- 12 7月, 2012 3 次提交
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由 Thomas Gleixner 提交于
We need to update the hrtimer clock offsets from the hrtimer interrupt context. To avoid conversions from timespec to ktime_t maintain a ktime_t based representation of those offsets in the timekeeper. This puts the conversion overhead into the code which updates the underlying offsets and provides fast accessible values in the hrtimer interrupt. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NJohn Stultz <johnstul@us.ibm.com> Reviewed-by: NIngo Molnar <mingo@kernel.org> Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NPrarit Bhargava <prarit@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1341960205-56738-4-git-send-email-johnstul@us.ibm.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 John Stultz 提交于
The timekeeping code misses an update of the hrtimer subsystem after a leap second happened. Due to that timers based on CLOCK_REALTIME are either expiring a second early or late depending on whether a leap second has been inserted or deleted until an operation is initiated which causes that update. Unless the update happens by some other means this discrepancy between the timekeeping and the hrtimer data stays forever and timers are expired either early or late. The reported immediate workaround - $ data -s "`date`" - is causing a call to clock_was_set() which updates the hrtimer data structures. See: http://www.sheeri.com/content/mysql-and-leap-second-high-cpu-and-fix Add the missing clock_was_set() call to update_wall_time() in case of a leap second event. The actual update is deferred to softirq context as the necessary smp function call cannot be invoked from hard interrupt context. Signed-off-by: NJohn Stultz <johnstul@us.ibm.com> Reported-by: NJan Engelhardt <jengelh@inai.de> Reviewed-by: NIngo Molnar <mingo@kernel.org> Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NPrarit Bhargava <prarit@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1341960205-56738-3-git-send-email-johnstul@us.ibm.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 John Stultz 提交于
clock_was_set() cannot be called from hard interrupt context because it calls on_each_cpu(). For fixing the widely reported leap seconds issue it is necessary to call it from hard interrupt context, i.e. the timer tick code, which does the timekeeping updates. Provide a new function which denotes it in the hrtimer cpu base structure of the cpu on which it is called and raise the hrtimer softirq. We then execute the clock_was_set() notificiation from softirq context in run_hrtimer_softirq(). The hrtimer softirq is rarely used, so polling the flag there is not a performance issue. [ tglx: Made it depend on CONFIG_HIGH_RES_TIMERS. We really should get rid of all this ifdeffery ASAP ] Signed-off-by: NJohn Stultz <johnstul@us.ibm.com> Reported-by: NJan Engelhardt <jengelh@inai.de> Reviewed-by: NIngo Molnar <mingo@kernel.org> Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NPrarit Bhargava <prarit@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1341960205-56738-2-git-send-email-johnstul@us.ibm.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 11 7月, 2012 3 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio由 Linus Torvalds 提交于
Pull GPIO fixes from Linus Walleij: "Yes, this is a *LATE* GPIO pull request with fixes for v3.5. Grant moved across the planet and accidentally fell off the grid, so he asked me to take over the GPIO merges for a while 10 days ago. Since then I went over the archives and collected this pile of fixes, and pulled two of them from the TI maintainer Kevin Hilman. Then waited for them to at least hit linux-next once or twice." GPIO fixes for v3.5: - Invalid context restore on bank 0 for OMAP driver in runtime suspend/resume cycle - Check for NULL platform data in sta-2x11 driver - Constrain selection of the V1 MSM GPIO driver to applicable platforms (Kconfig issue) - Make sure the correct output value is set in the wm8994 driver - Export devm_gpio_request_one() so it can be used in modules. Apparently some in-kernel modules can be configured to use this leading to breakage. - Check that the GPIO is valid in the lantiq driver - Fix the flag bits introduced for v3.5, so they don't overlap - Fix a device tree intialization bug for imx21-compatible devices - Carry over the OF node to the TPS65910 GPIO chip struct * tag 'fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: tps65910: initialize of_node of gpio_chip gpio/mxc: make irqs work for fsl,imx21-gpio devices gpio: fix bits conflict for gpio flags mips: pci-lantiq: Fix check for valid gpio gpio: export devm_gpio_request_one gpiolib: wm8994: Pay attention to the value set when enabling as output gpio/msm_v1: CONFIG_GPIO_MSM_V1 is only available on three SoCs gpio-sta2x11: don't use pdata if null gpio/omap: fix invalid context restore of gpio bank-0 gpio/omap: fix irq loss while in idle with debounce on
