Re: [patch 3/4] powerpc 2.6.21-rt1: add a need_resched_delayed() check
From: Tsutomu OWA <hidden>
Date: 2007-05-14 06:45:13
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Add a need_resched_delayed() check. This was pointed by Sergei Shtylyov; http://ozlabs.org/pipermail/linuxppc-dev/2007-March/033148.html Signed-off-by: Tsutomu Owa <redacted> -- owa diff -rup linux-2.6.21-rt1/arch/powerpc/kernel/idle.c rt/arch/powerpc/kernel/idle.c
--- linux-2.6.21-rt1/arch/powerpc/kernel/idle.c 2007-05-07 14:08:12.000000000 +0900
+++ rt/arch/powerpc/kernel/idle.c 2007-05-07 14:05:30.000000000 +0900@@ -70,7 +70,9 @@ void cpu_idle(void) local_irq_disable(); /* check again after disabling irqs */ - if (!need_resched() && !cpu_should_die()) + if (!need_resched() && + !need_resched_delayed() && + !cpu_should_die()) ppc_md.power_save(); local_irq_enable();