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Make sure that the processor is actually online or die spectacularly.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-07-15 15:44:02 +00:00
parent 1d40cfcd34
commit ae1b3d51c8
1 changed files with 5 additions and 0 deletions
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5
arch/mips/kernel/smp.c
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@ -142,6 +142,11 @@ int smp_call_function (void (*func) (void *info), void *info, int retry,
int i, cpus = num_online_cpus() - 1;
int cpu = smp_processor_id();
/*
* Can die spectacularly if this CPU isn't yet marked online
*/
BUG_ON(!cpu_online(cpu));
if (!cpus)
return 0;