Kernel

perf/perf_events: misleading number of samples due to mmap()
On Wed, 2010-06-16 at 18:41 +0200, stephane eranian wrote: On Wed, Jun 16, 2010 at 4:52 PM, Peter Zijlstra <peterz(a)infradead.org> wrote: On Wed, 2010-06-16 at 16:40 +0200, Stephane Eranian wrote: This leads me to another point. For per-thread sampling, why do we need to record mmap() events happenin... 16 Jun 2010 14:22

[PATCH] arm/include: Fix missing semicolon in module.h
From: Peter Huewe <peterhuewe(a)gmx.de> This patch fixes a missing semicolon which introduced buildfailures [2] for almost every arm defconfig, introduced by patch cecaa4c6b [1] This issue arises only if CONFIG_ARM_UNWIND is not set. Signed-off-by: Peter Huewe <peterhuewe(a)gmx.de> --- KernelVersion: linux-next... 16 Jun 2010 14:22

scsi:hosts.c Fix warning: variable 'rval' set but not used
Justin P. Mattock wrote: On 06/16/2010 08:34 AM, James Bottomley wrote: However, I don't think we should be ignoring the fact that the eh thread failed to spawn, so I think some type of printed warning (giving the error code) would be a much more appropriate replacement. o.k. I'll give a try at... 16 Jun 2010 14:22

[PATCH] usb: conexant: fixed spacing and brace coding style issues
Fixed spacing and brace coding style issues. Signed-off-by: Nicolas Kaiser <nikai(a)nikai.net> --- drivers/usb/atm/cxacru.c | 11 +++++------ 1 files changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index c89990f..191e8ae 100644 --- a/drivers/usb/atm/... 16 Jun 2010 14:22

perf: Reduce perf_disable() usage
On Wed, Jun 16, 2010 at 06:00:32PM +0200, Peter Zijlstra wrote: Since the current perf_disable() usage is only an optimization, remove it for now. This eases the removal of the weak hw_perf_enable interface. [ Some comments talk about NMI races, but I cannot find any such things. ] The race ... 16 Jun 2010 13:16

perf/perf_events: misleading number of samples due to mmap()
On Wed, Jun 16, 2010 at 4:52 PM, Peter Zijlstra <peterz(a)infradead.org> wrote: On Wed, 2010-06-16 at 16:40 +0200, Stephane Eranian wrote: This leads me to another point. For per-thread sampling, why do we need to record mmap() events happening *outside* of the process? I can understand the exception of ke... 16 Jun 2010 14:22

perf: register pmu implementations
On 16.06.10 12:00:30, Peter Zijlstra wrote: Simple registration interface for struct pmu, this provides the infrastructure for removing all the weak functions. Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl> --- arch/arm/kernel/perf_event.c | 36 + arch/powerpc/kernel/perf_ev... 9 Jul 2010 05:04

[PATCH] procfs: Do not release pid_ns->proc_mnt too early
[ Resending, hopefully with all pieces ] Detached tasks are not seen by zap_pid_ns_processes()->sys_wait4(), so that release_task()->proc_flush_task() of container init can be called before it is for some detached tasks in the namespace. Pin proc_mnt's in copy_process(), so that proc_flush_task() becomes safe ... 16 Jun 2010 13:16

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procfs: Do not release pid_ns->proc_mnt too early
> +void proc_new_task(struct task_struct *task) +{ + struct pid *pid; + int i; + + if (!task->pid) + return; + + pid = task_pid(task); + for (i = 0; i <= pid->level; i++) + mntget(pid->numbers[i].ns->proc_mnt); I feel I'm missing something significant, but this patch breaks the mntge... 21 Jun 2010 11:19