Commit-ID: 1017769bd0073f0a73e066377cd79a10cf0a33ab
Gitweb: http://git.kernel.org/tip/1017769bd0073f0a73e066377cd79a10cf0a33ab
Author: Frederic Weisbecker <fweisbec@xxxxxxxxx>
AuthorDate: Wed, 14 Nov 2012 00:26:54 +0100
Committer: Frederic Weisbecker <fweisbec@xxxxxxxxx>
CommitDate: Mon, 19 Nov 2012 16:41:41 +0100
vtime: No need to disable irqs on vtime_account()
vtime_account() is only called from irq entry. irqs
are always disabled at this point so we can safely
remove the irq disabling guards on that function.
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Reviewed-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
kernel/sched/cputime.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 2e8d34a..80b2fd5 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -467,16 +467,10 @@ void vtime_task_switch(struct task_struct *prev)
#ifndef __ARCH_HAS_VTIME_ACCOUNT
void vtime_account(struct task_struct *tsk)
{
- unsigned long flags;
-
- local_irq_save(flags);
-
if (in_interrupt() || !is_idle_task(tsk))
vtime_account_system(tsk);
else
vtime_account_idle(tsk);
-
- local_irq_restore(flags);
}
EXPORT_SYMBOL_GPL(vtime_account);
#endif /* __ARCH_HAS_VTIME_ACCOUNT */
--
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