7 @@ static void rcu_read_unlock_special(struct task_struct *t)
}
/* Hardware IRQ handlers cannot block. */
- if (in_irq()) {
+ if (in_irq() || in_serving_softirq()) {
local_irq_restore(flags);
return;
}
@@ -342,6 +351,11 @@ static void rcu_read_unlock_special(struct task_struct *t)
#ifdef CONFIG_RCU_BOOST
if (&t->rcu_node_entry == rnp->boost_tasks)
rnp->boost_tasks = np;
+ /* Snapshot and clear ->rcu_boosted with rcu_node lock held. */
+ if (t->rcu_boosted) {
+ special |= RCU_READ_UNLOCK_BOOSTED;
+ t->rcu_boosted = 0;
+ }
#endif /* #ifdef CONFIG_RCU_BOOST */
t->rcu_blocked_node = NULL;
@@ -358,7 +372,6 @@ static void rcu_read_unlock_special(struct task_struct *t)
#ifdef CONFIG_RCU_BOOST
/* Unboost if we were boosted. */
if (special & RCU_READ_UNLOCK_BOOSTED) {
- t->rcu_read_unlock_special &= ~RCU_READ_UNLOCK_BOOSTED;
rt_mutex_unlock(t->rcu_boost_mutex);
t->rcu_boost_mutex = NULL;
}
@@ -387,13 +400,22 @@ void __rcu_read_unlock(void)
struct task_struct *t = current;
barrier(); /* needed if we ever invoke rcu_read_unlock in rcutree.c */
- --t->rcu_read_lock_nesting;
- barrier(); /* decrement before load of ->rcu_read_unlock_special */
- if (t->rcu_read_lock_nesting == 0 &&
- unlikely(ACCESS_ONCE(t->rcu_read_unlock_special)))
- rcu_read_unlock_special(t);
+ if (t->rcu_read_lock_nesting != 1)
+ --t->rcu_read_lock_nesting;
+ else {
+ t->rcu_read_lock_nesting = INT_MIN;
+ barrier(); /* assign before ->rcu_read_unlock_special load */
+ if (unlikely(ACCESS_ONCE(t->rcu_read_unlock_special)))
+ rcu_read_unlock_special(t);
+ barrier(); /* ->rcu_read_unlock_special load before assign */
+ t->rcu_read_lock_nesting = 0;
+ }
#ifdef CONFIG_PROVE_LOCKING
- WARN_ON_ONCE(ACCESS_ONCE(t->rcu_read_lock_nesting) < 0);
+ {
+ int rrln = ACCESS_ONCE(t->rcu_read_lock_nesting);
+
+ WARN_ON_ONCE(rrln < 0 && rrln > INT_MIN / 2);
+ }
#endif /* #ifdef CONFIG_PROVE_LOCKING */
}
EXPORT_SYMBOL_GPL(__rcu_read_unlock);
@@ -589,7 +611,8 @@ static void rcu_preempt_check_callbacks(int cpu)
rcu_preempt_qs(cpu);
return;
}
- if (per_cpu(rcu_preempt_data, cpu).qs_pending)
+ if (t->rcu_read_lock_nesting > 0 &&
+ per_cpu(rcu_preempt_data, cpu).qs_pending)
t->rcu_read_unlock_special |= RCU_READ_UNLOCK_NEED_QS;
}
@@ -695,9 +718,12 @@ static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp)
raw_spin_lock_irqsave(&rnp->lock, flags);
for (;;) {
- if (!sync_rcu_preempt_exp_done(rnp))
+ if (!sync_rcu_preempt_exp_done(rnp)) {
+ raw_spin_unlock_irqrestore(&rnp->lock, flags);
break;
+ }
if (rnp->parent == NULL) {
+ raw_spin_unlock_irqrestore(&rnp->lock, flags);
wake_up(&sync_rcu_preempt_exp_wq);
break;
}
@@ -707,7 +733,6 @@ static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp)
raw_spin_lock(&rnp->lock); /* irqs already disabled */
rnp->expmask &= ~mask;
}
- raw_spin_unlock_irqrestore(&rnp->lock, flags);
}
/*
@@ -1174,7 +1199,7 @@ static int rcu_boost(struct rcu_node *rnp)
t = container_of(tb, struct task_struct, rcu_node_entry);
rt_mutex_init_proxy_locked(&mtx, t);
t->rcu_boost_mutex = &mtx;
- t->rcu_read_unlock_special |= RCU_READ_UNLOCK_BOOSTED;
+ t->rcu_boosted = 1;
raw_spin_unlock_irqrestore(&rnp->lock, flags);
rt_mutex_lock(&mtx); /* Side effect: boosts task t's priority. */
rt_mutex_unlock(&mtx); /* Keep lockdep happy. */
@@ -1532,7 +1557,7 @@ static int __cpuinit rcu_spawn_one_cpu_kthread(int cpu)
struct sched_param sp;
struct task_struct *t;
- if (!rcu_kthreads_spawnable ||
+ if (!rcu_scheduler_fully_active ||
per_cpu(rcu_cpu_kthread_task, cpu) != NULL)
return 0;
t = kthread_create(rcu_cpu_kthread, (void *)(long)cpu, "rcuc%d", cpu);
@@ -1639,7 +1664,7 @@ static int __cpuinit rcu_spawn_one_node_kthread(struct rcu_state *rsp,
struct sched_param sp;
struct task_struct *t;
- if (!rcu_kthreads_spawnable ||
+ if (!rcu_scheduler_fully_active ||
rnp->qsmaskinit == 0)
return 0;
if (rnp->node_kthread_task == NULL) {
@@ -1665,7 +1690,7 @@ static int __init rcu_spawn_kthreads(void)
int cpu;
struct rcu_node *rnp;
- rcu_kthreads_spawnable = 1;
+ rcu_scheduler_fully_active = 1;
for_each_possible_cpu(cpu) {
per_cpu(rcu_cpu_has_work, cpu) = 0;
if (cpu_online(cpu))
@@ -1687,7 +1712,7 @@ static void __cpuinit rcu_prepare_kthreads(int cpu)
struct rcu_node *rnp = rdp->mynode;
/* Fire up the incoming CPU's kthread and leaf rcu_node kthread. */
- if (rcu_kthreads_spawnable) {
+ if (rcu_scheduler_fully_active) {
(void)rcu_spawn_one_cpu_kthread(cpu);
if (rnp->node_kthread_task == NULL)
(void)rcu_spawn_one_node_kthread(rcu_state, rnp);
@@ -1726,6 +1751,13 @@ static void rcu_cpu_kthread_setrt(int cpu, int to_rt)
{
}
+static int __init rcu_scheduler_really_started(void)
+{
+ rcu_scheduler_fully_active = 1;
+ return 0;
+}
+early_initcall(rcu_scheduler_really_started);
+
static void __cpuinit rcu_prepare_kthreads(int cpu)
{
}
diff --git a/kernel/sched.c b/kernel/sched.c
index 9769c75..fde6ff9 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2544,13 +2544,9 @@ static int ttwu_remote(struct task_struct *p, int wake_flags)
}
#ifdef CONFIG_SMP
-static void sched_ttwu_pending(void)
+static void sched_ttwu_do_pending(struct task_struct *list)
{
struct rq *rq = this_rq();
- struct task_struct *list = xchg(&rq->wake_list, NULL);
-
- if (!list)
- return;
raw_spin_lock(&rq->lock);
@@ -2563,9 +2559,45 @@ static void sched_ttwu_pending(void)
raw_spin_unlock(&rq->lock);
}
+#ifdef CONFIG_HOTPLUG_CPU
+
+static void sched_ttwu_pending(void)
+{
+ struct rq *rq = this_rq();
+ struct task_struct *list = xchg(&rq->wake_list, NULL);
+
+ if (!list)
+ return;
+
+ sched_ttwu_do_pending(list);
+}
+
+#endif /* CONFIG_HOTPLUG_CPU */
+
void scheduler_ipi(void)
{
- sched_ttwu_pending();
+ struct rq *rq = this_rq();
+ struct task_struct *list = xchg(&rq->wake_list, NULL);
+
+ if (!list)
+ return;
+
+ /*
+ * Not all reschedule IPI handlers call irq_enter/irq_exit, since
+ * traditionally all their work was done from the interrupt return
+ * path. Now that we actually do some work, we need to make sure
+ * we do call them.
