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2012-01-17intel idle: Make idle driver more robustThomas Renninger1-1/+2
kvm -cpu host passes the original cpuid info to the guest. Latest kvm version seem to return true for mwait_leaf cpuid function on recent Intel CPUs. But it does not return mwait C-states (mwait_substates), instead zero is returned. While real CPUs seem to always return non-zero values, the intel idle driver should not get active in kvm (mwait_substates == 0) case and bail out. Otherwise a Null pointer exception will happen later when the cpuidle subsystem tries to get active: [0.984807] BUG: unable to handle kernel NULL pointer dereference at (null) [0.984807] IP: [<(null)>] (null) ... [0.984807][<ffffffff8143cf34>] ? cpuidle_idle_call+0xb4/0x340 [0.984807][<ffffffff8159e7bc>] ? __atomic_notifier_call_chain+0x4c/0x70 [0.984807][<ffffffff81001198>] ? cpu_idle+0x78/0xd0 Reference: https://bugzilla.novell.com/show_bug.cgi?id=726296 Cc: stable@vger.kernel.org Signed-off-by: Thomas Renninger <trenn@suse.de> CC: Bruno Friedmann <bruno@ioda-net.ch> Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-17intel_idle: Fix a cast to pointer from integer of different size warning in ↵David Howells1-1/+1
intel_idle Fix the following warning: drivers/idle/intel_idle.c: In function 'intel_idle_cpuidle_devices_init': drivers/idle/intel_idle.c:518:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] By making get_driver_data() return a long instead of an int. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-17ACPI: kernel-parameters.txt : Add intel_idle.max_cstateMasanari Iida1-0/+5
Add missing intel_idle.max_cstate in kernel-parameters.txt Signed-off-by Masanari Iida <standby24x7@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-17intel_idle: remove redundant local_irq_disable() callYanmin Zhang1-2/+1
irq disabling happens earlier in process_32.c:cpu_idle. Basically, cpuidle_state->enter is called, cpu irq is disabled. cpuidle_state->enter would turn on irq when exiting. intel_idle doesn't follow this assumption. Although it doesn't cause real issue, it misleads developers. Remove the call to local_irq_disable() at entry. [akpm@linux-foundation.org: add comment] Signed-off-by: Mingming Zhang <mingmingx.zhang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-17intel_idle: fix API misuseShaohua Li1-3/+3
smp_call_function() only lets all other CPUs execute a specific function, while we expect all CPUs do in intel_idle. Without the fix, we could have one cpu which has auto_demotion enabled or has no broadcast timer setup. Usually we don't see impact because auto demotion just harms power and the intel_idle init is called in CPU 0, where boradcast timer delivers interrupt, but this still could be a problem. Cc: stable@vger.kernel.org Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-04Linux 3.2v3.2Linus Torvalds1-1/+1
2012-01-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds7-15/+32
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: fix CAN MAINTAINERS SCM tree type mwifiex: fix crash during simultaneous scan and connect b43: fix regression in PIO case ath9k: Fix kernel panic in AR2427 in AP mode CAN MAINTAINERS update net: fsl: fec: fix build for mx23-only kernel sch_qfq: fix overflow in qfq_update_start() Revert "Bluetooth: Increase HCI reset timeout in hci_dev_do_close"
2012-01-04minixfs: misplaced checks lead to dentry leakAl Viro1-17/+17
bitmap size sanity checks should be done *before* allocating ->s_root; there their cleanup on failure would be correct. As it is, we do iput() on root inode, but leak the root dentry... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-04ptrace: ensure JOBCTL_STOP_SIGMASK is not zero after detachOleg Nesterov2-3/+12
This is the temporary simple fix for 3.2, we need more changes in this area. 1. do_signal_stop() assumes that the running untraced thread in the stopped thread group is not possible. This was our goal but it is not yet achieved: a stopped-but-resumed tracee can clone the running thread which can initiate another group-stop. Remove WARN_ON_ONCE(!current->ptrace). 2. A new thread always starts with ->jobctl = 0. If it is auto-attached and this group is stopped, __ptrace_unlink() sets JOBCTL_STOP_PENDING but JOBCTL_STOP_SIGMASK part is zero, this triggers WANR_ON(!signr) in do_jobctl_trap() if another debugger attaches. Change __ptrace_unlink() to set the artificial SIGSTOP for report. Alternatively we could change ptrace_init_task() to copy signr from current, but this means we can copy it for no reason and hide the possible similar problems. Acked-by: Tejun Heo <tj@kernel.org> Cc: <stable@kernel.org> [3.1] Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-04ptrace: partially fix the do_wait(WEXITED) vs EXIT_DEAD->EXIT_ZOMBIE raceOleg Nesterov1-1/+8
