Commit 43cc7380 authored Oct 26, 2007 by Benjamin Herrenschmidt Committed by David S. Miller Oct 26, 2007

[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>

parent 8ad7c62b

include/linux/netdevice.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -390,7 +390,7 @@ static inline void napi_complete(struct napi_struct *n)
		static inline void napi_disable(struct napi_struct *n)
		{
		while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
		msleep_interruptible(1);
		msleep(1);
		}

		/**