Commit 1017769b authored Nov 14, 2012 by Frederic Weisbecker

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>

parent e3942ba0

kernel/sched/cputime.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -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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