Test-case: int main(void) { int pid, status; pid = fork(); if (!pid) { for (;;) { if (!fork()) return 0; if (waitpid(-1, &status, 0) < 0) { printf("ERR!! wait: %m\n"); return 0; } } } assert(ptrace(PTRACE_ATTACH, pid, 0,0) == 0); assert(waitpid(-1, NULL, 0) == pid); assert(ptrace(PTRACE_SETOPTIONS, pid, 0, PTRACE_O_TRACEFORK) == 0); do { ptrace(PTRACE_CONT, pid, 0, 0); pid = waitpid(-1, NULL, 0); } while (pid > 0); return 1; } It fails because ->real_parent sees its child in EXIT_DEAD state while the tracer is going to change the state back to EXIT_ZOMBIE in wait_task_zombie(). The offending commit is 823b018e which moved the EXIT_DEAD check, but in fact we should not blame it. The original code was not correct as well because it didn't take ptrace_reparented() into account and because we can't really trust ->ptrace. This patch adds the additional check to close this particular race but it doesn't solve the whole problem. We simply can't rely on ->ptrace in this case, it can be cleared if the tracer is multithreaded by the exiting ->parent. I think we should kill EXIT_DEAD altogether, we should always remove the soon-to-be-reaped child from ->children or at least we should never do the DEAD->ZOMBIE transition. But this is too complex for 3.2. Reported-and-tested-by: Denys Vlasenko <vda.linux@googlemail.com> Tested-by: Lukasz Michalik <lmi@ift.uni.wroc.pl> Acked-by: Tejun Heo <tj@kernel.org> Cc: <stable@kernel.org> [3.0+] Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-04Merge git://git.samba.org/sfrench/cifs-2.6Linus Torvalds1-2/+2
* git://git.samba.org/sfrench/cifs-2.6: [CIFS] default ntlmv2 for cifs mount delayed to 3.3 cifs: fix bad buffer length check in coalesce_t2
2012-01-04Merge branch 'master' of ↵John W. Linville4-5/+23
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2012-01-04Revert "rtc: Expire alarms after the time is set."Linus Torvalds1-6/+0
This reverts commit 93b2ec0128c431148b216b8f7337c1a52131ef03. The call to "schedule_work()" in rtc_initialize_alarm() happens too early, and can cause oopses at bootup Neil Brown explains why we do it: "If you set an alarm in the future, then shutdown and boot again after that time, then you will end up with a timer_queue node which is in the past. When this happens the queue gets stuck. That entry-in-the-past won't get removed until and interrupt happens and an interrupt won't happen because the RTC only triggers an interrupt when the alarm is "now". So you'll find that e.g. "hwclock" will always tell you that 'select' timed out. So we force the interrupt work to happen at the start just in case." and has a patch that convert it to do things in-process rather than with the worker thread, but right now it's too late to play around with this, so we just revert the patch that caused problems for now. Reported-by: Sander Eikelenboom <linux@eikelenboom.it> Requested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Requested-by: John Stultz <john.stultz@linaro.org> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-04[CIFS] default ntlmv2 for cifs mount delayed to 3.3Steve French1-1/+1
Turned out the ntlmv2 (default security authentication) upgrade was harder to test than expected, and we ran out of time to test against Apple and a few other servers that we wanted to. Delay upgrade of default security from ntlm to ntlmv2 (on mount) to 3.3. Still works fine to specify it explicitly via "sec=ntlmv2" so this should be fine. Acked-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-01-03cifs: fix bad buffer length check in coalesce_t2Jeff Layton1-1/+1
The current check looks to see if the RFC1002 length is larger than CIFSMaxBufSize, and fails if it is. The buffer is actually larger than that by MAX_CIFS_HDR_SIZE. This bug has been around for a long time, but the fact that we used to cap the clients MaxBufferSize at the same level as the server tended to paper over it. Commit c974befa changed that however and caused this bug to bite in more cases. Reported-and-Tested-by: Konstantinos Skarlatos <k.skarlatos@gmail.com> Tested-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-01-03Revert "rtc: Disable the alarm in the hardware"Linus Torvalds1-34/+10