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc由 Linus Torvalds 提交于
Pull powerpc fixes from Benjamin Herrenschmidt: "It looks like my rewrite of our lazy irq scheme is still exposing "interesting" issues left and right. The previous fixes are now causing an occasional BUG_ON to trigger (which this patch turns into a WARN_ON while at it), due to another issue of disconnect of the lazy irq state vs the processor state in the idle loop on pseries and cell. This should fix it properly once for all moving the nasty code to a common helper function. There's also couple more fixes for some debug stuff that didn't build (and helped resolving those problems so it's worth having), along with a compile fix for newer gcc's." * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: tty/hvc_opal: Fix debug function name powerpc/numa: Avoid stupid uninitialized warning from gcc powerpc: Fix build of some debug irq code powerpc: More fixes for lazy IRQ vs. idle
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由 Linus Torvalds 提交于
This reverts commit 107a84e6. Meelis Roos reports a regression since 3.5-rc5 that stops Sun Fire V100 and Sun Netra X1 sparc64 machines from booting, hanging after enabling serial console. He bisected it to commit 107a84e6. Rob Herring explains: "The problem is match combinations of compatible plus name and/or type fail to match correctly. I have a fix for this, but given how late it is for 3.5 I think it is best to revert this for now. There could be other cases that rely on the current although wrong behavior. I will post an updated version for 3.6." Bisected-and-reported-by: NMeelis Roos <mroos@linux.ee> Requested-by: NRob Herring <rob.herring@calxeda.com> Cc: Thierry Reding <thierry.reding@avionic-design.de> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 10 7月, 2012 12 次提交
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由 Benjamin Herrenschmidt 提交于
udbg_init_debug_opal() should be udbg_init_debug_opal_raw() as the caller in arch/powerpc/kernel/udbg.c expects Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Benjamin Herrenschmidt 提交于
Newer gcc are being a bit blind here (it's pretty obvious we don't reach the code path using the array if we haven't initialized the pointer) but none of that is performance critical so let's just silence it. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Benjamin Herrenschmidt 提交于
There was a typo, checking for CONFIG_TRACE_IRQFLAG instead of CONFIG_TRACE_IRQFLAGS causing some useful debug code to not be built This in turns causes a build error on BookE 64-bit due to incorrect semicolons at the end of a couple of macros, so let's fix that too Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> CC: stable@vger.kernel.org [v3.4]
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由 Benjamin Herrenschmidt 提交于
Looks like we still have issues with pSeries and Cell idle code vs. the lazy irq state. In fact, the reset fixes that went upstream are exposing the problem more by causing BUG_ON() to trigger (which this patch turns into a WARN_ON instead). We need to be careful when using a variant of low power state that has the side effect of turning interrupts back on, to properly set all the SW & lazy state to look as if everything is enabled before we enter the low power state with MSR:EE off as we will return with MSR:EE on. If not, we have a discrepancy of state which can cause things to go very wrong later on. This patch moves the logic into a helper and uses it from the pseries and cell idle code. The power4/970 idle code already got things right (in assembly even !) so I'm not touching it. The power7 "bare metal" idle code is subtly different and correct. Remains PA6T and some hypervisor based Cell platforms which have questionable code in there, but they are mostly dead platforms so I'll fix them when I manage to get final answers from the respective maintainers about how the low power state actually works on them. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> CC: stable@vger.kernel.org [v3.4]
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator由 Linus Torvalds 提交于
Pull regulator fix from Mark Brown: "A smallish fix for a lock dependency issue which affects a bunch of Qualcomm boards that do unusually complicated things with their regulators, the API is unlikely to be called by any other system." * tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: Fix recursive mutex lockdep warning
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由 Hans de Goede 提交于
