- 28 12月, 2016 10 次提交
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由 Tejun Heo 提交于
Currently, cgroup_kf_syscall_ops is shared by v1 and v2 and the specific methods test the version and take different actions. Split out v1 functions and put them in cgroup1_kf_syscall_ops and remove the now unnecessary explicit branches in specific methods. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
While sharing some mechanisms, the mount paths of v1 and v2 are substantially different. Their implementations were mixed in cgroup_mount(). This patch splits them out so that they're easier to follow and organize. This patch causes one functional change - the WARN_ON(new_sb) gets lost. This is because the actual mounting gets moved to cgroup_do_mount() and thus @new_sb is no longer accessible by default to cgroup1_mount(). While we can add it as an explicit out parameter to cgroup_do_mount(), this part of code hasn't changed and the warning hasn't triggered for quite a while. Dropping it should be fine. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
cgroup.c is getting too unwieldy. Let's move out cgroup v1 specific code along with the debug controller into kernel/cgroup/cgroup-v1.c. v2: cgroup_mutex and css_set_lock made available in cgroup-internal.h regardless of CONFIG_PROVE_RCU. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
They're growing to be too many and planned to get split further. Move them under their own directory. kernel/cgroup.c -> kernel/cgroup/cgroup.c kernel/cgroup_freezer.c -> kernel/cgroup/freezer.c kernel/cgroup_pids.c -> kernel/cgroup/pids.c kernel/cpuset.c -> kernel/cgroup/cpuset.c Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
Reorder css_set fields so that they're roughly in the order of how hot they are. The rough order is 1. the actual csses 2. reference counter and the default cgroup pointer. 3. task lists and iterations 4. fields used during merge including css_set lookup 5. the rest Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
cgroup_pid_fry() was added to mangle cgroup.procs pid listing order on v2 to make it clear that the output is not sorted. Now that v2 now uses a separate "cgroup.procs" read method, this is no longer used. Remove it. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
On v1, "tasks" and "cgroup.procs" are expected to be sorted which makes the implementation expensive and unnecessarily complicated involving result cache management. v2 doesn't have the sorting requirement, so it can just iterate and print processes one by one. seq_files are either read sequentially or reset to position zero, so the implementation doesn't even need to worry about seeking. This keeps the css_task_iter across multiple read(2) calls and migrations of new processes always append won't miss processes which are newly migrated in before each read(2). Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
Pipe the newly added kernfs->open/release() callbacks through cftype. While at it, as cleanup operations now can be performed from ->release() instead of ->seq_stop(), make the latter optional. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
Add ->open/release() methods to kernfs_ops. ->open() is called when the file is opened and ->release() when the file is either released or severed. These callbacks can be used, for example, to manage persistent caching objects over multiple seq_file iterations. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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由 Tejun Heo 提交于
More kernfs_open_file->mutex synchronized flags are planned to be added. Convert ->mmapped to a bitfield in preparation. While at it, make kernfs_fop_mmap() use "true" instead of "1" on ->mmapped. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: NAcked-by: Zefan Li <lizefan@huawei.com>
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- 26 12月, 2016 11 次提交
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由 Linus Torvalds 提交于
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由 Larry Finger 提交于
I am getting the following warning when I build kernel 4.9-git on my PowerBook G4 with a 32-bit PPC processor: AS arch/powerpc/kernel/misc_32.o arch/powerpc/kernel/misc_32.S:299:7: warning: "CONFIG_FSL_BOOKE" is not defined [-Wundef] This problem is evident after commit 989cea5c ("kbuild: prevent lib-ksyms.o rebuilds"); however, this change in kbuild only exposes an error that has been in the code since 2005 when this source file was created. That was with commit 9994a338 ("powerpc: Introduce entry_{32,64}.S, misc_{32,64}.S, systbl.S"). The offending line does not make a lot of sense. This error does not seem to cause any errors in the executable, thus I am not recommending that it be applied to any stable versions. Thanks to Nicholas Piggin for suggesting this solution. Fixes: 9994a338 ("powerpc: Introduce entry_{32,64}.S, misc_{32,64}.S, systbl.S") Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
The timer type simplifications caused a new gcc warning: drivers/base/power/domain.c: In function ‘genpd_runtime_suspend’: drivers/base/power/domain.c:562:14: warning: ‘time_start’ may be used uninitialized in this function [-Wmaybe-uninitialized] elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); despite the actual use of "time_start" not having changed in any way. It appears that simply changing the type of ktime_t from a union to a plain scalar type made gcc check the use. The variable wasn't actually used uninitialized, but gcc apparently failed to notice that the conditional around the use was exactly the same as the conditional around the initialization of that variable. Add an unnecessary initialization just to shut up the compiler. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull timer type cleanups from Thomas Gleixner: "This series does a tree wide cleanup of types related to timers/timekeeping. - Get rid of cycles_t and use a plain u64. The type is not really helpful and caused more confusion than clarity - Get rid of the ktime union. The union has become useless as we use the scalar nanoseconds storage unconditionally now. The 32bit timespec alike storage got removed due to the Y2038 limitations some time ago. That leaves the odd union access around for no reason. Clean it up. Both changes have been done with coccinelle and a small amount of manual mopping up" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ktime: Get rid of ktime_equal() ktime: Cleanup ktime_set() usage ktime: Get rid of the union clocksource: Use a plain u64 instead of cycle_t