+ *
+ * Some archs already do call them, luckily irq_enter/exit nest
+ * properly.
+ *
+ * Arguably we should visit all archs and update all handlers,
+ * however a fair share of IPIs are still resched only so this would
+ * somewhat pessimize the simple resched case.
+ */
+ irq_enter();
+ sched_ttwu_do_pending(list);
+ irq_exit();
}
static void ttwu_queue_remote(struct task_struct *p, int cpu)
@@ -6557,7 +6589,7 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
break;
}
- if (!group->cpu_power) {
+ if (!group->sgp->power) {
printk(KERN_CONT "\n");
printk(KERN_ERR "ERROR: domain->cpu_power not "
"set\n");
@@ -6581,9 +6613,9 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
cpulist_scnprintf(str, sizeof(str), sched_group_cpus(group));
printk(KERN_CONT " %s", str);
- if (group->cpu_power != SCHED_POWER_SCALE) {
+ if (group->sgp->power != SCHED_POWER_SCALE) {
printk(KERN_CONT " (cpu_power = %d)",
- group->cpu_power);
+ group->sgp->power);
}
group = group->next;
@@ -6774,11 +6806,39 @@ static struct root_domain *alloc_rootdomain(void)
return rd;
}
+static void free_sched_groups(struct sched_group *sg, int free_sgp)
+{
+ struct sched_group *tmp, *first;
+
+ if (!sg)
+ return;
+
+ first = sg;
+ do {
+ tmp = sg->next;
+
+ if (free_sgp && atomic_dec_and_test(&sg->sgp->ref))
+ kfree(sg->sgp);
+
+ kfree(sg);
+ sg = tmp;
+ } while (sg != first);
+}
+
static void free_sched_domain(struct rcu_head *rcu)
{
struct sched_domain *sd = container_of(rcu, struct sched_domain, rcu);
- if (atomic_dec_and_test(&sd->groups->ref))
+
+ /*
+ * If its an overlapping domain it has private groups, iterate and
+ * nuke them all.
+ */
+ if (sd->flags & SD_OVERLAP) {
+ free_sched_groups(sd->groups, 1);
+ } else if (atomic_dec_and_test(&sd->groups->ref)) {
+ kfree(sd->groups->sgp);
kfree(sd->groups);
+ }
kfree(sd);
}
@@ -6945,6 +7005,7 @@ int sched_smt_power_savings = 0, sched_mc_power_savings = 0;
struct sd_data {
struct sched_domain **__percpu sd;
struct sched_group **__percpu sg;
+ struct sched_group_power **__percpu sgp;
};
struct s_data {
@@ -6964,15 +7025,73 @@ struct sched_domain_topology_level;
typedef struct sched_domain *(*sched_domain_init_f)(struct sched_domain_topology_level *tl, int cpu);
typedef const struct cpumask *(*sched_domain_mask_f)(int cpu);
+#define SDTL_OVERLAP 0x01
+
struct sched_domain_topology_level {
sched_domain_init_f init;
sched_domain_mask_f mask;
+ int flags;
struct sd_data data;
};
-/*
- * Assumes the sched_domain tree is fully constructed
- */
+static int
+build_overlap_sched_groups(struct sched_domain *sd, int cpu)
+{
+ struct sched_group *first = NULL, *last = NULL, *groups = NULL, *sg;
+ const struct cpumask *span = sched_domain_span(sd);
+ struct cpumask *covered = sched_domains_tmpmask;
+ struct sd_data *sdd = sd->private;
+ struct sched_domain *child;
+ int i;
+
+ cpumask_clear(covered);
+
+ for_each_cpu(i, span) {
+ struct cpumask *sg_span;
+
+ if (cpumask_test_cpu(i, covered))
+ continue;
+
+ sg = kzalloc_node(sizeof(struct sched_group) + cpumask_size(),
+ GFP_KERNEL, cpu_to_node(i));
+
+ if (!sg)
+ goto fail;
+
+ sg_span = sched_group_cpus(sg);
+
+ child = *per_cpu_ptr(sdd->sd, i);
+ if (child->child) {
+ child = child->child;
+ cpumask_copy(sg_span, sched_domain_span(child));
+ } else
+ cpumask_set_cpu(i, sg_span);
+
+ cpumask_or(covered, covered, sg_span);
+
+ sg->sgp = *per_cpu_ptr(sdd->sgp, cpumask_first(sg_span));
+ atomic_inc(&sg->sgp->ref);
+
+ if (cpumask_test_cpu(cpu, sg_span))
+ groups = sg;
+
+ if (!first)
+ first = sg;
+ if (last)
+ last->next = sg;
+ last = sg;
+ last->next = first;
+ }
+ sd->groups = groups;
+
+ return 0;
+
+fail:
+ free_sched_groups(first, 0);
+
+ return -ENOMEM;
+}
+
static int get_group(int cpu, struct sd_data *sdd, struct sched_group **sg)
{
struct sched_domain *sd = *per_cpu_ptr(sdd->sd, cpu);
@@ -6981,24 +7100,24 @@ static int get_group(int cpu, struct sd_data *sdd, struct sched_group **sg)
if (child)
cpu = cpumask_first(sched_domain_span(child));
- if (sg)
+ if (sg) {
*sg = *per_cpu_ptr(sdd->sg, cpu);
+ (*sg)->sgp = *per_cpu_ptr(sdd->sgp, cpu);
+ atomic_set(&(*sg)->sgp->ref, 1); /* for claim_allocations */
+ }
return cpu;
}
/*
- * build_sched_groups takes the cpumask we wish to span, and a pointer
- * to a function which identifies what group(along with sched group) a CPU
- * belongs to. The return value of group_fn must be a >= 0 and < nr_cpu_ids
- * (due to the fact that we keep track of groups covered with a struct cpumask).
- *
* build_sched_groups will build a circular linked list of the groups
* covered by the given span, and will set each group's ->cpumask correctly,
* and ->cpu_power to 0.