Don't call v4l2_ctrl_g_ctrl on ctrls which the model cam in question does not have. Reported-by: NFrank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: NHans de Goede <hdegoede@redhat.com> [ Taken directly, since Mauro is on vacation ] Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
Merge tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus Pull minor virtio-balloon fix from Rusty Russell: "Theoretical fix, which greatly simplifies upcoming balloon patches which will go in via some vm tree." * tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio-balloon: fix add/get API use
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git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg由 Linus Torvalds 提交于
Pull rpmsg fixes from Ohad Ben-Cohen: "Fixing two (somewhat rare) endpoint-related race issues, both of which were reported by Fernando Guzman Lugo." * tag 'rpmsg-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg: rpmsg: make sure inflight messages don't invoke just-removed callbacks rpmsg: avoid premature deallocation of endpoints
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git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc由 Linus Torvalds 提交于
Pull remoteproc fixes from Ohad Ben-Cohen: "Two build-related remoteproc fixes for 3.5." * tag 'remoteproc-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc: remoteproc: fix missing CONFIG_FW_LOADER configurations remoteproc/omap: fix randconfig unmet direct dependencies
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git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock由 Linus Torvalds 提交于
Pull hwspinlock fix from Ohad Ben-Cohen: "A single hwspinlock core fix for multiple hwspinlock devices scenarios, from Shinya Kuribayashi." * tag 'hwspinlock-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock: hwspinlock/core: use global ID to register hwspinlocks on multiple devices
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由 Linus Walleij 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu由 Linus Torvalds 提交于
Pull IOMMU fixes from Joerg Roedel: "The patches fix several issues in the AMD IOMMU driver, the NVidia SMMU driver, and the DMA debug code. The most important fix for the AMD IOMMU solves a problem with SR-IOV devices where virtual functions did not work with IOMMU enabled. The NVidia SMMU patch fixes a possible sleep while spin-lock situation (queued the small fix for v3.5, a better but more intrusive fix is coming for v3.6). The DMA debug patches fix a possible data corruption issue due to bool vs u32 usage." * tag 'iommu-fixes-v3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: fix type bug in flush code dma-debug: debugfs_create_bool() takes a u32 pointer iommu/tegra: smmu: Fix unsleepable memory allocation iommu/amd: Initialize dma_ops for hotplug and sriov devices iommu/amd: Fix missing iommu_shutdown initialization in passthrough mode
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- 09 7月, 2012 2 次提交
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由 Michael S. Tsirkin 提交于
Since ee7cd898 'virtio: expose added descriptors immediately.', in virtio balloon virtqueue_get_buf might now run concurrently with virtqueue_kick. I audited both and this seems safe in practice but this is not guaranteed by the API. Additionally, a spurious interrupt might in theory make virtqueue_get_buf run in parallel with virtqueue_add_buf, which is racy. While we might try to protect against spurious callbacks it's easier to fix the driver: balloon seems to be the only one (mis)using the API like this, so let's just fix balloon. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (removed unused var)
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup由 Linus Torvalds 提交于
Pull cgroup fixes from Tejun Heo: "The previous cgroup pull request contained a patch to fix a race condition during cgroup hierarchy umount. Unfortunately, while the patch reduced the race window such that the test case I and Sasha were using didn't trigger it anymore, it wasn't complete - Shyju and Li could reliably trigger the race condition using a different test case. The problem wasn't the gap between dentry deletion and release which the previous patch tried to fix. The window was between the last dput() of a root's child and the resulting dput() of the root. For cgroup dentries, the deletion and release always happen synchronously. As this releases the s_active ref, the refcnt of the root dentry, which doesn't hold s_active, stays above zero without the corresponding s_active. If umount was in progress, the last deactivate_super() proceeds to destory the superblock and triggers BUG() on the non-zero root dentry refcnt after shrinking. This issue surfaced because cgroup dentries are now allowed to linger after rmdir(2) since 3.5-rc1. Before, rmdir synchronously drained the dentry refcnt and the s_active acquired by rmdir from vfs layer protected the whole thing. After 3.5-rc1, cgroup may internally hold and put dentry refs after rmdir finishes and the delayed dput() doesn't have surrounding s_active ref exposing this issue. This pull request contains two patches - one reverting the previous incorrect fix and the other adding the surrounding s_active ref around the delayed dput(). This is quite late in the release cycle but the change is on the safer side and fixes the test cases reliably, so I don't think it's too crazy." * 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: fix cgroup hierarchy umount race Revert "cgroup: superblock can't be released with active dentries"
