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2008-09-09Linux 2.6.27-rc6v2.6.27-rc6Linus Torvalds1-1/+1
2008-09-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds9-51/+89
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: ipv6: Fix OOPS in ip6_dst_lookup_tail(). ipsec: Restore larval states and socket policies in dump [Bluetooth] Reject L2CAP connections on an insecure ACL link [Bluetooth] Enforce correct authentication requirements [Bluetooth] Fix reference counting during ACL config stage
2008-09-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds1-0/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Disable timer interrupts in fixup_irqs().
2008-09-09ipv6: Fix OOPS in ip6_dst_lookup_tail().Neil Horman1-32/+32
This fixes kernel bugzilla 11469: "TUN with 1024 neighbours: ip6_dst_lookup_tail NULL crash" dst->neighbour is not necessarily hooked up at this point in the processing path, so blindly dereferencing it is the wrong thing to do. This NULL check exists in other similar paths and this case was just an oversight. Also fix the completely wrong and confusing indentation here while we're at it. Based upon a patch by Evgeniy Polyakov. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-09Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds1-10/+8
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: clockevents: remove WARN_ON which was used to gather information
2008-09-09clockevents: remove WARN_ON which was used to gather informationThomas Gleixner1-10/+8
The issue of the endless reprogramming loop due to a too small min_delta_ns was fixed with the previous updates of the clock events code, but we had no information about the spread of this problem. I added a WARN_ON to get automated information via kerneloops.org and to get some direct reports, which allowed me to analyse the affected machines. The WARN_ON has served its purpose and would be annoying for a release kernel. Remove it and just keep the information about the increase of the min_delta_ns value. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-09-09Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds3-7/+10
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: fix memmap=exactmap boot argument x86: disable static NOPLs on 32 bits xen: fix 2.6.27-rc5 xen balloon driver warnings
2008-09-09x86: fix memmap=exactmap boot argumentPrarit Bhargava1-1/+1
When using kdump modifying the e820 map is yielding strange results. For example starting with BIOS-provided physical RAM map: BIOS-e820: 0000000000000100 - 0000000000093400 (usable) BIOS-e820: 0000000000093400 - 00000000000a0000 (reserved) BIOS-e820: 0000000000100000 - 000000003fee0000 (usable) BIOS-e820: 000000003fee0000 - 000000003fef3000 (ACPI data) BIOS-e820: 000000003fef3000 - 000000003ff80000 (ACPI NVS) BIOS-e820: 000000003ff80000 - 0000000040000000 (reserved) BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) BIOS-e820: 00000000ff000000 - 0000000100000000 (reserved) and booting with args memmap=exactmap memmap=640K@0K memmap=5228K@16384K memmap=125188K@22252K memmap=76K#1047424K memmap=564K#1047500K resulted in: user-defined physical RAM map: user: 0000000000000000 - 0000000000093400 (usable) user: 0000000000093400 - 00000000000a0000 (reserved) user: 0000000000100000 - 000000003fee0000 (usable) user: 000000003fee0000 - 000000003fef3000 (ACPI data) user: 000000003fef3000 - 000000003ff80000 (ACPI NVS) user: 000000003ff80000 - 0000000040000000 (reserved) user: 00000000e0000000 - 00000000f0000000 (reserved) user: 00000000fec00000 - 00000000fec10000 (reserved) user: 00000000fee00000 - 00000000fee01000 (reserved) user: 00000000ff000000 - 0000000100000000 (reserved) But should have resulted in: user-defined physical RAM map: user: 0000000000000000 - 00000000000a0000 (usable) user: 0000000001000000 - 000000000151b000 (usable) user: 00000000015bb000 - 0000000008ffc000 (usable) user: 000000003fee0000 - 000000003ff80000 (ACPI data) This is happening because of an improper usage of strcmp() in the e820 parsing code. The strcmp() always returns !0 and never resets the value for e820.nr_map and returns an incorrect user-defined map. This patch fixes the problem. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-09Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds6-18/+61
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] cio: allow offline processing for disconnected devices [S390] cio: handle ssch() return codes correctly. [S390] cio: Correct cleanup on error. [S390] CVE-2008-1514: prevent ptrace padding area read/write in 31-bit mode
2008-09-09Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds1-1/+1
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] IP22: Fix detection of second HPC3 on Challenge S
2008-09-09Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubifs-2.6Linus Torvalds10-141/+221
* 'linux-next' of git://git.infradead.org/~dedekind/ubifs-2.6: UBIFS: make minimum fanout 3 UBIFS: fix division by zero UBIFS: amend f_fsid UBIFS: fill f_fsid UBIFS: improve statfs reporting even more UBIFS: introduce LEB overhead UBIFS: add forgotten gc_idx_lebs component UBIFS: fix assertion UBIFS: improve statfs reporting UBIFS: remove incorrect index space check UBIFS: push empty flash hack down UBIFS: do not update min_idx_lebs in stafs UBIFS: allow for racing between GC and TNC UBIFS: always read hashed-key nodes under TNC mutex UBIFS: fix zero-length truncations