This reverts commit c0afabd3d553c521e003779c127143ffde55a16f. It causes failures on Toshiba laptops - instead of disabling the alarm, it actually seems to enable it on the affected laptops, resulting in (for example) the laptop powering on automatically five minutes after shutdown. There's a patch for it that appears to work for at least some people, but it's too late to play around with this, so revert for now and try again in the next merge window. See for example http://bugs.debian.org/652869 Reported-and-bisected-by: Andreas Friedrich <afrie@gmx.net> (Toshiba Tecra) Reported-by: Antonio-M. Corbi Bellot <antonio.corbi@ua.es> (Toshiba Portege R500) Reported-by: Marco Santos <marco.santos@waynext.com> (Toshiba Portege Z830) Reported-by: Christophe Vu-Brugier <cvubrugier@yahoo.fr> (Toshiba Portege R830) Cc: Jonathan Nieder <jrnieder@gmail.com> Requested-by: John Stultz <john.stultz@linaro.org> Cc: stable@kernel.org # for the versions that applied this Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-03hung_task: fix false positive during vforkMandeep Singh Baines1-4/+10
vfork parent uninterruptibly and unkillably waits for its child to exec/exit. This wait is of unbounded length. Ignore such waits in the hung_task detector. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Reported-by: Sasha Levin <levinsasha928@gmail.com> LKML-Reference: <1325344394.28904.43.camel@lappy> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: John Kacur <jkacur@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-03security: Fix security_old_inode_init_security() when CONFIG_SECURITY is not setJan Kara2-2/+2
Commit 1e39f384bb01 ("evm: fix build problems") makes the stub version of security_old_inode_init_security() return 0 when CONFIG_SECURITY is not set. But that makes callers such as reiserfs_security_init() assume that security_old_inode_init_security() has set name, value, and len arguments properly - but security_old_inode_init_security() left them uninitialized which then results in interesting failures. Revert security_old_inode_init_security() to the old behavior of returning EOPNOTSUPP since both callers (reiserfs and ocfs2) handle this just fine. [ Also fixed the S_PRIVATE(inode) case of the actual non-stub security_old_inode_init_security() function to return EOPNOTSUPP for the same reason, as pointed out by Mimi Zohar. It got incorrectly changed to match the new function in commit fb88c2b6cbb1: "evm: fix security/security_old_init_security return code". - Linus ] Reported-by: Jorge Bastos <mysql.jorge@decimal.pt> Acked-by: James Morris <jmorris@namei.org> Acked-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-03fix CAN MAINTAINERS SCM tree typeOliver Hartkopp1-2/+2
As pointed out by Joe Perches the SCM tree type was missing in my patch. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> CC: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> CC: Urs Thuermann <urs.thuermann@volkswagen.de> CC: Wolfgang Grandegger <wg@grandegger.com> CC: Marc Kleine-Budde <mkl@pengutronix.de> CC: linux-can@vger.kernel.org
2012-01-03mwifiex: fix crash during simultaneous scan and connectAmitkumar Karwar1-1/+6
If 'iw connect' command is fired when driver is already busy in serving 'iw scan' command, ssid specific scan operation for connect is skipped. In this case cmd wait queue handler gets called with no command in queue (i.e. adapter->cmd_queued = NULL). This patch adds a NULL check in mwifiex_wait_queue_complete() routine to fix crash observed during simultaneous scan and assoc operations. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-03b43: fix regression in PIO caseGuennadi Liakhovetski1-3/+13
This patch fixes the regression, introduced by commit 17030f48e31adde5b043741c91ba143f5f7db0fd From: Rafał Miłecki <zajec5@gmail.com> Date: Thu, 11 Aug 2011 17:16:27 +0200 Subject: [PATCH] b43: support new RX header, noticed to be used in 598.314+ fw in PIO case. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-03ath9k: Fix kernel panic in AR2427 in AP modeMohammed Shafi Shajakhan1-0/+3