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- 08 7月, 2012 7 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security由 Linus Torvalds 提交于
Pull security docs update from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: security: Minor improvements to no_new_privs documentation
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由 Linus Torvalds 提交于
We already use them for openat() and friends, but fchdir() also wants to be able to use O_PATH file descriptors. This should make it comparable to the O_SEARCH of Solaris. In particular, O_PATH allows you to access (not-quite-open) a directory you don't have read persmission to, only execute permission. Noticed during development of multithread support for ksh93. Reported-by: Nольга крыжановская <olga.kryzhanovska@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: stable@kernel.org # O_PATH introduced in 3.0+ Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Tejun Heo 提交于
48ddbe19 "cgroup: make css->refcnt clearing on cgroup removal optional" allowed a css to linger after the associated cgroup is removed. As a css holds a reference on the cgroup's dentry, it means that cgroup dentries may linger for a while. Destroying a superblock which has dentries with positive refcnts is a critical bug and triggers BUG() in vfs code. As each cgroup dentry holds an s_active reference, any lingering cgroup has both its dentry and the superblock pinned and thus preventing premature release of superblock. Unfortunately, after 48ddbe19, there's a small window while releasing a cgroup which is directly under the root of the hierarchy. When a cgroup directory is released, vfs layer first deletes the corresponding dentry and then invokes dput() on the parent, which may recurse further, so when a cgroup directly below root cgroup is released, the cgroup is first destroyed - which releases the s_active it was holding - and then the dentry for the root cgroup is dput(). This creates a window where the root dentry's refcnt isn't zero but superblock's s_active is. If umount happens before or during this window, vfs will see the root dentry with non-zero refcnt and trigger BUG(). Before 48ddbe19, this problem didn't exist because the last dentry reference was guaranteed to be put synchronously from rmdir(2) invocation which holds s_active around the whole process. Fix it by holding an extra superblock->s_active reference across dput() from css release, which is the dput() path added by 48ddbe19 and the only one which doesn't hold an extra s_active ref across the final cgroup dput(). Signed-off-by: NTejun Heo <tj@kernel.org> LKML-Reference: <4FEEA5CB.8070809@huawei.com> Reported-by: Nshyju pv <shyju.pv@huawei.com> Tested-by: Nshyju pv <shyju.pv@huawei.com> Cc: Sasha Levin <levinsasha928@gmail.com> Acked-by: NLi Zefan <lizefan@huawei.com>
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由 Tejun Heo 提交于
This reverts commit fa980ca8. The commit was an attempt to fix a race condition where a cgroup hierarchy may be unmounted with positive dentry reference on root cgroup. While the commit made the race condition slightly more difficult to trigger, the race was still there and could be reliably triggered using a different test case. Revert the incorrect fix. The next commit will describe the race and fix it correctly. Signed-off-by: NTejun Heo <tj@kernel.org> LKML-Reference: <4FEEA5CB.8070809@huawei.com> Reported-by: Nshyju pv <shyju.pv@huawei.com> Cc: Sasha Levin <levinsasha928@gmail.com> Acked-by: NLi Zefan <lizefan@huawei.com>
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由 Shinya Kuribayashi 提交于
Commit 300bab97 (hwspinlock/core: register a bank of hwspinlocks in a single API call, 2011-09-06) introduced 'hwspin_lock_register_single()' to register numerous (a bank of) hwspinlock instances in a single API, 'hwspin_lock_register()'. At which time, 'hwspin_lock_register()' accidentally passes 'local IDs' to 'hwspin_lock_register_single()', despite that ..._single() requires 'global IDs' to register hwspinlocks. We have to convert into global IDs by supplying the missing 'base_id'. Cc: stable <stable@vger.kernel.org> Signed-off-by: NShinya Kuribayashi <shinya.kuribayashi.px@renesas.com> [ohad: fix error path of hwspin_lock_register, too] Signed-off-by: NOhad Ben-Cohen <ohad@wizery.com>