+ *
+ * Assumes the sched_domain tree is fully constructed
*/
-static void
-build_sched_groups(struct sched_domain *sd)
+static int
+build_sched_groups(struct sched_domain *sd, int cpu)
{
struct sched_group *first = NULL, *last = NULL;
struct sd_data *sdd = sd->private;
@@ -7006,6 +7125,12 @@ build_sched_groups(struct sched_domain *sd)
struct cpumask *covered;
int i;
+ get_group(cpu, sdd, &sd->groups);
+ atomic_inc(&sd->groups->ref);
+
+ if (cpu != cpumask_first(sched_domain_span(sd)))
+ return 0;
+
lockdep_assert_held(&sched_domains_mutex);
covered = sched_domains_tmpmask;
@@ -7020,7 +7145,7 @@ build_sched_groups(struct sched_domain *sd)
continue;
cpumask_clear(sched_group_cpus(sg));
- sg->cpu_power = 0;
+ sg->sgp->power = 0;
for_each_cpu(j, span) {
if (get_group(j, sdd, NULL) != group)
@@ -7037,6 +7162,8 @@ build_sched_groups(struct sched_domain *sd)
last = sg;
}
last->next = first;
+
+ return 0;
}
/*
@@ -7051,12 +7178,17 @@ build_sched_groups(struct sched_domain *sd)
*/
static void init_sched_groups_power(int cpu, struct sched_domain *sd)
{
- WARN_ON(!sd || !sd->groups);
+ struct sched_group *sg = sd->groups;
- if (cpu != group_first_cpu(sd->groups))
- return;
+ WARN_ON(!sd || !sg);
+
+ do {
+ sg->group_weight = cpumask_weight(sched_group_cpus(sg));
+ sg = sg->next;
+ } while (sg != sd->groups);
- sd->groups->group_weight = cpumask_weight(sched_group_cpus(sd->groups));
+ if (cpu != group_first_cpu(sg))
+ return;
update_group_power(sd, cpu);
}
@@ -7177,15 +7309,15 @@ static enum s_alloc __visit_domain_allocation_hell(struct s_data *d,
static void claim_allocations(int cpu, struct sched_domain *sd)
{
struct sd_data *sdd = sd->private;
- struct sched_group *sg = sd->groups;
WARN_ON_ONCE(*per_cpu_ptr(sdd->sd, cpu) != sd);
*per_cpu_ptr(sdd->sd, cpu) = NULL;
- if (cpu == cpumask_first(sched_group_cpus(sg))) {
- WARN_ON_ONCE(*per_cpu_ptr(sdd->sg, cpu) != sg);
+ if (atomic_read(&(*per_cpu_ptr(sdd->sg, cpu))->ref))
*per_cpu_ptr(sdd->sg, cpu) = NULL;
- }
+
+ if (atomic_read(&(*per_cpu_ptr(sdd->sgp, cpu))->ref))
+ *per_cpu_ptr(sdd->sgp, cpu) = NULL;
}
#ifdef CONFIG_SCHED_SMT
@@ -7210,7 +7342,7 @@ static struct sched_domain_topology_level default_topology[] = {
#endif
{ sd_init_CPU, cpu_cpu_mask, },
#ifdef CONFIG_NUMA
- { sd_init_NODE, cpu_node_mask, },
+ { sd_init_NODE, cpu_node_mask, SDTL_OVERLAP, },
{ sd_init_ALLNODES, cpu_allnodes_mask, },
#endif
{ NULL, },
@@ -7234,9 +7366,14 @@ static int __sdt_alloc(const struct cpumask *cpu_map)
if (!sdd->sg)
return -ENOMEM;
+ sdd->sgp = alloc_percpu(struct sched_group_power *);
+ if (!sdd->sgp)
+ return -ENOMEM;
+
for_each_cpu(j, cpu_map) {
struct sched_domain *sd;
struct sched_group *sg;
+ struct sched_group_power *sgp;
sd = kzalloc_node(sizeof(struct sched_domain) + cpumask_size(),
GFP_KERNEL, cpu_to_node(j));
@@ -7251,6 +7388,13 @@ static int __sdt_alloc(const struct cpumask *cpu_map)
return -ENOMEM;
*per_cpu_ptr(sdd->sg, j) = sg;
+
+ sgp = kzalloc_node(sizeof(struct sched_group_power),
+ GFP_KERNEL, cpu_to_node(j));
+ if (!sgp)
+ return -ENOMEM;
+
+ *per_cpu_ptr(sdd->sgp, j) = sgp;
}
}
@@ -7266,11 +7410,15 @@ static void __sdt_free(const struct cpumask *cpu_map)
struct sd_data *sdd = &tl->data;
for_each_cpu(j, cpu_map) {
- kfree(*per_cpu_ptr(sdd->sd, j));
+ struct sched_domain *sd = *per_cpu_ptr(sdd->sd, j);
+ if (sd && (sd->flags & SD_OVERLAP))
+ free_sched_groups(sd->groups, 0);
kfree(*per_cpu_ptr(sdd->sg, j));
+ kfree(*per_cpu_ptr(sdd->sgp, j));
}
free_percpu(sdd->sd);
free_percpu(sdd->sg);
+ free_percpu(sdd->sgp);
}
}
@@ -7316,8 +7464,13 @@ static int build_sched_domains(const struct cpumask *cpu_map,
struct sched_domain_topology_level *tl;
sd = NULL;
- for (tl = sched_domain_topology; tl->init; tl++)
+ for (tl = sched_domain_topology; tl->init; tl++) {
sd = build_sched_domain(tl, &d, cpu_map, attr, sd, i);
+ if (tl->flags & SDTL_OVERLAP || sched_feat(FORCE_SD_OVERLAP))
+ sd->flags |= SD_OVERLAP;
+ if (cpumask_equal(cpu_map, sched_domain_span(sd)))
+ break;
+ }
while (sd->child)
sd = sd->child;
@@ -7329,13 +7482,13 @@ static int build_sched_domains(const struct cpumask *cpu_map,
for_each_cpu(i, cpu_map) {
for (sd = *per_cpu_ptr(d.sd, i); sd; sd = sd->parent) {
sd->span_weight = cpumask_weight(sched_domain_span(sd));
- get_group(i, sd->private, &sd->groups);
- atomic_inc(&sd->groups->ref);
-
- if (i != cpumask_first(sched_domain_span(sd)))
- continue;
-
- build_sched_groups(sd);
+ if (sd->flags & SD_OVERLAP) {
+ if (build_overlap_sched_groups(sd, i))
+ goto error;
+ } else {
+ if (build_sched_groups(sd, i))
+ goto error;
+ }
}
}
@@ -7757,6 +7910,9 @@ static void init_cfs_rq(struct cfs_rq *cfs_rq, struct rq *rq)
#endif
#endif
cfs_rq->min_vruntime = (u64)(-(1LL << 20));
+#ifndef CONFIG_64BIT
+ cfs_rq->min_vruntime_copy = cfs_rq->min_vruntime;
+#endif
}
static void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 433491c2..c768588 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1585,7 +1585,7 @@ find_idlest_group(struct sched_domain *sd, struct task_struct *p,
}
/* Adjust by relative CPU power of the group */
- avg_load = (avg_load * SCHED_POWER_SCALE) / group->cpu_power;
+ avg_load = (avg_load * SCHED_POWER_SCALE) / group->sgp->power;
if (local_group) {
this_load = avg_load;
@@ -2631,7 +2631,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu)
power >>= SCHED_POWER_SHIFT;
}
- sdg->cpu_power_orig = power;
+ sdg->sgp->power_orig = power;
if (sched_feat(ARCH_POWER))
power *= arch_scale_freq_power(sd, cpu);
@@ -2647,7 +2647,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu)
power = 1;
cpu_rq(cpu)->cpu_power = power;
- sdg->cpu_power = power;
+ sdg->sgp->power = power;
}
static void update_group_power(struct sched_domain *sd, int cpu)
@@ -2665,11 +2665,11 @@ static void update_group_power(struct sched_domain *sd, int cpu)
group = child->groups;
do {
- power += group->cpu_power;
+ power += group->sgp->power;
group = group->next;
} while (group != child->groups);
- sdg->cpu_power = power;
+ sdg->sgp->power = power;
}
/*
@@ -2691,7 +2691,7 @@ fix_small_capacity(struct sched_domain *sd, struct sched_group *group)
/*
* If ~90% of the cpu_power is still there, we're good.