2008-09-09lib: Correct printk %pF to work on all architecturesJames Bottomley8-11/+56
It was introduced by "vsprintf: add support for '%pS' and '%pF' pointer formats" in commit 0fe1ef24f7bd0020f29ffe287dfdb9ead33ca0b2. However, the current way its coded doesn't work on parisc64. For two reasons: 1) parisc isn't in the #ifdef and 2) parisc has a different format for function descriptors Make dereference_function_descriptor() more accommodating by allowing architecture overrides. I put the three overrides (for parisc64, ppc64 and ia64) in arch/kernel/module.c because that's where the kernel internal linker which knows how to deal with function descriptors sits. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Tony Luck <tony.luck@intel.com> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-09MAINTAINERS: add Atheros maintainer for atlxChris Snook1-1/+3
Jie Yang at Atheros is getting more directly involved with upstream work on the atl* drivers. This patch changes the ATL1 entry to ATLX (atl2 support posted to netdev today) and adds him as a maintainer. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-09update Documentation/filesystems/Locking for 2.6.27 changesChristoph Hellwig1-11/+4
In the 2.6.27 circle ->fasync lost the BKL, and the last remaining ->open variant that takes the BKL is also gone. ->get_sb and ->kill_sb didn't have BKL forever, so updated the entries while we're at that. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-09ipsec: Restore larval states and socket policies in dumpHerbert Xu2-0/+3
The commit commit 4c563f7669c10a12354b72b518c2287ffc6ebfb3 ("[XFRM]: Speed up xfrm_policy and xfrm_state walking") inadvertently removed larval states and socket policies from netlink dumps. This patch restores them. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-09[S390] cio: allow offline processing for disconnected devicesPeter Oberparleiter1-0/+7
When disconnected ccw devices are removed, the device has to be set offline, otherwise there will be side effects including a reference count imbalance. This patch modifies ccw_device_offline to work for devices in disconnecte/not operational state. ccw_device_offline is called by cio for devices which are online during device removal. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-09-09[S390] cio: handle ssch() return codes correctly.Cornelia Huck1-1/+3
ssch() has two classes of return codes: - condition codes (0-3) which need to be translated to Linux error codes - Linux error codes (-EIO on exceptions) which should be passed to the caller (instead of erronously being handled like condition code 3) Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-09-09[S390] cio: Correct cleanup on error.Cornelia Huck2-17/+22
Fix cleanup on error in chp_new() and init_channel_subsystem() (must not call kfree() on structures that had been registered). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-09-09[S390] CVE-2008-1514: prevent ptrace padding area read/write in 31-bit modeJarod Wilson2-0/+29
When running a 31-bit ptrace, on either an s390 or s390x kernel, reads and writes into a padding area in struct user_regs_struct32 will result in a kernel panic. This is also known as CVE-2008-1514. Test case available here: http://sources.redhat.com/cgi-bin/cvsweb.cgi/~checkout~/tests/ptrace-tests/tests/user-area-padding.c?cvsroot=systemtap Steps to reproduce: 1) wget the above 2) gcc -o user-area-padding-31bit user-area-padding.c -Wall -ggdb2 -D_GNU_SOURCE -m31 3) ./user-area-padding-31bit <panic> Test status ----------- Without patch, both s390 and s390x kernels panic. With patch, the test case, as well as the gdb testsuite, pass without incident, padding area reads returning zero, writes ignored. Nb: original version returned -EINVAL on write attempts, which broke the gdb test and made the test case slightly unhappy, Jan Kratochvil suggested the change to return 0 on write attempts. Signed-off-by: Jarod Wilson <jarod@redhat.com> Tested-by: Jan Kratochvil <jan.kratochvil@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-09-09Merge branch 'master' of ↵David S. Miller6-19/+54
2008-09-09[Bluetooth] Reject L2CAP connections on an insecure ACL linkMarcel Holtmann4-5/+26
The Security Mode 4 of the Bluetooth 2.1 specification has strict authentication and encryption requirements. It is the initiators job to create a secure ACL link. However in case of malicious devices, the acceptor has to make sure that the ACL is encrypted before allowing any kind of L2CAP connection. The only exception here is the PSM 1 for the service discovery protocol, because that is allowed to run on an insecure ACL link. Previously it was enough to reject a L2CAP connection during the connection setup phase, but with Bluetooth 2.1 it is forbidden to do any L2CAP protocol exchange on an insecure link (except SDP). The new hci_conn_check_link_mode() function can be used to check the integrity of an ACL link. This functions also takes care of the cases where Security Mode 4 is disabled or one of the devices is based on an older specification. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2008-09-09[Bluetooth] Enforce correct authentication requirementsMarcel Holtmann4-7/+24