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git://git.linaro.org/people/rmk/linux-arm由 Linus Torvalds 提交于
Pull ARM fixes from Russell King: "Last merge window, we had some updates from Al cleaning up the signal restart handling. These have caused some problems on ARM, and while Al has some fixes, we have some concerns with Al's patches but we've been unsuccesful with discussing this. We have got to the point where we need to do something, and we've decided that the best solution is to revert the appropriate commits until Al is able to reply to us. Also included here are four patches to fix warnings that I've noticed in my build system, and one fix for kprobes test code." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: fix warning caused by wrongly typed arm_dma_limit ARM: fix warnings about atomic64_read ARM: 7440/1: kprobes: only test 'sub pc, pc, #1b-2b+8-2' on ARMv6 ARM: 7441/1: perf: return -EOPNOTSUPP if requested mode exclusion is unavailable ARM: 7443/1: Revert "new way of handling ERESTART_RESTARTBLOCK" ARM: 7442/1: Revert "remove unused restart trampoline" ARM: fix set_domain() macro ARM: fix mach-versatile/pci.c warning
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- 07 7月, 2012 11 次提交
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由 Andy Lutomirski 提交于
The documentation didn't actually mention how to enable no_new_privs. This also adds a note about possible interactions between no_new_privs and LSMs (i.e. why teaching systemd to set no_new_privs is not necessarily a good idea), and it references the new docs from include/linux/prctl.h. Suggested-by: NRob Landley <rob@landley.net> Signed-off-by: NAndy Lutomirski <luto@amacapital.net> Acked-by: NKees Cook <keescook@chromium.org> Signed-off-by: NJames Morris <james.l.morris@oracle.com>
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由 Linus Torvalds 提交于
Merge tag 'ecryptfs-3.5-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull eCryptfs fixes from Tyler Hicks: "Fixes an incorrect access mode check when preparing to open a file in the lower filesystem. This isn't an urgent fix, but it is simple and the check was obviously incorrect. Also fixes a couple important bugs in the eCryptfs miscdev interface. These changes are low risk due to the small number of users that use the miscdev interface. I was able to keep the changes minimal and I have some cleaner, more complete changes queued up for the next merge window that will build on these patches." * tag 'ecryptfs-3.5-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: Gracefully refuse miscdev file ops on inherited/passed files eCryptfs: Fix lockdep warning in miscdev operations eCryptfs: Properly check for O_RDONLY flag before doing privileged open
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending由 Linus Torvalds 提交于
Pull target fixes from Nicholas Bellinger: "Two minor target fixes. There is really nothing exciting and/or controversial this time around. There's one fix from MDR for a RCU debug warning message within tcm_fc code (CC'ed to stable), and a small AC fix for qla_target.c based upon a recent Coverity static report. Also, there is one other outstanding virtio-scsi LUN scanning bugfix that has been uncovered with the in-flight tcm_vhost driver over the last days, and that needs to make it into 3.5 final too. This patch has been posted to linux-scsi again here: http://marc.info/?l=linux-scsi&m=134160609212542&w=2 and I've asked James to include it in his next PULL request." * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: qla2xxx: print the right array elements in qlt_async_event tcm_fc: Resolve suspicious RCU usage warnings
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由 Tyler Hicks 提交于
File operations on /dev/ecryptfs would BUG() when the operations were performed by processes other than the process that originally opened the file. This could happen with open files inherited after fork() or file descriptors passed through IPC mechanisms. Rather than calling BUG(), an error code can be safely returned in most situations. In ecryptfs_miscdev_release(), eCryptfs still needs to handle the release even if the last file reference is being held by a process that didn't originally open the file. ecryptfs_find_daemon_by_euid() will not be successful, so a pointer to the daemon is stored in the file's private_data. The private_data pointer is initialized when the miscdev file is opened and only used when the file is released. https://launchpad.net/bugs/994247Signed-off-by: NTyler Hicks <tyhicks@canonical.com> Reported-by: NSasha Levin <levinsasha928@gmail.com> Tested-by: NSasha Levin <levinsasha928@gmail.com>
