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[src/trunk]: src/sys/arch/sparc/sparc Minor nit: avoid kpreempt_disable() if ...



details:   https://anonhg.NetBSD.org/src/rev/4b5a807be9de
branches:  trunk
changeset: 769136:4b5a807be9de
user:      martin <martin%NetBSD.org@localhost>
date:      Thu Sep 01 08:43:24 2011 +0000

description:
Minor nit: avoid kpreempt_disable() if cold (as we return early and do
not reenable it; actually makes no difference but looks more balanced
this way)

diffstat:

 sys/arch/sparc/sparc/timer_sun4m.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (29 lines):

diff -r 83dfe07bfaed -r 4b5a807be9de sys/arch/sparc/sparc/timer_sun4m.c
--- a/sys/arch/sparc/sparc/timer_sun4m.c        Thu Sep 01 07:18:50 2011 +0000
+++ b/sys/arch/sparc/sparc/timer_sun4m.c        Thu Sep 01 08:43:24 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: timer_sun4m.c,v 1.27 2011/07/17 23:18:23 mrg Exp $     */
+/*     $NetBSD: timer_sun4m.c,v 1.28 2011/09/01 08:43:24 martin Exp $  */
 
 /*
  * Copyright (c) 1992, 1993
@@ -58,7 +58,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: timer_sun4m.c,v 1.27 2011/07/17 23:18:23 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: timer_sun4m.c,v 1.28 2011/09/01 08:43:24 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -140,9 +140,9 @@
         * For MP, we defer calling hardclock() to the schedintr so
         * that we call it on all cpus.
         */
-       kpreempt_disable();
        if (cold)
                return 0;
+       kpreempt_disable();
        /* read the limit register to clear the interrupt */
        *((volatile int *)&timerreg4m->t_limit);
        tickle_tc();



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