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull SMP hotplug notifier removal from Thomas Gleixner: "This is the final cleanup of the hotplug notifier infrastructure. The series has been reintgrated in the last two days because there came a new driver using the old infrastructure via the SCSI tree. Summary: - convert the last leftover drivers utilizing notifiers - fixup for a completely broken hotplug user - prevent setup of already used states - removal of the notifiers - treewide cleanup of hotplug state names - consolidation of state space There is a sphinx based documentation pending, but that needs review from the documentation folks" * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/armada-xp: Consolidate hotplug state space irqchip/gic: Consolidate hotplug state space coresight/etm3/4x: Consolidate hotplug state space cpu/hotplug: Cleanup state names cpu/hotplug: Remove obsolete cpu hotplug register/unregister functions staging/lustre/libcfs: Convert to hotplug state machine scsi/bnx2i: Convert to hotplug state machine scsi/bnx2fc: Convert to hotplug state machine cpu/hotplug: Prevent overwriting of callbacks x86/msr: Remove bogus cleanup from the error path bus: arm-ccn: Prevent hotplug callback leak perf/x86/intel/cstate: Prevent hotplug callback leak ARM/imx/mmcd: Fix broken cpu hotplug handling scsi: qedi: Convert to hotplug state machine
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux由 Linus Torvalds 提交于
Pull turbostat updates from Len Brown. * 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: remove obsolete -M, -m, -C, -c options tools/power turbostat: Make extensible via the --add parameter tools/power turbostat: Denverton uses a 25 MHz crystal, not 19.2 MHz tools/power turbostat: line up headers when -M is used tools/power turbostat: fix SKX PKG_CSTATE_LIMIT decoding tools/power turbostat: Support Knights Mill (KNM) tools/power turbostat: Display HWP OOB status tools/power turbostat: fix Denverton BCLK tools/power turbostat: use intel-family.h model strings tools/power/turbostat: Add Denverton RAPL support tools/power/turbostat: Add Denverton support tools/power/turbostat: split core MSR support into status + limit tools/power turbostat: fix error case overflow read of slm_freq_table[] tools/power turbostat: Allocate correct amount of fd and irq entries tools/power turbostat: switch to tab delimited output tools/power turbostat: Gracefully handle ACPI S3 tools/power turbostat: tidy up output on Joule counter overflow
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由 Nicholas Piggin 提交于
Add a new page flag, PageWaiters, to indicate the page waitqueue has tasks waiting. This can be tested rather than testing waitqueue_active which requires another cacheline load. This bit is always set when the page has tasks on page_waitqueue(page), and is set and cleared under the waitqueue lock. It may be set when there are no tasks on the waitqueue, which will cause a harmless extra wakeup check that will clears the bit. The generic bit-waitqueue infrastructure is no longer used for pages. Instead, waitqueues are used directly with a custom key type. The generic code was not flexible enough to have PageWaiters manipulation under the waitqueue lock (which simplifies concurrency). This improves the performance of page lock intensive microbenchmarks by 2-3%. Putting two bits in the same word opens the opportunity to remove the memory barrier between clearing the lock bit and testing the waiters bit, after some work on the arch primitives (e.g., ensuring memory operand widths match and cover both bits). Signed-off-by: NNicholas Piggin <npiggin@gmail.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Bob Peterson <rpeterso@redhat.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Andrew Lutomirski <luto@kernel.org> Cc: Andreas Gruenbacher <agruenba@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Nicholas Piggin 提交于
A page is not added to the swap cache without being swap backed, so PageSwapBacked mappings can use PG_owner_priv_1 for PageSwapCache. Signed-off-by: NNicholas Piggin <npiggin@gmail.com> Acked-by: NHugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Bob Peterson <rpeterso@redhat.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Andrew Lutomirski <luto@kernel.org> Cc: Andreas Gruenbacher <agruenba@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Thomas Gleixner 提交于
No point in going through loops and hoops instead of just comparing the values. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
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由 Thomas Gleixner 提交于
ktime_set(S,N) was required for the timespec storage type and is still useful for situations where a Seconds and Nanoseconds part of a time value needs to be converted. For anything where the Seconds argument is 0, this is pointless and can be replaced with a simple assignment. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
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由 Thomas Gleixner 提交于