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由 Alan Cox 提交于
Based upon Alan's patch from Coverity scan id 793583, these debug messages in qlt_async_event() should be starting from byte 0, which is always the Asynchronous Event Status Code from the parent switch statement. Also, rename reason_code -> login_code following the language used in 2500 FW spec for Port Database Changed (0x8014) -> Port Database Changed Event Mailbox Register for mailbox[2]. Signed-off-by: NAlan Cox <alan@linux.intel.com> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Mark Rustad 提交于
Use rcu_dereference_protected to tell rcu that the ft_lport_lock is held during ft_lport_create. This resolved "suspicious RCU usage" warnings when debugging options are turned on. Signed-off-by: NMark Rustad <mark.d.rustad@intel.com> Tested-by: NRoss Brattain <ross.b.brattain@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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git://git.infradead.org/linux-mtd由 Linus Torvalds 提交于
Pull two MTD fixes from David Woodhouse: - Fix a logic error in OLPC CAFÉ NAND ready() function. - Fix regression due to bitflip handling changes. * tag 'for-linus-20120706' of git://git.infradead.org/linux-mtd: mtd: cafe_nand: fix an & vs | mistake mtd: nand: initialize bitflip_threshold prior to BBT scanning
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由 Andy Lutomirski 提交于
Otherwise the code races with munmap (causing a use-after-free of the vma) or with close (causing a use-after-free of the struct file). The bug was introduced by commit 90ed52eb ("[PATCH] holepunch: fix mmap_sem i_mutex deadlock") Cc: Hugh Dickins <hugh@veritas.com> Cc: Miklos Szeredi <mszeredi@suse.cz> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Nick Piggin <npiggin@suse.de> Cc: stable@vger.kernel.org Signed-off-by: NAndy Lutomirski <luto@amacapital.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2由 Linus Torvalds 提交于
Pull ocfs2 fixes from Joel Becker. * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: aio: make kiocb->private NUll in init_sync_kiocb() ocfs2: Fix bogus error message from ocfs2_global_read_info ocfs2: for SEEK_DATA/SEEK_HOLE, return internal error unchanged if ocfs2_get_clusters_nocache() or ocfs2_inode_lock() call failed. ocfs2: use spinlock irqsave for downconvert lock.patch ocfs2: Misplaced parens in unlikley ocfs2: clear unaligned io flag when dio fails
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git://git.samba.org/sfrench/cifs-2.6由 Linus Torvalds 提交于
Pull cifs fixes from Steve French. * git://git.samba.org/sfrench/cifs-2.6: cifs: when server doesn't set CAP_LARGE_READ_X, cap default rsize at MaxBufferSize cifs: fix parsing of password mount option
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
Pull input layer fixes from Dmitry Torokhov: "Two fixes for regressions in Wacom driver and fixes for drivers using threaded IRQ framework without specifying IRQF_ONESHOT." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: request threaded-only IRQs with IRQF_ONESHOT Input: wacom - don't retrieve touch_max when it is predefined Input: wacom - fix retrieving touch_max bug Input: fix input.h kernel-doc warning
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- 06 7月, 2012 2 次提交
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由 Dan Carpenter 提交于
The intent here was clearly to set result to true if the 0x40000000 flag was set. But instead there was a | vs & typo and we always set result to true. Artem: check the spec at wiki.laptop.org/images/5/5c/88ALP01_Datasheet_July_2007.pdf and this fix looks correct. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Cc: stable@vger.kernel.org Signed-off-by: NArtem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Arnd Bergmann: "Small fixes on multiple ARM platforms - A build regression from a previous fix on dove and mv78xx0 - Two fixes for recently (3.5-rc1) changed mmp/pxa code - multiple omap2+ bug fixes - two trivial fixes for i.MX - one v3.5 regression for mxs" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: apx4devkit: fix FEC enabling PHY clock ARM: OMAP2+: hwmod data: Fix wrong McBSP clock alias on OMAP4 ARM: OMAP4: hwmod data: temporarily comment out data for the usb_host_fs and aess IP blocks ARM: Orion: Fix WDT compile for Dove and MV78xx0 ARM: mmp: remove mach/gpio-pxa.h ARM: imx: assert SCC gate stays enabled ARM: OMAP4: TWL6030: ensure sys_nirq1 is mux'd and wakeup enabled ARM: OMAP2: Overo: init I2C before MMC to fix MMC suspend/resume failure ARM: imx27_visstrim_m10: Do not include <asm/system.h> ARM: pxa: hx4700: Fix basic suspend/resume
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