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ipintr(): check if the queue is empty before looping. Hardly a giant 

win, but removed 30% of splnet() calls in one local test.
This commit is contained in:
ad 2006-12-22 05:34:02 +00:00
parent 5e86516f78
commit dd85fd121f
1 changed files with 3 additions and 3 deletions
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6
sys/netinet/ip_input.c
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@ -1,4 +1,4 @@
/* $NetBSD: ip_input.c,v 1.240 2006/12/15 21:18:53 joerg Exp $ */
/* $NetBSD: ip_input.c,v 1.241 2006/12/22 05:34:02 ad Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -98,7 +98,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.240 2006/12/15 21:18:53 joerg Exp $");
__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.241 2006/12/22 05:34:02 ad Exp $");
#include "opt_inet.h"
#include "opt_gateway.h"
@ -461,7 +461,7 @@ ipintr(void)
int s;
struct mbuf *m;
while (1) {
while (!IF_IS_EMPTY(&ipintrq)) {
s = splnet();
IF_DEQUEUE(&ipintrq, m);
splx(s);