ktime is a union because the initial implementation stored the time in scalar nanoseconds on 64 bit machine and in a endianess optimized timespec variant for 32bit machines. The Y2038 cleanup removed the timespec variant and switched everything to scalar nanoseconds. The union remained, but become completely pointless. Get rid of the union and just keep ktime_t as simple typedef of type s64. The conversion was done with coccinelle and some manual mopping up. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
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- 25 12月, 2016 19 次提交
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由 Thomas Gleixner 提交于
There is no point in having an extra type for extra confusion. u64 is unambiguous. Conversion was done with the following coccinelle script: @rem@ @@ -typedef u64 cycle_t; @fix@ typedef cycle_t; @@ -cycle_t +u64 Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: John Stultz <john.stultz@linaro.org>
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由 Thomas Gleixner 提交于
The mpic is either the main interrupt controller or is cascaded behind a GIC. The mpic is single instance and the modes are mutually exclusive, so there is no reason to have seperate cpu hotplug states. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Marc Zyngier <marc.zyngier@arm.com> Link: http://lkml.kernel.org/r/20161221192112.333161745@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
Even if both drivers are compiled in only one instance can run on a given system depending on the available GIC version. So having seperate hotplug states for them is pointless. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Sebastian Siewior <bigeasy@linutronix.de> Link: http://lkml.kernel.org/r/20161221192112.252416267@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
Even if both drivers are compiled in only one instance can run on a given system depending on the available tracer cell. So having seperate hotplug states for them is pointless. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Link: http://lkml.kernel.org/r/20161221192112.162765484@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
When the state names got added a script was used to add the extra argument to the calls. The script basically converted the state constant to a string, but the cleanup to convert these strings into meaningful ones did not happen. Replace all the useless strings with 'subsys/xxx/yyy:state' strings which are used in all the other places already. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Link: http://lkml.kernel.org/r/20161221192112.085444152@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
hotcpu_notifier(), cpu_notifier(), __hotcpu_notifier(), __cpu_notifier(), register_hotcpu_notifier(), register_cpu_notifier(), __register_hotcpu_notifier(), __register_cpu_notifier(), unregister_hotcpu_notifier(), unregister_cpu_notifier(), __unregister_hotcpu_notifier(), __unregister_cpu_notifier() are unused now. Remove them and all related code. Remove also the now pointless cpu notifier error injection mechanism. The states can be executed step by step and error rollback is the same as cpu down, so any state transition can be tested w/o requiring the notifier error injection. Some CPU hotplug states are kept as they are (ab)used for hotplug state tracking. Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20161221192112.005642358@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Anna-Maria Gleixner 提交于
Install the callbacks via the state machine. No functional change. Signed-off-by: NAnna-Maria Gleixner <anna-maria@linutronix.de> Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: devel@driverdev.osuosl.org Cc: Andreas Dilger <andreas.dilger@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Oleg Drokin <oleg.drokin@intel.com> Cc: rt@linutronix.de Cc: lustre-devel@lists.lustre.org Link: http://lkml.kernel.org/r/20161202110027.htzzeervzkoc4muv@linutronix.de Link: http://lkml.kernel.org/r/20161221192111.922872524@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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Install the callbacks via the state machine. No functional change. This is the minimal fixup so we can remove the hotplug notifier mess completely. The real rework of this driver to use work queues is still stuck in review/testing on the SCSI mailing list. Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: linux-scsi@vger.kernel.org Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: QLogic-Storage-Upstream@qlogic.com Cc: Johannes Thumshirn <jth@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Link: http://lkml.kernel.org/r/20161221192111.836895753@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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Install the callbacks via the state machine. No functional change. This is the minimal fixup so we can remove the hotplug notifier mess completely. The real rework of this driver to use work queues is still stuck in review/testing on the SCSI mailing list. Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: linux-scsi@vger.kernel.org Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: QLogic-Storage-Upstream@qlogic.com Cc: Johannes Thumshirn <jth@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Link: http://lkml.kernel.org/r/20161221192111.757309869@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
Developers manage to overwrite states blindly without thought. That's fatal and hard to debug. Add sanity checks to make it fail. This requries to restructure the code so that the dynamic state allocation happens in the same lock protected section as the actual store. Otherwise the previous assignment of 'Reserved' to the name field would trigger the overwrite check. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Link: http://lkml.kernel.org/r/20161221192111.675234535@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
