Module Name: src
Committed By: pooka
Date: Tue Feb 25 22:40:53 UTC 2014
Modified Files:
src/sys/rump/librump/rumpnet: netisr.c
Log Message:
Schedule only those netisr's that have registered handlers.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/rump/librump/rumpnet/netisr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/rump/librump/rumpnet/netisr.c
diff -u src/sys/rump/librump/rumpnet/netisr.c:1.7 src/sys/rump/librump/rumpnet/netisr.c:1.8
--- src/sys/rump/librump/rumpnet/netisr.c:1.7 Fri Feb 14 01:43:13 2014
+++ src/sys/rump/librump/rumpnet/netisr.c Tue Feb 25 22:40:53 2014
@@ -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
