Module Name: src
Committed By: mrg
Date: Sat Jan 22 12:13:26 UTC 2011
Modified Files:
src/sys/arch/sparc/sparc: cpu.c
Log Message:
convert xpmsg_lock to IPL_SCHED. the old spl/simple_lock code ran at
splsched(), and this significantly helps with stability under load
when running with multiple active CPUs.
To generate a diff of this commit:
cvs rdiff -u -r1.224 -r1.225 src/sys/arch/sparc/sparc/cpu.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/arch/sparc/sparc/cpu.c
diff -u src/sys/arch/sparc/sparc/cpu.c:1.224 src/sys/arch/sparc/sparc/cpu.c:1.225
--- src/sys/arch/sparc/sparc/cpu.c:1.224 Thu Jan 13 05:20:27 2011
+++ src/sys/arch/sparc/sparc/cpu.c Sat Jan 22 12:13:25 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.224 2011/01/13 05:20:27 mrg Exp $ */
+/* $NetBSD: cpu.c,v 1.225 2011/01/22 12:13:25 mrg Exp $ */
/*
* Copyright (c) 1996
@@ -52,7 +52,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.224 2011/01/13 05:20:27 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.225 2011/01/22 12:13:25 mrg Exp $");
#include "opt_multiprocessor.h"
#include "opt_lockdebug.h"
@@ -521,7 +521,7 @@
cpu_init_system(void)
{
- mutex_init(&xpmsg_mutex, MUTEX_SPIN, IPL_VM);
+ mutex_init(&xpmsg_mutex, MUTEX_SPIN, IPL_SCHED);
}
/*
