AcoSail/kernel_optimize_test
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sh: Make check_pgt_cache() more aggressive while idling.

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This follows the x86 change and moves check_pgt_cache() up under the
!need_resched() tight loop, rather than simply calling in to it when
exiting idle.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-10-16 17:27:58 +09:00
parent f533c3d340
commit 0e6d4986e7
1 changed files with 3 additions and 1 deletions
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arch/sh/kernel/idle.c
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@ -88,6 +88,9 @@ void cpu_idle(void)
tick_nohz_stop_sched_tick(1);
while (!need_resched() && cpu_online(cpu)) {
check_pgt_cache();
rmb();
local_irq_disable();
/* Don't trace irqs off for idle */
stop_critical_timings();
@ -104,7 +107,6 @@ void cpu_idle(void)
preempt_enable_no_resched();
schedule();
preempt_disable();
check_pgt_cache();
}
}