*/
- if (group->cpu_power * 32 > group->cpu_power_orig * 29)
+ if (group->sgp->power * 32 > group->sgp->power_orig * 29)
return 1;
return 0;
@@ -2771,7 +2771,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd,
}
/* Adjust by relative CPU power of the group */
- sgs->avg_load = (sgs->group_load*SCHED_POWER_SCALE) / group->cpu_power;
+ sgs->avg_load = (sgs->group_load*SCHED_POWER_SCALE) / group->sgp->power;
/*
* Consider the group unbalanced when the imbalance is larger
@@ -2788,7 +2788,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd,
if ((max_cpu_load - min_cpu_load) >= avg_load_per_task && max_nr_running > 1)
sgs->group_imb = 1;
- sgs->group_capacity = DIV_ROUND_CLOSEST(group->cpu_power,
+ sgs->group_capacity = DIV_ROUND_CLOSEST(group->sgp->power,
SCHED_POWER_SCALE);
if (!sgs->group_capacity)
sgs->group_capacity = fix_small_capacity(sd, group);
@@ -2877,7 +2877,7 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu,
return;
sds->total_load += sgs.group_load;
- sds->total_pwr += sg->cpu_power;
+ sds->total_pwr += sg->sgp->power;
/*
* In case the child domain prefers tasks go to siblings
@@ -2962,7 +2962,7 @@ static int check_asym_packing(struct sched_domain *sd,
if (this_cpu > busiest_cpu)
return 0;
- *imbalance = DIV_ROUND_CLOSEST(sds->max_load * sds->busiest->cpu_power,
+ *imbalance = DIV_ROUND_CLOSEST(sds->max_load * sds->busiest->sgp->power,
SCHED_POWER_SCALE);
return 1;
}
@@ -2993,7 +2993,7 @@ static inline void fix_small_imbalance(struct sd_lb_stats *sds,
scaled_busy_load_per_task = sds->busiest_load_per_task
* SCHED_POWER_SCALE;
- scaled_busy_load_per_task /= sds->busiest->cpu_power;
+ scaled_busy_load_per_task /= sds->busiest->sgp->power;
if (sds->max_load - sds->this_load + scaled_busy_load_per_task >=
(scaled_busy_load_per_task * imbn)) {
@@ -3007,28 +3007,28 @@ static inline void fix_small_imbalance(struct sd_lb_stats *sds,
* moving them.
*/
- pwr_now += sds->busiest->cpu_power *
+ pwr_now += sds->busiest->sgp->power *
min(sds->busiest_load_per_task, sds->max_load);
- pwr_now += sds->this->cpu_power *
+ pwr_now += sds->this->sgp->power *
min(sds->this_load_per_task, sds->this_load);
pwr_now /= SCHED_POWER_SCALE;
/* Amount of load we'd subtract */
tmp = (sds->busiest_load_per_task * SCHED_POWER_SCALE) /
- sds->busiest->cpu_power;
+ sds->busiest->sgp->power;
if (sds->max_load > tmp)
- pwr_move += sds->busiest->cpu_power *
+ pwr_move += sds->busiest->sgp->power *
min(sds->busiest_load_per_task, sds->max_load - tmp);
/* Amount of load we'd add */
- if (sds->max_load * sds->busiest->cpu_power <
+ if (sds->max_load * sds->busiest->sgp->power <
sds->busiest_load_per_task * SCHED_POWER_SCALE)
- tmp = (sds->max_load * sds->busiest->cpu_power) /
- sds->this->cpu_power;
+ tmp = (sds->max_load * sds->busiest->sgp->power) /
+ sds->this->sgp->power;
else
tmp = (sds->busiest_load_per_task * SCHED_POWER_SCALE) /
- sds->this->cpu_power;
- pwr_move += sds->this->cpu_power *
+ sds->this->sgp->power;
+ pwr_move += sds->this->sgp->power *
min(sds->this_load_per_task, sds->this_load + tmp);
pwr_move /= SCHED_POWER_SCALE;
@@ -3074,7 +3074,7 @@ static inline void calculate_imbalance(struct sd_lb_stats *sds, int this_cpu,
load_above_capacity *= (SCHED_LOAD_SCALE * SCHED_POWER_SCALE);
- load_above_capacity /= sds->busiest->cpu_power;
+ load_above_capacity /= sds->busiest->sgp->power;
}
/*
@@ -3090,8 +3090,8 @@ static inline void calculate_imbalance(struct sd_lb_stats *sds, int this_cpu,
max_pull = min(sds->max_load - sds->avg_load, load_above_capacity);
/* How much load to actually move to equalise the imbalance */
- *imbalance = min(max_pull * sds->busiest->cpu_power,
- (sds->avg_load - sds->this_load) * sds->this->cpu_power)
+ *imbalance = min(max_pull * sds->busiest->sgp->power,
+ (sds->avg_load - sds->this_load) * sds->this->sgp->power)
/ SCHED_POWER_SCALE;
/*
diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index be40f73..1e7066d 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -70,3 +70,5 @@ SCHED_FEAT(NONIRQ_POWER, 1)
* using the scheduler IPI. Reduces rq->lock contention/bounces.
