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generic ipi function calls: wait on alloc failure fallback 

When a GFP_ATOMIC allocation fails, it falls back to allocating the
data on the stack and converting it to a waiting call.

Make sure we actually wait in this case.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeremy Fitzhardinge 2008-07-15 13:22:49 -07:00 committed by Linus Torvalds
parent 59190f4213
commit 63cf13b77a
1 changed files with 1 additions and 0 deletions
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kernel/smp.c
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@ -312,6 +312,7 @@ int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info,
if (!data) {
data = &d;
data->csd.flags = CSD_FLAG_WAIT;
wait = 1;
}
spin_lock_init(&data->lock);