don't do aggregation related stuff for 'AP mode client power save handling' if aggregation is not enabled in the driver, otherwise it will lead to panic because those data structures won't be never intialized in 'ath_tx_node_init' if aggregation is disabled EIP is at ath_tx_aggr_wakeup+0x37/0x80 [ath9k] EAX: e8c09a20 EBX: f2a304e8 ECX: 00000001 EDX: 00000000 ESI: e8c085e0 EDI: f2a304ac EBP: f40e1ca4 ESP: f40e1c8c DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process swapper/1 (pid: 0, ti=f40e0000 task=f408e860 task.ti=f40dc000) Stack: 0001e966 e8c09a20 00000000 f2a304ac e8c085e0 f2a304ac f40e1cb0 f8186741 f8186700 f40e1d2c f922988d f2a304ac 00000202 00000001 c0b4ba43 00000000 0000000f e8eb75c0 e8c085e0 205b0001 34383220 f2a304ac f2a30000 00010020 Call Trace: [<f8186741>] ath9k_sta_notify+0x41/0x50 [ath9k] [<f8186700>] ? ath9k_get_survey+0x110/0x110 [ath9k] [<f922988d>] ieee80211_sta_ps_deliver_wakeup+0x9d/0x350 [mac80211] [<c018dc75>] ? __module_address+0x95/0xb0 [<f92465b3>] ap_sta_ps_end+0x63/0xa0 [mac80211] [<f9246746>] ieee80211_rx_h_sta_process+0x156/0x2b0 [mac80211] [<f9247d1e>] ieee80211_rx_handlers+0xce/0x510 [mac80211] [<c018440b>] ? trace_hardirqs_on+0xb/0x10 [<c056936e>] ? skb_queue_tail+0x3e/0x50 [<f9248271>] ieee80211_prepare_and_rx_handle+0x111/0x750 [mac80211] [<f9248bf9>] ieee80211_rx+0x349/0xb20 [mac80211] [<f9248949>] ? ieee80211_rx+0x99/0xb20 [mac80211] [<f818b0b8>] ath_rx_tasklet+0x818/0x1d00 [ath9k] [<f8187a75>] ? ath9k_tasklet+0x35/0x1c0 [ath9k] [<f8187a75>] ? ath9k_tasklet+0x35/0x1c0 [ath9k] [<f8187b33>] ath9k_tasklet+0xf3/0x1c0 [ath9k] [<c0151b7e>] tasklet_action+0xbe/0x180 Cc: stable@kernel.org Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Reported-by: Ashwin Mendonca <ashwinloyal@gmail.com> Tested-by: Ashwin Mendonca <ashwinloyal@gmail.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-03Merge branch 'master' of ↵John W. Linville1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth
2012-01-03CAN MAINTAINERS updateOliver Hartkopp1-6/+5
Update the CAN MAINTAINERS section: - point out active maintainers - pull the CAN driver discussion away from netdev ML - point to the new CAN web site on gitorious.org - add CAN development git repository URL to submit patches Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> CC: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> CC: Urs Thuermann <urs.thuermann@volkswagen.de> CC: Wolfgang Grandegger <wg@grandegger.com> CC: Marc Kleine-Budde <mkl@pengutronix.de> CC: linux-can@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03net: fsl: fec: fix build for mx23-only kernelWolfram Sang1-2/+2
If one only selects mx23-based boards, compile fails: drivers/net/ethernet/freescale/fec.c:410:2: error: 'FEC_HASH_TABLE_HIGH' undeclared (first use in this function) drivers/net/ethernet/freescale/fec.c:411:2: error: 'FEC_HASH_TABLE_LOW' undeclared (first use in this function) This is because fec.h uses CONFIG_SOC_IMX28 to determine the register layout of the core which makes sense since the MX23 does not have a fec. However, Kconfig uses the broader ARCH_MXS symbol and this way even makes the fec-driver default for MX23. Adapt Kconfig to use the more precise SOC_IMX28 as well. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: David S. Miller <davem@davemloft.net> Acked-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03sch_qfq: fix overflow in qfq_update_start()Eric Dumazet1-2/+2
grp->slot_shift is between 22 and 41, so using 32bit wide variables is probably a typo. This could explain QFQ hangs Dave reported to me, after 2^23 packets ? (23 = 64 - 41) Reported-by: Dave Taht <dave.taht@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Stephen Hemminger <shemminger@vyatta.com> CC: Dave Taht <dave.taht@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-03drm/radeon/kms/atom: fix possible segfault in pm setupAlexander Müller1-1/+5
If we end up with no power states, don't look up current vddc. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=44130 agd5f: fix patch formatting Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-02Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds1-1/+1
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: dt/device: Fix auxdata matching to handle entries without a name override
2012-01-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds7-7/+17
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: netfilter: ctnetlink: fix timeout calculation ipvs: try also real server with port 0 in backup server skge: restore rx multicast filter on resume and after config changes mlx4_en: nullify cq->vector field when closing completion queue