With the introduction of Security Mode 4 and Simple Pairing from the Bluetooth 2.1 specification it became mandatory that the initiator requires authentication and encryption before any L2CAP channel can be established. The only exception here is PSM 1 for the service discovery protocol (SDP). It is meant to be used without any encryption since it contains only public information. This is how Bluetooth 2.0 and before handle connections on PSM 1. For Bluetooth 2.1 devices the pairing procedure differentiates between no bonding, general bonding and dedicated bonding. The L2CAP layer wrongly uses always general bonding when creating new connections, but it should not do this for SDP connections. In this case the authentication requirement should be no bonding and the just-works model should be used, but in case of non-SDP connection it is required to use general bonding. If the new connection requires man-in-the-middle (MITM) protection, it also first wrongly creates an unauthenticated link key and then later on requests an upgrade to an authenticated link key to provide full MITM protection. With Simple Pairing the link key generation is an expensive operation (compared to Bluetooth 2.0 and before) and doing this twice during a connection setup causes a noticeable delay when establishing a new connection. This should be avoided to not regress from the expected Bluetooth 2.0 connection times. The authentication requirements are known up-front and so enforce them. To fulfill these requirements the hci_connect() function has been extended with an authentication requirement parameter that will be stored inside the connection information and can be retrieved by userspace at any time. This allows the correct IO capabilities exchange and results in the expected behavior. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2008-09-09[Bluetooth] Fix reference counting during ACL config stageMarcel Holtmann1-7/+4
The ACL config stage keeps holding a reference count on incoming connections when requesting the extended features. This results in keeping an ACL link up without any users. The problem here is that the Bluetooth specification doesn't define an ownership of the ACL link and thus it can happen that the implementation on the initiator side doesn't care about disconnecting unused links. In this case the acceptor needs to take care of this. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2008-09-08sparc64: Disable timer interrupts in fixup_irqs().David S. Miller1-0/+2
When a CPU is offlined, we leave the timer interrupts disabled because fixup_irqs() does not explicitly take care of that case. Fix this by invoking tick_ops->disable_irq(). Based upon analysis done by Paul E. McKenney. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-08Merge branch 'master' of ↵Linus Torvalds3-3/+64
git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6 * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: pm_standby low-power ram bug fix avr32: Fix lockup after Java stack underflow in user mode
2008-09-08Merge branch 'merge' of ↵Linus Torvalds2-7/+24
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: powerpc: Fix rare boot build breakage powerpc/spufs: Fix possible scheduling of a context to multiple SPEs powerpc/spufs: Fix race for a free SPU powerpc/spufs: Fix multiple get_spu_context()
2008-09-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-36/+48
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: Revert "crypto: camellia - Use kernel-provided bitops, unaligned access helpers"
2008-09-08Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds10-13/+50
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5241/1: provide ioremap_wc() [ARM] omap: fix virtual vs physical address space confusions [ARM] remove unused #include <version.h> [ARM] omap: fix build error in ohci-omap.c [ARM] omap: fix gpio.c build error
2008-09-08Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds3-137/+196
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: arch_reinit_sched_domains() must destroy domains to force rebuild sched, cpuset: rework sched domains and CPU hotplug handling (v4)
2008-09-08Merge branch 'upstream-linus' of ↵Linus Torvalds7-43/+65
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: ahci: RAID mode SATA patch for Intel Ibex Peak DeviceIDs pata_sil680: remove duplicate pcim_enable_device libata-sff: kill spurious WARN_ON() in ata_hsm_move() sata_nv: disable hardreset for generic ahci: disable PMP for marvell ahcis sata_mv: add RocketRaid 1720 PCI ID to driver ahci, pata_marvell: play nicely together
2008-09-08Fix format of MAINTAINERSUwe Kleine-König1-1/+1
... one entry lacked a colon which broke one of my scripts. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds10-17/+94
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: bridge: don't allow setting hello time to zero netns : fix kernel panic in timewait socket destruction pkt_sched: Fix qdisc state in net_tx_action() netfilter: nf_conntrack_irc: make sure string is terminated before calling simple_strtoul netfilter: nf_conntrack_gre: nf_ct_gre_keymap_flush() fixlet netfilter: nf_conntrack_gre: more locking around keymap list netfilter: nf_conntrack_sip: de-static helper pointers
2008-09-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds1-8/+6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Prevent sparc64 from invoking irq handlers on offline CPUs sparc64: Fix IPI call locking.
