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powerpc/pmac/smp: Remove no-longer needed preempt workaround

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The generic code properly re-initializes the preempt count in the
idle thread now

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-03-08 14:57:26 +11:00
parent aeeafbfa7a
commit 76d479a7ca
1 changed files with 0 additions and 7 deletions
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7
arch/powerpc/platforms/powermac/smp.c
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@ -950,13 +950,6 @@ static void pmac_cpu_die(void)
generic_set_cpu_dead(cpu); generic_set_cpu_dead(cpu);
smp_wmb(); smp_wmb();
/*
* during the path that leads here preemption is disabled,
* reenable it now so that when coming up preempt count is
* zero correctly
*/
preempt_enable();
/* /*
* Re-enable interrupts. The NAP code needs to enable them * Re-enable interrupts. The NAP code needs to enable them
* anyways, do it now so we deal with the case where one already * anyways, do it now so we deal with the case where one already