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Schedule only those netisr's that have registered handlers.

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This commit is contained in:
pooka 2014-02-25 22:40:53 +00:00
parent 55478e5598
commit 24b70d334d
1 changed files with 10 additions and 3 deletions
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13
sys/rump/librump/rumpnet/netisr.c
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@ -1,4 +1,4 @@
/* $NetBSD: netisr.c,v 1.7 2014/02/14 01:43:13 pooka Exp $ */
/* $NetBSD: netisr.c,v 1.8 2014/02/25 22:40:53 pooka Exp $ */
/*
* Copyright (c) 2008 Antti Kantee. All Rights Reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netisr.c,v 1.7 2014/02/14 01:43:13 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: netisr.c,v 1.8 2014/02/25 22:40:53 pooka Exp $");
#include <sys/param.h>
#include <sys/intr.h>
@ -42,7 +42,14 @@ void
schednetisr(int isr)
{
softint_schedule(netisrs[isr]);
/*
* Do not schedule a softint that is not registered.
* This might cause the inq to fill, but the one calling us
* should start dropping packets once the inq is full,
* so no big harm done.
*/
if (__predict_true(netisrs[isr]))
softint_schedule(netisrs[isr]);
}
void