*/
SCHED_FEAT(TTWU_QUEUE, 1)
+
+SCHED_FEAT(FORCE_SD_OVERLAP, 0)
diff --git a/kernel/signal.c b/kernel/signal.c
index ff76786..415d85d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1178,18 +1178,25 @@ struct sighand_struct *__lock_task_sighand(struct task_struct *tsk,
{
struct sighand_struct *sighand;
- rcu_read_lock();
for (;;) {
+ local_irq_save(*flags);
+ rcu_read_lock();
sighand = rcu_dereference(tsk->sighand);
- if (unlikely(sighand == NULL))
+ if (unlikely(sighand == NULL)) {
+ rcu_read_unlock();
+ local_irq_restore(*flags);
break;
+ }
- spin_lock_irqsave(&sighand->siglock, *flags);
- if (likely(sighand == tsk->sighand))
+ spin_lock(&sighand->siglock);
+ if (likely(sighand == tsk->sighand)) {
+ rcu_read_unlock();
break;
- spin_unlock_irqrestore(&sighand->siglock, *flags);
+ }
+ spin_unlock(&sighand->siglock);
+ rcu_read_unlock();
+ local_irq_restore(*flags);
}
- rcu_read_unlock();
return sighand;
}
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 40cf63d..fca82c3 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -315,16 +315,24 @@ static inline void invoke_softirq(void)
{
if (!force_irqthreads)
__do_softirq();
- else
+ else {
+ __local_bh_disable((unsigned long)__builtin_return_address(0),
+ SOFTIRQ_OFFSET);
wakeup_softirqd();
+ __local_bh_enable(SOFTIRQ_OFFSET);
+ }
}
#else
static inline void invoke_softirq(void)
{
if (!force_irqthreads)
do_softirq();
- else
+ else {
+ __local_bh_disable((unsigned long)__builtin_return_address(0),
+ SOFTIRQ_OFFSET);
wakeup_softirqd();
+ __local_bh_enable(SOFTIRQ_OFFSET);
+ }
}
#endif
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5ed24b9..d036e59 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2310,7 +2310,8 @@ static bool pgdat_balanced(pg_data_t *pgdat, unsigned long balanced_pages,
for (i = 0; i <= classzone_idx; i++)
present_pages += pgdat->node_zones[i].present_pages;
- return balanced_pages > (present_pages >> 2);
+ /* A special case here: if zone has no page, we think it's balanced */
+ return balanced_pages >= (present_pages >> 2);
}
/* is kswapd sleeping prematurely? */
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 86bff9b..6e82148 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -528,7 +528,11 @@ static int vlan_dev_init(struct net_device *dev)
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
- dev->hw_features = NETIF_F_ALL_TX_OFFLOADS;
+ dev->hw_features = NETIF_F_ALL_CSUM | NETIF_F_SG |
+ NETIF_F_FRAGLIST | NETIF_F_ALL_TSO |
+ NETIF_F_HIGHDMA | NETIF_F_SCTP_CSUM |
+ NETIF_F_ALL_FCOE;
+
dev->features |= real_dev->vlan_features | NETIF_F_LLTX;
dev->gso_max_size = real_dev->gso_max_size;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index d3a05b9..bcd158f 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -393,6 +393,9 @@ int hci_conn_del(struct hci_conn *conn)
hci_dev_put(hdev);
+ if (conn->handle == 0)
+ kfree(conn);
+
return 0;
}
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index c405a95..43b4c2d 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -464,7 +464,8 @@ static void hidp_idle_timeout(unsigned long arg)
{
struct hidp_session *session = (struct hidp_session *) arg;
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
}
static void hidp_set_timer(struct hidp_session *session)
@@ -535,7 +536,8 @@ static void hidp_process_hid_control(struct hidp_session *session,
skb_queue_purge(&session->ctrl_transmit);
skb_queue_purge(&session->intr_transmit);
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(current);
}
}
@@ -706,9 +708,8 @@ static int hidp_session(void *arg)
add_wait_queue(sk_sleep(intr_sk), &intr_wait);
session->waiting_for_startup = 0;
wake_up_interruptible(&session->startup_queue);
- while (!kthread_should_stop()) {
- set_current_state(TASK_INTERRUPTIBLE);
-
+ set_current_state(TASK_INTERRUPTIBLE);
+ while (!atomic_read(&session->terminate)) {
if (ctrl_sk->sk_state != BT_CONNECTED ||
intr_sk->sk_state != BT_CONNECTED)
break;
@@ -726,6 +727,7 @@ static int hidp_session(void *arg)
hidp_process_transmit(session);
schedule();
+ set_current_state(TASK_INTERRUPTIBLE);
}
set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(intr_sk), &intr_wait);
@@ -1060,7 +1062,8 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
err_add_device:
hid_destroy_device(session->hid);
session->hid = NULL;
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
unlink:
hidp_del_timer(session);
@@ -1111,7 +1114,8 @@ int hidp_del_connection(struct hidp_conndel_req *req)
skb_queue_purge(&session->ctrl_transmit);
skb_queue_purge(&session->intr_transmit);
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
}
} else
err = -ENOENT;
diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h
index 19e9500..af1bcc8 100644
--- a/net/bluetooth/hidp/hidp.h
+++ b/net/bluetooth/hidp/hidp.h
@@ -142,6 +142,7 @@ struct hidp_session {
uint ctrl_mtu;
uint intr_mtu;
+ atomic_t terminate;
struct task_struct *task;
unsigned char keys[8];
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 56fdd91..7705e26 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -620,7 +620,8 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
struct sock *parent = bt_sk(sk)->parent;
rsp.result = cpu_to_le16(L2CAP_CR_PEND);
rsp.status = cpu_to_le16(L2CAP_CS_AUTHOR_PEND);
- parent->sk_data_ready(parent, 0);
+ if (parent)
+ parent->sk_data_ready(parent, 0);
} else {
sk->sk_state = BT_CONFIG;
@@ -2323,7 +2324,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
sk = chan->sk;
- if (sk->sk_state != BT_CONFIG) {
+ if (sk->sk_state != BT_CONFIG && sk->sk_state != BT_CONNECT2) {
struct l2cap_cmd_rej rej;
rej.reason = cpu_to_le16(0x0002);
@@ -2334,7 +2335,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
/* Reject if config buffer is too small. */
len = cmd_len - sizeof(*req);
- if (chan->conf_len + len > sizeof(chan->conf_req)) {
+ if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
l2cap_build_conf_rsp(chan, rsp,
L2CAP_CONF_REJECT, flags), rsp);
@@ -4009,7 +4010,8 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
struct sock *parent = bt_sk(sk)->parent;
res = L2CAP_CR_PEND;
stat = L2CAP_CS_AUTHOR_PEND;
- parent->sk_data_ready(parent, 0);
+ if (parent)
+ parent->sk_data_ready(parent, 0);
} else {
sk->sk_state = BT_CONFIG;
res = L2CAP_CR_SUCCESS;
diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c
index a3a3a31..41466cc 100644
--- a/net/ceph/ceph_fs.c
+++ b/net/ceph/ceph_fs.c
@@ -36,16 +36,19 @@ int ceph_flags_to_mode(int flags)
if ((flags & O_DIRECTORY) == O_DIRECTORY)
return CEPH_FILE_MODE_PIN;
#endif
- if ((flags & O_APPEND) == O_APPEND)
- flags |= O_WRONLY;
- if ((flags & O_ACCMODE) == O_RDWR)
- mode = CEPH_FILE_MODE_RDWR;
- else if ((flags & O_ACCMODE) == O_WRONLY)
+ switch (flags & O_ACCMODE) {
+ case O_WRONLY:
mode = CEPH_FILE_MODE_WR;
- else
+ break;
+ case O_RDONLY:
mode = CEPH_FILE_MODE_RD;
-
+ break;
+ case O_RDWR:
+ case O_ACCMODE: /* this is what the VFS does */
+ mode = CEPH_FILE_MODE_RDWR;
+ break;
+ }
#ifdef O_LAZY
if (flags & O_LAZY)
mode |= CEPH_FILE_MODE_LAZY;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 58ffa7d..669d2e3 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -877,7 +877,8 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
local->sched_scan_ies.ie[i] = kzalloc(2 +
IEEE80211_MAX_SSID_LEN +
- local->scan_ies_len,
+ local->scan_ies_len +
+ req->ie_len,
GFP_KERNEL);
if (!local->sched_scan_ies.ie[i]) {
ret = -ENOMEM;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index d91c1a2..8f6a302 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -86,6 +86,11 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ int queue = rx->queue;
+
+ /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
+ if (rx->queue == NUM_RX_DATA_QUEUES - 1)
+ queue = 0;
/*
* it makes no sense to check for MIC errors on anything other
@@ -148,8 +153,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
update_iv:
/* update IV in key information to be able to detect replays */
- rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32;
- rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16;
+ rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32;
+ rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16;
return RX_CONTINUE;
@@ -241,6 +246,11 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
struct ieee80211_key *key = rx->key;
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+ int queue = rx->queue;
+
+ /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
+ if (rx->queue == NUM_RX_DATA_QUEUES - 1)
+ queue = 0;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -261,7 +271,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->sta.addr,
- hdr->addr1, hwaccel, rx->queue,
+ hdr->addr1, hwaccel, queue,
&rx->tkip_iv32,
&rx->tkip_iv16);
if (res != TKIP_DECRYPT_OK)
diff --git a/net/sctp/output.c b/net/sctp/output.c
index b4f3cf0..08b3cea 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -500,23 +500,20 @@ int sctp_packet_transmit(struct sctp_packet *packet)
* Note: Adler-32 is no longer applicable, as has been replaced
* by CRC32-C as described in <draft-ietf-tsvwg-sctpcsum-02.txt>.
