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[PATCH] powerpc: Ensure runlatch is off in the idle loop 

Since external and decrementer interrupts set the runlatch on, we need
to ensure its set off again in the idle loop. At the moment we dont turn
it off in the inner loop.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Anton Blanchard 2006-04-02 19:54:09 +10:00 committed by Paul Mackerras
parent b86756ae76
commit ddafddcfc7
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kernel/idle.c
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@ -50,9 +50,9 @@ void cpu_idle(void)
set_thread_flag(TIF_POLLING_NRFLAG); set_thread_flag(TIF_POLLING_NRFLAG);
while (1) { while (1) {
ppc64_runlatch_off();
while (!need_resched() && !cpu_should_die()) { while (!need_resched() && !cpu_should_die()) {
ppc64_runlatch_off();
if (ppc_md.power_save) { if (ppc_md.power_save) {
clear_thread_flag(TIF_POLLING_NRFLAG); clear_thread_flag(TIF_POLLING_NRFLAG);
/* /*