[src/trunk]: src/sys/arch/i386/i386 pmap_enter: fix an uninitialized variable...

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3a6cf0de2efd
branches:  trunk
changeset: 583562:3a6cf0de2efd
user:      yamt <yamt%NetBSD.org@localhost>
date:      Fri Aug 12 10:04:24 2005 +0000

description:
pmap_enter: fix an uninitialized variable bug which can cause
"TLB IPI rendezvous failed".

diffstat:

 sys/arch/i386/i386/pmap.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (32 lines):

diff -r 9e2b3fcf02e4 -r 3a6cf0de2efd sys/arch/i386/i386/pmap.c
--- a/sys/arch/i386/i386/pmap.c Fri Aug 12 10:02:31 2005 +0000
+++ b/sys/arch/i386/i386/pmap.c Fri Aug 12 10:04:24 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.183 2005/05/29 15:58:33 chs Exp $   */
+/*     $NetBSD: pmap.c,v 1.184 2005/08/12 10:04:24 yamt Exp $  */
 
 /*
  *
@@ -60,7 +60,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.183 2005/05/29 15:58:33 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.184 2005/08/12 10:04:24 yamt Exp $");
 
 #include "opt_cputype.h"
 #include "opt_user_ldt.h"
@@ -3421,10 +3421,12 @@
        /* Update page attributes if needed */
        if ((opte & (PG_V | PG_U)) == (PG_V | PG_U)) {
 #if defined(MULTIPROCESSOR)
-               int32_t cpumask = 0;
+               int32_t cpumask;
 #endif
 shootdown_now:
 #if defined(MULTIPROCESSOR)
+               cpumask = 0;
+
                pmap_tlb_shootdown(pmap, va, opte, &cpumask);
                pmap_tlb_shootnow(cpumask);
 #else