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authorFrederic Weisbecker <fweisbec@gmail.com>2012-11-14 00:26:54 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2012-11-19 16:41:41 +0100
commit1017769bd0073f0a73e066377cd79a10cf0a33ab (patch)
treeb9abda7f6e5b9525c1685acbffbc4f6034f8f3b3 /kernel/sched
parente3942ba04052364d3c6454103362cafd87456010 (diff)
downloadlinaro-lsk-1017769bd0073f0a73e066377cd79a10cf0a33ab.tar.gz
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@gmail.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/cputime.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 2e8d34aac97..80b2fd5a7cf 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 */