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Subject[PATCH] generic ipi function calls: wait on alloc failure fallback
When a GFP_ATOMIC allocation fails, smp_call_function_mask 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>
---
kernel/smp.c | 1 +
1 file changed, 1 insertion(+)

===================================================================
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -312,6 +312,7 @@ int smp_call_function_mask(cpumask_t mas
if (!data) {
data = &d;
data->csd.flags = CSD_FLAG_WAIT;
+ wait = 1;
}

spin_lock_init(&data->lock);




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