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[NET] napi: use non-interruptible sleep in napi_disable

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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>
This commit is contained in:
Benjamin Herrenschmidt 2007-10-26 04:23:22 -07:00 • committed by David S. Miller
parent 8ad7c62b75
commit 43cc7380ec
1 changed files with 1 additions and 1 deletions
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include/linux/netdevice.h
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@ -390,7 +390,7 @@ static inline void napi_complete(struct napi_struct *n)
static inline void napi_disable(struct napi_struct *n) static inline void napi_disable(struct napi_struct *n)
{ {
while (test_and_set_bit(NAPI_STATE_SCHED, &n->state)) while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
msleep_interruptible(1); msleep(1);
} }
/** /**