2008-09-08usb: fix null deferences in low level usb serialJason Wessel1-1/+1
The hw interface drivers for the usb serial devices deference the tty structure to set up the parameters for the initial console. The tty structure should be passed as a parameter to the set_termios() call. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-08NFS: Restore missing hunk in NFS mount option parserChuck Lever1-0/+6
Automounter maps can contain mount options valid for other NFS implementations but not for Linux. The Linux automounter uses the mount command's "-s" command line option ("s" for "sloppy") so that mount requests containing such options are not rejected. Commit f45663ce5fb30f76a3414ab3ac69f4dd320e760a attempted to address a known regression with text-based NFS mount option parsing. Unrecognized mount options would cause mount requests to fail, even if the "-s" option was used on the mount command line. Unfortunately, this commit was not complete as submitted. It adds a new mount option, "sloppy". But it is missing a hunk, so it now allows NFS mounts with unrecognized mount options, even if the "sloppy" option is not present. This could be a problem if a required critical mount option such as "sync" is misspelled, for example, and is considered a regression from 2.6.26. This patch restores the missing hunk. Now, the default behavior of text-based NFS mount options is as before: any unrecognized mount option will cause the mount to fail. Please include this in 2.6.27-rc. Thanks to Neil Brown for reporting this. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Acked-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-08bridge: don't allow setting hello time to zeroStephen Hemminger2-9/+25
Dushan Tcholich reports that on his system ksoftirqd can consume between %6 to %10 of cpu time, and cause ~200 context switches per second. He then correlated this with a report by bdupree@techfinesse.com: http://marc.info/?l=linux-kernel&m=119613299024398&w=2 and the culprit cause seems to be starting the bridge interface. In particular, when starting the bridge interface, his scripts are specifying a hello timer interval of "0". The bridge hello time can't be safely set to values less than 1 second, otherwise it is possible to end up with a runaway timer. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-08netns : fix kernel panic in timewait socket destructionDaniel Lezcano4-0/+40
How to reproduce ? - create a network namespace - use tcp protocol and get timewait socket - exit the network namespace - after a moment (when the timewait socket is destroyed), the kernel panics. # BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 IP: [<ffffffff821e394d>] inet_twdr_do_twkill_work+0x6e/0xb8 PGD 119985067 PUD 11c5c0067 PMD 0 Oops: 0000 [1] SMP CPU 1 Modules linked in: ipv6 button battery ac loop dm_mod tg3 libphy ext3 jbd edd fan thermal processor thermal_sys sg sata_svw libata dock serverworks sd_mod scsi_mod ide_disk ide_core [last unloaded: freq_table] Pid: 0, comm: swapper Not tainted 2.6.27-rc2 #3 RIP: 0010:[<ffffffff821e394d>] [<ffffffff821e394d>] inet_twdr_do_twkill_work+0x6e/0xb8 RSP: 0018:ffff88011ff7fed0 EFLAGS: 00010246 RAX: ffffffffffffffff RBX: ffffffff82339420 RCX: ffff88011ff7ff30 RDX: 0000000000000001 RSI: ffff88011a4d03c0 RDI: ffff88011ac2fc00 RBP: ffffffff823392e0 R08: 0000000000000000 R09: ffff88002802a200 R10: ffff8800a5c4b000 R11: ffffffff823e4080 R12: ffff88011ac2fc00 R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000041cbd940(0000) GS:ffff8800bff839c0(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000007 CR3: 00000000bd87c000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffff8800bff9e000, task ffff88011ff76690) Stack: ffffffff823392e0 0000000000000100 ffffffff821e3a3a 0000000000000008 0000000000000000 ffffffff821e3a61 ffff8800bff7c000 ffffffff8203c7e7 ffff88011ff7ff10 ffff88011ff7ff10 0000000000000021 ffffffff82351108 Call Trace: <IRQ> [<ffffffff821e3a3a>] ? inet_twdr_hangman+0x0/0x9e [<ffffffff821e3a61>] ? inet_twdr_hangman+0x27/0x9e [<ffffffff8203c7e7>] ? run_timer_softirq+0x12c/0x193 [<ffffffff820390d1>] ? __do_softirq+0x5e/0xcd [<ffffffff8200d08c>] ? call_softirq+0x1c/0x28 [<ffffffff8200e611>] ? do_softirq+0x2c/0x68 [<ffffffff8201a055>] ? smp_apic_timer_interrupt+0x8e/0xa9 [<ffffffff8200cad6>] ? apic_timer_interrupt+0x66/0x70 <EOI> [<ffffffff82011f4c>] ? default_idle+0x27/0x3b [<ffffffff8200abbd>] ? cpu_idle+0x5f/0x7d Code: e8 01 00 00 4c 89 e7 41 ff c5 e8 8d fd ff ff 49 8b 44 24 38 4c 89 e7 65 8b 14 25 24 00 00 00 89 d2 48 8b 80 e8 00 00 00 48 f7 d0 <48> 8b 04 d0 48 ff 40 58 e8 fc fc ff ff 48 89 df e8 c0 5f 04 00 RIP [<ffffffff821e394d>] inet_twdr_do_twkill_work+0x6e/0xb8 RSP <ffff88011ff7fed0> CR2: 0000000000000007 This patch provides a function to purge all timewait sockets related to a network namespace. The timewait sockets life cycle is not tied with the network namespace, that means the timewait sockets stay alive while the network namespace dies. The timewait sockets are for avoiding to receive a duplicate packet from the network, if the network namespace is freed, the network stack is removed, so no chance to receive any packets from the outside world. Furthermore, having a pending destruction timer on these sockets with a network namespace freed is not safe and will lead to an oops if the timer callback which try to access data belonging to the namespace like for example in: inet_twdr_do_twkill_work -> NET_INC_STATS_BH(twsk_net(tw), LINUX_MIB_TIMEWAITED); Purging the timewait sockets at the network namespace destruction will: 1) speed up memory freeing for the namespace 2) fix kernel panic on asynchronous timewait destruction Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Denis V. Lunev <den@openvz.org> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-08x86: disable static NOPLs on 32 bitsLinus Torvalds1-5/+8
On 32-bit, at least the generic nops are fairly reasonable, but the default nops for 64-bit really look pretty sad, and the P6 nops really do look better. So I would suggest perhaps moving the static P6 nop selection into the CONFIG_X86_64 thing. The alternative is to just get rid of that static nop selection, and just have two cases: 32-bit and 64-bit, and just pick obviously safe cases for them. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-09-08xen: fix 2.6.27-rc5 xen balloon driver warningsJeremy Fitzhardinge1-1/+1
Set the class so it doesn't clash with the normal memory class. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> ===================================================================
2008-09-08[MIPS] IP22: Fix detection of second HPC3 on Challenge SThomas Bogendoerfer1-1/+1
The second HPC3 could be found only on Guiness systems (Challenge-S), but not on fullhouse (Indigo2) systems. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-09-08ahci: RAID mode SATA patch for Intel Ibex Peak DeviceIDsSeth Heasley1-0/+2
Add the Intel Ibex Peak (PCH) SATA RAID Controller DeviceIDs. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08pata_sil680: remove duplicate pcim_enable_deviceDavid Milburn1-3/+0
Remove duplicate call to pcim_enable_device in sil680_init_one. Signed-off-by: David Milburn <dmilburn@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08libata-sff: kill spurious WARN_ON() in ata_hsm_move()Tejun Heo1-5/+0
On HSM_ST_ERR, ata_hsm_move() triggers WARN_ON() if AC_ERR_DEV or AC_ERR_HSM is not set. PHY events may trigger HSM_ST_ERR with other error codes and, with or without it, there just isn't much reason to do WARN_ON() on it. Even if error code is not set there, core EH logic won't have any problem dealing with the error condition. OSDL bz#11065 reports this problem. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08sata_nv: disable hardreset for genericTejun Heo1-18/+1
