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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 16:17:32 +0200 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 16:17:32 +0200 | 
| commit | 3cfef9524677a4ecb392d6fbffe6ebce6302f1d4 (patch) | |
| tree | 88647d9dc50d634dee9cfeb7f354d620977a2f33 /kernel/posix-cpu-timers.c | |
| parent | 982653009b883ef1529089e3e6f1ae2fee41cbe2 (diff) | |
| parent | 68cc3990a545dc0da221b4844dd8b9c06623a6c5 (diff) | |
| download | olio-linux-3.10-3cfef9524677a4ecb392d6fbffe6ebce6302f1d4.tar.xz olio-linux-3.10-3cfef9524677a4ecb392d6fbffe6ebce6302f1d4.zip | |
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
  rtmutex: Add missing rcu_read_unlock() in debug_rt_mutex_print_deadlock()
  lockdep: Comment all warnings
  lib: atomic64: Change the type of local lock to raw_spinlock_t
  locking, lib/atomic64: Annotate atomic64_lock::lock as raw
  locking, x86, iommu: Annotate qi->q_lock as raw
  locking, x86, iommu: Annotate irq_2_ir_lock as raw
  locking, x86, iommu: Annotate iommu->register_lock as raw
  locking, dma, ipu: Annotate bank_lock as raw
  locking, ARM: Annotate low level hw locks as raw
  locking, drivers/dca: Annotate dca_lock as raw
  locking, powerpc: Annotate uic->lock as raw
  locking, x86: mce: Annotate cmci_discover_lock as raw
  locking, ACPI: Annotate c3_lock as raw
  locking, oprofile: Annotate oprofilefs lock as raw
  locking, video: Annotate vga console lock as raw
  locking, latencytop: Annotate latency_lock as raw
  locking, timer_stats: Annotate table_lock as raw
  locking, rwsem: Annotate inner lock as raw
  locking, semaphores: Annotate inner lock as raw
  locking, sched: Annotate thread_group_cputimer as raw
  ...
Fix up conflicts in kernel/posix-cpu-timers.c manually: making
cputimer->cputime a raw lock conflicted with the ABBA fix in commit
bcd5cff7216f ("cputimer: Cure lock inversion").
Diffstat (limited to 'kernel/posix-cpu-timers.c')
| -rw-r--r-- | kernel/posix-cpu-timers.c | 14 | 
1 files changed, 7 insertions, 7 deletions
| diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 640ded8f5c4..e7cb76dc18f 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -282,13 +282,13 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times)  		 * it.  		 */  		thread_group_cputime(tsk, &sum); -		spin_lock_irqsave(&cputimer->lock, flags); +		raw_spin_lock_irqsave(&cputimer->lock, flags);  		cputimer->running = 1;  		update_gt_cputime(&cputimer->cputime, &sum);  	} else -		spin_lock_irqsave(&cputimer->lock, flags); +		raw_spin_lock_irqsave(&cputimer->lock, flags);  	*times = cputimer->cputime; -	spin_unlock_irqrestore(&cputimer->lock, flags); +	raw_spin_unlock_irqrestore(&cputimer->lock, flags);  }  /* @@ -999,9 +999,9 @@ static void stop_process_timers(struct signal_struct *sig)  	struct thread_group_cputimer *cputimer = &sig->cputimer;  	unsigned long flags; -	spin_lock_irqsave(&cputimer->lock, flags); +	raw_spin_lock_irqsave(&cputimer->lock, flags);  	cputimer->running = 0; -	spin_unlock_irqrestore(&cputimer->lock, flags); +	raw_spin_unlock_irqrestore(&cputimer->lock, flags);  }  static u32 onecputick; @@ -1291,9 +1291,9 @@ static inline int fastpath_timer_check(struct task_struct *tsk)  	if (sig->cputimer.running) {  		struct task_cputime group_sample; -		spin_lock(&sig->cputimer.lock); +		raw_spin_lock(&sig->cputimer.lock);  		group_sample = sig->cputimer.cputime; -		spin_unlock(&sig->cputimer.lock); +		raw_spin_unlock(&sig->cputimer.lock);  		if (task_cputime_expired(&group_sample, &sig->cputime_expires))  			return 1; |