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[PATCH] powerpc: sched fixups

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- Re-add a hunk lost during merge: ppc64 is missing the hunk that disables
  preempt on the secondary CPUs before they call cpu_idle().

- ppc's cpu_idle() had the need_resched() test wrong.

Cc: Nick Piggin <nickpiggin@yahoo.com.au>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2005-11-09 15:45:30 -08:00 committed by Linus Torvalds
parent a47ab9371e
commit e4d76e1c0b
2 changed files with 2 additions and 1 deletions
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1
arch/powerpc/kernel/smp.c
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@ -510,6 +510,7 @@ int __devinit start_secondary(void *unused)
smp_store_cpu_info(cpu);
set_dec(tb_ticks_per_jiffy);
preempt_disable();
cpu_callin_map[cpu] = 1;
smp_ops->setup_cpu(cpu);

2
arch/ppc/kernel/idle.c
View File

@ -63,7 +63,7 @@ void cpu_idle(void)
int cpu = smp_processor_id();
for (;;) {
while (need_resched()) {
while (!need_resched()) {
if (ppc_md.idle != NULL)
ppc_md.idle();
else