The error cleanup which is invoked when the hotplug state setup failed tries to remove the failed state, which is broken. Fixes: 8fba38c9 ("x86/msr: Convert to hotplug state machine") Reported-by: Nkernel test robot <fengguang.wu@intel.com> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Sebastian Siewior <bigeasy@linutronix.de>
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由 Thomas Gleixner 提交于
In case the driver registration fails, the hotplug callback is leaked. Not fatal, because it's never invoked as there are no instances registered, but wrong nevertheless. Fixes: fdc15a36 ("bus/arm-ccn: Convert to hotplug statemachine") Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com>
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由 Thomas Gleixner 提交于
If the pmu registration fails the registered hotplug callbacks are not removed. Wrong in any case, but fatal in case of a modular driver. Replace the nonsensical state names with proper ones while at it. Fixes: 77c34ef1 ("perf/x86/intel/cstate: Convert Intel CSTATE to hotplug state machine") Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: stable@vger.kernel.org
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由 Thomas Gleixner 提交于
The cpu hotplug support of this perf driver is broken in several ways: 1) It adds a instance before setting up the state. 2) The state for the instance is different from the state of the callback. It's just a randomly chosen state. 3) The instance registration is not error checked so nobody noticed that the call can never succeed. 4) The state for the multi install callbacks is chosen randomly and overwrites existing state. This is now prevented by the core code so the call is guaranteed to fail. 5) The error exit path in the init function leaves the instance registered and then frees the memory which contains the enqueued hlist node. 6) The remove function is removing the state and not the instance. Fix it by: - Setting up the state before adding instances. Use a dynamically allocated state for it. - Installing instances after the state has been set up - Removing the instance in the error path before freeing memory - Removing the instance not the state in the driver remove callback While at is use raw_cpu_processor_id(), because cpu_processor_id() cannot be used in preemptible context, and set the driver data after successful registration of the pmu. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Acked-by: NShawn Guo <shawnguo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Frank Li <frank.li@nxp.com> Cc: Zhengyu Shen <zhengyu.shen@nxp.com> Link: http://lkml.kernel.org/r/20161221192111.596204211@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
The CPU hotplug code is a trainwreck. It leaks a notifier in case of driver registration error and the per cpu loop is racy against cpu hotplug. Aside of that the driver should have been written and merged with the new state machine interfaces in the first place. Mop up the mess and Convert it to the hotplug state machine. Signed-off-by: NThomas Grumpy Gleixner <tglx@linutronix.de> Cc: Nilesh Javali <nilesh.javali@cavium.com> Cc: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Cc: Chad Dupuis <chad.dupuis@cavium.com> Cc: Saurav Kashyap <saurav.kashyap@cavium.com> Cc: Arun Easi <arun.easi@cavium.com> Cc: Manish Rangankar <manish.rangankar@cavium.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
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由 Len Brown 提交于
The new --add option has replaced the -M, -m, -C, -c options Eg. -M 0x10 is now --add msr0x10,raw -m 0x10 is now --add msr0x10,raw,u32 -C 0x10 is now --add msr0x10,delta -c 0x10 is now --add msr0x10,delta,u32 The --add option can be repeated to add any number of counters, while the previous options were limited to adding one of each type. In addition, the --add option can accept a column label, and can also display a counter as a percentage of elapsed cycles. Eg. --add msr0x3fe,core,percent,MY_CC3 Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Len Brown 提交于
Create the "--add" parameter. This can be used to teach an existing turbostat binary about any number of any type of counter. turbostat(8) details the syntax for --add. Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Linus Torvalds 提交于
This was entirely automated, using the script by Al: PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>' sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \ $(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h) to do the replacement at the end of the merge window. Requested-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.samba.org/sfrench/cifs-2.6由 Linus Torvalds 提交于
Pull cifs fixes from Steve French: "This ncludes various cifs/smb3 bug fixes, mostly for stable as well. In the next week I expect that Germano will have some reconnection fixes, and also I expect to have the remaining pieces of the snapshot enablement and SMB3 ACLs, but wanted to get this set of bug fixes in" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: cifs_get_root shouldn't use path with tree name Fix default behaviour for empty domains and add domainauto option cifs: use %16phN for formatting md5 sum cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack CIFS: Fix a possible double locking of mutex during reconnect CIFS: Fix a possible memory corruption during reconnect CIFS: Fix a possible memory corruption in push locks CIFS: Fix missing nls unload in smb2_reconnect() CIFS: Decrease verbosity of ioctl call SMB3: parsing for new snapshot timestamp mount parm
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