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>
diff --git a/kernel/smp.c b/kernel/smp.c
index ab10793..462c785 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -312,6 +312,7 @@
if (!data) {
data = &d;
data->csd.flags = CSD_FLAG_WAIT;
+ wait = 1;
}
spin_lock_init(&data->lock);