*/
- if (!sctp_checksum_disable &&
- !(dst->dev->features & (NETIF_F_NO_CSUM | NETIF_F_SCTP_CSUM))) {
- __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
+ if (!sctp_checksum_disable) {
+ if (!(dst->dev->features & NETIF_F_SCTP_CSUM)) {
+ __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
- /* 3) Put the resultant value into the checksum field in the
- * common header, and leave the rest of the bits unchanged.
- */
- sh->checksum = sctp_end_cksum(crc32);
- } else {
- if (dst->dev->features & NETIF_F_SCTP_CSUM) {
+ /* 3) Put the resultant value into the checksum field in the
+ * common header, and leave the rest of the bits unchanged.
+ */
+ sh->checksum = sctp_end_cksum(crc32);
+ } else {
/* no need to seed pseudo checksum for SCTP */
nskb->ip_summed = CHECKSUM_PARTIAL;
nskb->csum_start = (skb_transport_header(nskb) -
nskb->head);
nskb->csum_offset = offsetof(struct sctphdr, checksum);
- } else {
- nskb->ip_summed = CHECKSUM_UNNECESSARY;
}
}
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 1c88c89..d036821 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -1582,6 +1582,8 @@ static void sctp_check_transmitted(struct sctp_outq *q,
#endif /* SCTP_DEBUG */
if (transport) {
if (bytes_acked) {
+ struct sctp_association *asoc = transport->asoc;
+
/* We may have counted DATA that was migrated
* to this transport due to DEL-IP operation.
* Subtract those bytes, since the were never
@@ -1600,6 +1602,17 @@ static void sctp_check_transmitted(struct sctp_outq *q,
transport->error_count = 0;
transport->asoc->overall_error_count = 0;
+ /*
+ * While in SHUTDOWN PENDING, we may have started
+ * the T5 shutdown guard timer after reaching the
+ * retransmission limit. Stop that timer as soon
+ * as the receiver acknowledged any data.
+ */
+ if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING &&
+ del_timer(&asoc->timers
+ [SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]))
+ sctp_association_put(asoc);
+
/* Mark the destination transport address as
* active if it is not so marked.
*/
@@ -1629,10 +1642,15 @@ static void sctp_check_transmitted(struct sctp_outq *q,
* A sender is doing zero window probing when the
* receiver's advertised window is zero, and there is
* only one data chunk in flight to the receiver.
+ *
+ * Allow the association to timeout while in SHUTDOWN
+ * PENDING or SHUTDOWN RECEIVED in case the receiver
+ * stays in zero window mode forever.
*/
if (!q->asoc->peer.rwnd &&
!list_empty(&tlist) &&
- (sack_ctsn+2 == q->asoc->next_tsn)) {
+ (sack_ctsn+2 == q->asoc->next_tsn) &&
+ q->asoc->state < SCTP_STATE_SHUTDOWN_PENDING) {
SCTP_DEBUG_PRINTK("%s: SACK received for zero "
"window probe: %u\n",
__func__, sack_ctsn);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 534c2e5..6e0f882 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -670,10 +670,19 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
/* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the
* HEARTBEAT should clear the error counter of the destination
* transport address to which the HEARTBEAT was sent.
- * The association's overall error count is also cleared.
*/
t->error_count = 0;
- t->asoc->overall_error_count = 0;
+
+ /*
+ * Although RFC4960 specifies that the overall error count must
+ * be cleared when a HEARTBEAT ACK is received, we make an
+ * exception while in SHUTDOWN PENDING. If the peer keeps its
+ * window shut forever, we may never be able to transmit our
+ * outstanding data and rely on the retransmission limit be reached
+ * to shutdown the association.
+ */
+ if (t->asoc->state != SCTP_STATE_SHUTDOWN_PENDING)
+ t->asoc->overall_error_count = 0;
/* Clear the hb_sent flag to signal that we had a good
* acknowledgement.
@@ -1437,6 +1446,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
sctp_cmd_setup_t2(commands, asoc, cmd->obj.ptr);
break;
+ case SCTP_CMD_TIMER_START_ONCE:
+ timer = &asoc->timers[cmd->obj.to];
+
+ if (timer_pending(timer))
+ break;
+ /* fall through */
+
case SCTP_CMD_TIMER_START:
timer = &asoc->timers[cmd->obj.to];
timeout = asoc->timeouts[cmd->obj.to];
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index a297283..2461171 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5154,7 +5154,7 @@ sctp_disposition_t sctp_sf_do_9_2_start_shutdown(
* The sender of the SHUTDOWN MAY also start an overall guard timer
* 'T5-shutdown-guard' to bound the overall time for shutdown sequence.
*/
- sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START,
+ sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
if (asoc->autoclose)
@@ -5299,14 +5299,28 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS);
if (asoc->overall_error_count >= asoc->max_retrans) {
- sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
- SCTP_ERROR(ETIMEDOUT));
- /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
- sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
- SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
- return SCTP_DISPOSITION_DELETE_TCB;
+ if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
+ /*
+ * We are here likely because the receiver had its rwnd
+ * closed for a while and we have not been able to
+ * transmit the locally queued data within the maximum
+ * retransmission attempts limit. Start the T5
+ * shutdown guard timer to give the receiver one last
+ * chance and some additional time to recover before
+ * aborting.
