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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2007-10-26 07:23:22 -0400
committerDavid S. Miller <davem@davemloft.net>2007-10-26 07:23:22 -0400
commit43cc7380eced27ee9cafdf89fa32333dc3884e8b (patch)
tree31a051c83d664f0b602d45c3d6599028a0d59dbb /include/linux/netdevice.h
parent8ad7c62b752483982a678c78a52a70f498b84cbb (diff)
[NET] napi: use non-interruptible sleep in napi_disable
The current napi_disable() uses msleep_interruptible() but doesn't (and can't) exit in case there's a signal, thus ending up doing a hot spin without a cpu_relax. Use uninterruptible sleep instead. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 811024e311bd..9b0c8f12373e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -390,7 +390,7 @@ static inline void napi_complete(struct napi_struct *n)
390static inline void napi_disable(struct napi_struct *n) 390static inline void napi_disable(struct napi_struct *n)
391{ 391{
392 while (test_and_set_bit(NAPI_STATE_SCHED, &n->state)) 392 while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
393 msleep_interruptible(1); 393 msleep(1);
394} 394}
395 395
396/** 396/**