of them being unifying probing, hotplug and EH reset paths uniform. Previously, broken hardreset could go unnoticed as it wasn't used during probing but when something goes wrong or after hotplug the problem will surface and bite hard. OSDL bug 11195 reports that sata_nv generic flavor falls into this category. Hardreset itself succeeds but PHY stays offline after hardreset. I tried longer debounce timing but the result was the same. http://bugzilla.kernel.org/show_bug.cgi?id=11195 So, it seems we'll have to drop hardreset from the generic flavor. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Peer Chen <pchen@nvidia.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08ahci: disable PMP for marvell ahcisTejun Heo1-1/+1
Marvell ahcis don't play nicely with PMPs. Disable it. Reported by KueiHuan Chen in the following thread. http://thread.gmane.org/gmane.linux.ide/33296 Signed-off-by: Tejun Heo <tj@kernel.org> Cc: KueiHuan Chen <kueihuan.chen@gmail.com> Cc: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08sata_mv: add RocketRaid 1720 PCI ID to driverMark Lord1-1/+2
Signed-off-by: Petr Jelen <petr.jelen@gmail.com> Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08ahci, pata_marvell: play nicely togetherAlan Cox3-15/+59
I've been chasing Jeff about this for months. Jeff added the Marvell device identifiers to the ahci driver without making the AHCI driver handle the PATA port. This means a lot of users can't use current kernels and in most distro cases can't even install. This has been going on since March 2008 for the 6121 Marvell, and late 2007 for the 6145!!! This was all pointed out at the time and repeatedly ignored. Bugs assigned to Jeff about this are ignored also. To quote Jeff in email > "Just switch the order of 'ahci' and 'pata_marvell' in > /etc/modprobe.conf, then use Fedora's tools regenerate the initrd. > See? It's not rocket science, and the current configuration can be > easily made to work for Fedora users." (Which isn't trivial, isn't end user, shouldn't be needed, and as it usually breaks at install time is in fact impossible) To quote Jeff in August 2007 > " mv-ahci-pata > Marvell 6121/6141 PATA support. Needs fixing in the 'PATA controller > command' area before it is usable, and can go upstream." Only he add the ids anyway later and caused regressions, adding a further id in March causing more regresions. The actual fix for the moment is very simple. If the user has included the pata_marvell driver let it drive the ports. If they've only selected for SATA support give them the AHCI driver which will run the port a fraction faster. Allow the user to control this decision via ahci.marvell_enable as a module parameter so that distributions can ship 'it works' defaults and smarter users (or config tools) can then flip it over it desired. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08powerpc: Fix rare boot build breakageHugh Dickins1-1/+1
A make -j20 powerpc kernel build broke a couple of months ago saying: In file included from arch/powerpc/boot/gunzip_util.h:13, from arch/powerpc/boot/prpmc2800.c:21: arch/powerpc/boot/zlib.h:85: error: expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘*’ token arch/powerpc/boot/zlib.h:630: warning: type defaults to ‘int’ in declaration of ‘Byte’ arch/powerpc/boot/zlib.h:630: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token It happened again yesterday: too rare for me to confirm the fix, but it looks like the list of dependants on gunzip_util.h was incomplete. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-09-08Revert "crypto: camellia - Use kernel-provided bitops, unaligned access helpers"Herbert Xu1-36/+48
This reverts commit bd699f2df6dbc2f4cba528fe598bd63a4d3702c5, which causes camellia to fail the included self-test vectors. It has also been confirmed that it breaks existing encrypted disks using camellia. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-09-07pkt_sched: Fix qdisc state in net_tx_action()Jarek Poplawski1-1/+6
net_tx_action() can skip __QDISC_STATE_SCHED bit clearing while qdisc is neither ran nor rescheduled, which may cause endless loop in dev_deactivate(). Reported-by: Denys Fedoryshchenko <denys@visp.net.lb> Tested-by: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>

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