+ */
+ sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START_ONCE,
+ SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
+ } else {
+ sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
+ SCTP_ERROR(ETIMEDOUT));
+ /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
+ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
+ SCTP_PERR(SCTP_ERROR_NO_ERROR));
+ SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ return SCTP_DISPOSITION_DELETE_TCB;
+ }
}
/* E1) For the destination address for which the timer
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 0338dc6..7c211a7 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -827,7 +827,7 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
- TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
+ TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 08c6238..d3ccf79 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1384,6 +1384,7 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct list_head *pos, *temp;
+ unsigned int data_was_unread;
SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout);
@@ -1393,6 +1394,10 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
ep = sctp_sk(sk)->ep;
+ /* Clean up any skbs sitting on the receive queue. */
+ data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
+ data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
+
/* Walk all associations on an endpoint. */
list_for_each_safe(pos, temp, &ep->asocs) {
asoc = list_entry(pos, struct sctp_association, asocs);
@@ -1410,7 +1415,9 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
}
}
- if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) {
+ if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) ||
+ !skb_queue_empty(&asoc->ulpq.reasm) ||
+ (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) {
struct sctp_chunk *chunk;
chunk = sctp_make_abort_user(asoc, NULL, 0);
@@ -1420,10 +1427,6 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
sctp_primitive_SHUTDOWN(asoc, NULL);
}
- /* Clean up any skbs sitting on the receive queue. */
- sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
- sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
-
/* On a TCP-style socket, block for at most linger_time if set. */
if (sctp_style(sk, TCP) && timeout)
sctp_wait_for_close(sk, timeout);
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index e70e5fc..8a84017 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -1081,9 +1081,19 @@ void sctp_ulpevent_free(struct sctp_ulpevent *event)
}
/* Purge the skb lists holding ulpevents. */
-void sctp_queue_purge_ulpevents(struct sk_buff_head *list)
+unsigned int sctp_queue_purge_ulpevents(struct sk_buff_head *list)
{
struct sk_buff *skb;
- while ((skb = skb_dequeue(list)) != NULL)
- sctp_ulpevent_free(sctp_skb2event(skb));
+ unsigned int data_unread = 0;
+
+ while ((skb = skb_dequeue(list)) != NULL) {
+ struct sctp_ulpevent *event = sctp_skb2event(skb);
+
+ if (!sctp_ulpevent_is_notification(event))
+ data_unread += skb->len;
+
+ sctp_ulpevent_free(event);
+ }
+
+ return data_unread;
}
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 9a80a92..e45d2fb 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -597,7 +597,7 @@ void rpcb_getport_async(struct rpc_task *task)
u32 bind_version;
struct rpc_xprt *xprt;
struct rpc_clnt *rpcb_clnt;
- static struct rpcbind_args *map;
+ struct rpcbind_args *map;
struct rpc_task *child;
struct sockaddr_storage addr;
struct sockaddr *sap = (struct sockaddr *)&addr;
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index a27406b..4814e24 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -616,30 +616,25 @@ static void __rpc_execute(struct rpc_task *task)
BUG_ON(RPC_IS_QUEUED(task));
for (;;) {
+ void (*do_action)(struct rpc_task *);
/*
- * Execute any pending callback.
+ * Execute any pending callback first.
*/
- if (task->tk_callback) {
- void (*save_callback)(struct rpc_task *);
-
- /*
- * We set tk_callback to NULL before calling it,
- * in case it sets the tk_callback field itself:
- */
- save_callback = task->tk_callback;
- task->tk_callback = NULL;
- save_callback(task);
- } else {
+ do_action = task->tk_callback;
+ task->tk_callback = NULL;
+ if (do_action == NULL) {
/*
* Perform the next FSM step.
- * tk_action may be NULL when the task has been killed
- * by someone else.
+ * tk_action may be NULL if the task has been killed.
+ * In particular, note that rpc_killall_tasks may
+ * do this at any time, so beware when dereferencing.
*/
- if (task->tk_action == NULL)
+ do_action = task->tk_action;
+ if (do_action == NULL)
break;
- task->tk_action(task);
}
+ do_action(task);
/*
* Lockless check for whether task is sleeping or not.
diff --git a/net/wireless/core.c b/net/wireless/core.c
index c22ef34..880dbe2 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -366,6 +366,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
mutex_init(&rdev->mtx);
mutex_init(&rdev->devlist_mtx);
+ mutex_init(&rdev->sched_scan_mtx);
INIT_LIST_HEAD(&rdev->netdev_list);
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
@@ -701,6 +702,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
rfkill_destroy(rdev->rfkill);
mutex_destroy(&rdev->mtx);
mutex_destroy(&rdev->devlist_mtx);
+ mutex_destroy(&rdev->sched_scan_mtx);
list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)
cfg80211_put_bss(&scan->pub);
cfg80211_rdev_free_wowlan(rdev);
@@ -737,12 +739,16 @@ static void wdev_cleanup_work(struct work_struct *work)
___cfg80211_scan_done(rdev, true);
}
+ cfg80211_unlock_rdev(rdev);
+
+ mutex_lock(&rdev->sched_scan_mtx);
+
if (WARN_ON(rdev->sched_scan_req &&
rdev->sched_scan_req->dev == wdev->netdev)) {
__cfg80211_stop_sched_scan(rdev, false);
}
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
mutex_lock(&rdev->devlist_mtx);
rdev->opencount--;
@@ -830,9 +836,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
- cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, false);
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 3dce1f1..a570ff9 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -65,6 +65,8 @@ struct cfg80211_registered_device {
struct work_struct scan_done_wk;
struct work_struct sched_scan_results_wk;
+ struct mutex sched_scan_mtx;
+
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
#endif
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f07602d..cea3381 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3461,9 +3461,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
- if (rdev->sched_scan_req)
- return -EINPROGRESS;
-
if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
return -EINVAL;
@@ -3502,12 +3499,21 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len > wiphy->max_scan_ie_len)
return -EINVAL;
+ mutex_lock(&rdev->sched_scan_mtx);
+
+ if (rdev->sched_scan_req) {
+ err = -EINPROGRESS;
+ goto out;
+ }
+
request = kzalloc(sizeof(*request)
+ sizeof(*request->ssids) * n_ssids
+ sizeof(*request->channels) * n_channels
+ ie_len, GFP_KERNEL);
- if (!request)
- return -ENOMEM;
+ if (!request) {
+ err = -ENOMEM;