2011-12-31Merge branch 'fix/asoc' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound * 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ASoC: wm8776: add missing break in sample size switch
2011-12-31gspca: Fix falling back to lower isoc alt settingsMauro Carvalho Chehab1-1/+1
The current gspca core code has a regression where it no longer properly falls back to lower alt settings when there is not enough bandwidth. This causes many iso based usb-1 cameras to not work when plugged into a usb2 hub or a sandybridge chipset motherboard! This patch fixes this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-31futex: Fix uninterruptible loop due to gate_areaHugh Dickins1-8/+20
It was found (by Sasha) that if you use a futex located in the gate area we get stuck in an uninterruptible infinite loop, much like the ZERO_PAGE issue. While looking at this problem, PeterZ realized you'll get into similar trouble when hitting any install_special_pages() mapping. And are there still drivers setting up their own special mmaps without page->mapping, and without special VM or pte flags to make get_user_pages fail? In most cases, if page->mapping is NULL, we do not need to retry at all: Linus points out that even /proc/sys/vm/drop_caches poses no problem, because it ends up using remove_mapping(), which takes care not to interfere when the page reference count is raised. But there is still one case which does need a retry: if memory pressure called shmem_writepage in between get_user_pages_fast dropping page table lock and our acquiring page lock, then the page gets switched from filecache to swapcache (and ->mapping set to NULL) whatever the refcount. Fault it back in to get the page->mapping needed for key->shared.inode. Reported-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Hugh Dickins <hughd@google.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-31netfilter: ctnetlink: fix timeout calculationXi Wang1-2/+2
The sanity check (timeout < 0) never works; the dividend is unsigned and so is the division, which should have been a signed division. long timeout = (ct->timeout.expires - jiffies) / HZ; if (timeout < 0) timeout = 0; This patch converts the time values to signed for the division. Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-31ipvs: try also real server with port 0 in backup serverJulian Anastasov4-5/+11
We should not forget to try for real server with port 0 in the backup server when processing the sync message. We should do it in all cases because the backup server can use different forwarding method. Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-30skge: restore rx multicast filter on resume and after config changesFlorian Zumbiehl1-0/+3
Restore skge hardware registers for multicast filtering to their appropriate values after system resume and after hardware restarts that are done when changing certain settings. Signed-off-by: Florian Zumbiehl <florz@florz.de> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30mlx4_en: nullify cq->vector field when closing completion queueYevgeny Petrilin1-0/+1
Caused loss of connectivity when changing ring size. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-30Merge branch 'fixes' of ↵Linus Torvalds4-75/+65
http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: 7237/1: PL330: Fix driver freeze ARM: 7197/1: errata: Remove SMP dependency for erratum 751472 ARM: 7196/1: errata: Remove SMP dependency for erratum 720789 ARM: 7220/1: mmc: mmci: Fixup error handling for dma ARM: 7214/1: mmc: mmci: Fixup handling of MCI_STARTBITERR
2011-12-30Merge branch 'fixes' of ↵Linus Torvalds11-30/+48
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: plat-orion: make gpiochip label unique enable uncompress log on cpuimx35sd cpuimx35: fix touchscreen support cpuimx35sd: fix Kconfig clock-imx35: fix reboot in internal boot mode dma: MX3_IPU fix depends imx_v4_v5_defconfig: update default configuration cpuimx25sd: fix Kconfig arm/imx: fix cpufreq section mismatch ARM:imx:fix pwm period value ARM: OMAP: hwmod data: fix iva and mailbox hwmods for OMAP 3
2011-12-30Merge branch 'for-linus' of ↵Linus Torvalds2-5/+6
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: sentelic - fix retrieving number of buttons Input: sentelic - release mutex upon register write failure
2011-12-30Merge branch 'for-linus' of ↵Linus Torvalds1-26/+3
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: disable use of dcache for readdir etc.