+ goto out;
+ }
if (n_ssids)
request->ssids = (void *)&request->channels[n_channels];
@@ -3605,6 +3611,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
out_free:
kfree(request);
out:
+ mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -3612,12 +3619,17 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_stop)
return -EOPNOTSUPP;
- return __cfg80211_stop_sched_scan(rdev, false);
+ mutex_lock(&rdev->sched_scan_mtx);
+ err = __cfg80211_stop_sched_scan(rdev, false);
+ mutex_unlock(&rdev->sched_scan_mtx);
+
+ return err;
}
static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7a6c676..ae0c225 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -100,14 +100,14 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
rdev = container_of(wk, struct cfg80211_registered_device,
sched_scan_results_wk);
- cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->sched_scan_mtx);
/* we don't have sched_scan_req anymore if the scan is stopping */
if (rdev->sched_scan_req)
nl80211_send_sched_scan_results(rdev,
rdev->sched_scan_req->dev);
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
}
void cfg80211_sched_scan_results(struct wiphy *wiphy)
@@ -123,9 +123,9 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, true);
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
}
EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
@@ -135,7 +135,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
int err;
struct net_device *dev;
- ASSERT_RDEV_LOCK(rdev);
+ lockdep_assert_held(&rdev->sched_scan_mtx);
if (!rdev->sched_scan_req)
return 0;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d70f85e..9414b9c 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1345,6 +1345,8 @@ out:
xfrm_state_check_expire(x1);
err = 0;
+ x->km.state = XFRM_STATE_DEAD;
+ __xfrm_state_put(x);
}
spin_unlock_bh(&x1->lock);
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index 3b029cb..a272356 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -21,13 +21,15 @@ fi
# older versions of depmod require the version string to start with three
# numbers, so we cheat with a symlink here
depmod_hack_needed=true
-mkdir -p .tmp_depmod/lib/modules/$KERNELRELEASE
-if "$DEPMOD" -b .tmp_depmod $KERNELRELEASE 2>/dev/null; then
- if test -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep -o \
- -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep.bin; then
+tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
+mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
+if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
+ if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
+ -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
depmod_hack_needed=false
fi
fi
+rm -rf "$tmp_dir"
if $depmod_hack_needed; then
symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
ln -s "$KERNELRELEASE" "$symlink"
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index c2fc035..83014a7 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1190,7 +1190,6 @@ SND_SOC_DAPM_INPUT("DMIC1DAT"),
SND_SOC_DAPM_INPUT("DMIC2DAT"),
SND_SOC_DAPM_INPUT("Clock"),
-SND_SOC_DAPM_MICBIAS("MICBIAS", WM8994_MICBIAS, 2, 0),
SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
SND_SOC_DAPM_PRE_PMU),
@@ -1509,8 +1508,10 @@ static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
{ "AIF2DACDAT", NULL, "AIF1DACDAT" },
{ "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
{ "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
- { "MICBIAS", NULL, "CLK_SYS" },
- { "MICBIAS", NULL, "MICBIAS Supply" },
+ { "MICBIAS1", NULL, "CLK_SYS" },
+ { "MICBIAS1", NULL, "MICBIAS Supply" },
+ { "MICBIAS2", NULL, "CLK_SYS" },
+ { "MICBIAS2", NULL, "MICBIAS Supply" },
};
static const struct snd_soc_dapm_route wm8994_intercon[] = {
@@ -2763,7 +2764,7 @@ static void wm8958_default_micdet(u16 status, void *data)
report = SND_JACK_MICROPHONE;
/* Everything else is buttons; just assign slots */
- if (status & 0x1c0)
+ if (status & 0x1c)
report |= SND_JACK_BTN_0;
done:
diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c
index d6f4703..770a71a 100644
--- a/sound/soc/sh/fsi-ak4642.c
+++ b/sound/soc/sh/fsi-ak4642.c
@@ -97,7 +97,7 @@ static int fsi_ak4642_remove(struct platform_device *pdev)
static struct fsi_ak4642_data fsi_a_ak4642 = {
.name = "AK4642",
- .card = "FSIA (AK4642)",
+ .card = "FSIA-AK4642",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi.0",
@@ -106,7 +106,7 @@ static struct fsi_ak4642_data fsi_a_ak4642 = {
static struct fsi_ak4642_data fsi_b_ak4642 = {
.name = "AK4642",
- .card = "FSIB (AK4642)",
+ .card = "FSIB-AK4642",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi.0",
@@ -115,7 +115,7 @@ static struct fsi_ak4642_data fsi_b_ak4642 = {
static struct fsi_ak4642_data fsi_a_ak4643 = {
.name = "AK4643",
- .card = "FSIA (AK4643)",
+ .card = "FSIA-AK4643",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi.0",
@@ -124,7 +124,7 @@ static struct fsi_ak4642_data fsi_a_ak4643 = {
static struct fsi_ak4642_data fsi_b_ak4643 = {
.name = "AK4643",
- .card = "FSIB (AK4643)",
+ .card = "FSIB-AK4643",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi.0",
@@ -133,7 +133,7 @@ static struct fsi_ak4642_data fsi_b_ak4643 = {
static struct fsi_ak4642_data fsi2_a_ak4642 = {
.name = "AK4642",
- .card = "FSI2A (AK4642)",
+ .card = "FSI2A-AK4642",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi2",
@@ -142,7 +142,7 @@ static struct fsi_ak4642_data fsi2_a_ak4642 = {
static struct fsi_ak4642_data fsi2_b_ak4642 = {
.name = "AK4642",
- .card = "FSI2B (AK4642)",
+ .card = "FSI2B-AK4642",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi2",
@@ -151,7 +151,7 @@ static struct fsi_ak4642_data fsi2_b_ak4642 = {
static struct fsi_ak4642_data fsi2_a_ak4643 = {
.name = "AK4643",
- .card = "FSI2A (AK4643)",
+ .card = "FSI2A-AK4643",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
@@ -160,7 +160,7 @@ static struct fsi_ak4642_data fsi2_a_ak4643 = {
static struct fsi_ak4642_data fsi2_b_ak4643 = {
.name = "AK4643",
- .card = "FSI2B (AK4643)",
+ .card = "FSI2B-AK4643",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
diff --git a/sound/soc/sh/fsi-da7210.c b/sound/soc/sh/fsi-da7210.c
index dbafd7a..59553fd 100644
--- a/sound/soc/sh/fsi-da7210.c
+++ b/sound/soc/sh/fsi-da7210.c
@@ -42,7 +42,7 @@ static struct snd_soc_dai_link fsi_da7210_dai = {
};
static struct snd_soc_card fsi_soc_card = {
- .name = "FSI (DA7210)",
+ .name = "FSI-DA7210",
.dai_link = &fsi_da7210_dai,
.num_links = 1,
};
diff --git a/sound/soc/sh/fsi-hdmi.c b/sound/soc/sh/fsi-hdmi.c
index 9719985..d3d9fd8 100644
--- a/sound/soc/sh/fsi-hdmi.c
+++ b/sound/soc/sh/fsi-hdmi.c
@@ -83,13 +83,13 @@ static int fsi_hdmi_remove(struct platform_device *pdev)
static struct fsi_hdmi_data fsi2_a_hdmi = {
.cpu_dai = "fsia-dai",
- .card = "FSI2A (SH MOBILE HDMI)",
+ .card = "FSI2A-HDMI",
.id = FSI_PORT_A,
};
static struct fsi_hdmi_data fsi2_b_hdmi = {
.cpu_dai = "fsib-dai",
- .card = "FSI2B (SH MOBILE HDMI)",
+ .card = "FSI2B-HDMI",
.id = FSI_PORT_B,
};

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