2011-12-30Merge branch 'v3.2-samsung-fixes-4' of ↵Linus Torvalds2-15/+15
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung * 'v3.2-samsung-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: Remove duplicated SROMC static memory mapping ARM: SAMSUNG: Fix build error when selecting CPU_FREQ_S3C24XX_DEBUGFS on S3C2440
2011-12-30Revert "clockevents: Set noop handler in clockevents_exchange_device()"Linus Torvalds1-1/+0
This reverts commit de28f25e8244c7353abed8de0c7792f5f883588c. It results in resume problems for various people. See for example http://thread.gmane.org/gmane.linux.kernel/1233033 http://thread.gmane.org/gmane.linux.kernel/1233389 http://thread.gmane.org/gmane.linux.kernel/1233159 http://thread.gmane.org/gmane.linux.kernel/1227868/focus=1230877 and the fedora and ubuntu bug reports https://bugzilla.redhat.com/show_bug.cgi?id=767248 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/904569 which got bisected down to the stable version of this commit. Reported-by: Jonathan Nieder <jrnieder@gmail.com> Reported-by: Phil Miller <mille121@illinois.edu> Reported-by: Philip Langdale <philipl@overt.org> Reported-by: Tim Gardner <tim.gardner@canonical.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Greg KH <gregkh@suse.de> Cc: stable@kernel.org # for stable kernels that applied the original Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-30Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds4-7/+12
* git://www.linux-watchdog.org/linux-watchdog: watchdog: iTCO_wdt.c - problems with newer hardware due to SMI clearing (part 2) watchdog: hpwdt: Changes to handle NX secure bit in 32bit path watchdog: sp805: Fix section mismatch in ID table. watchdog: move coh901327 state holders
2011-12-29Merge branch 'iommu/fixes' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu * 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu: Initialize domain->handler in iommu_domain_alloc()
2011-12-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds3-9/+22
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: packet: fix possible dev refcnt leak when bind fail netem: dont call vfree() under spinlock and BH disabled netfilter: ctnetlink: fix scheduling while atomic if helper is autoloaded netfilter: ctnetlink: fix return value of ctnetlink_get_expect()
2011-12-29Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds3-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86: Fix raw_spin_unlock_irqrestore() usage oprofile, arm/sh: Fix oprofile_arch_exit() linkage issue
2011-12-29Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds3-25/+43
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: log all dirty inodes in xfs_fs_sync_fs xfs: log the inode in ->write_inode calls for kupdate
2011-12-29Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds3-12/+15
* 'for-linus' of git://git.kernel.dk/linux-block: block: fix blk_queue_end_tag() block: re-use existing 'reading' variable instead of checking direction again block, cfq: fix empty queue crash caused by request merge
2011-12-29mm: hugetlb: fix non-atomic enqueue of huge pageHillf Danton1-1/+1
If a huge page is enqueued under the protection of hugetlb_lock, then the operation is atomic and safe. Signed-off-by: Hillf Danton <dhillf@gmail.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: <stable@vger.kernel.org> [2.6.37+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-29procfs: do not confuse jiffies with cputime64_tAndreas Schwab5-2/+8
Commit 2a95ea6c0d129b4 ("procfs: do not overflow get_{idle,iowait}_time for nohz") did not take into account that one some architectures jiffies and cputime use different units. This causes get_idle_time() to return numbers in the wrong units, making the idle time fields in /proc/stat wrong. Instead of converting the usec value returned by get_cpu_{idle,iowait}_time_us to units of jiffies, use the new function usecs_to_cputime64 to convert it to the correct unit of cputime64_t. Signed-off-by: Andreas Schwab <schwab@linux-m68k.org> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Artem S. Tashkinov" <t.artem@mailcity.com> Cc: Dave Jones <davej@redhat.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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