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Minor correction to previous.

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This commit is contained in:
ad 2007-12-09 15:31:03 +00:00
parent dd24075295
commit 56c1b0074f
1 changed files with 6 additions and 6 deletions
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12
sys/arch/x86/x86/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.11 2007/12/09 15:29:53 ad Exp $ */
/* $NetBSD: pmap.c,v 1.12 2007/12/09 15:31:03 ad Exp $ */
/*
* Copyright (c) 2007 Manuel Bouyer.
@ -154,7 +154,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.11 2007/12/09 15:29:53 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.12 2007/12/09 15:31:03 ad Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@ -4068,9 +4068,9 @@ pmap_tlb_shootdown(struct pmap *pm, vaddr_t sva, vaddr_t eva, pt_entry_t pte)
SPINLOCK_BACKOFF(count);
s = splvm();
}
} while (!atomic_cas_ulong(
} while (atomic_cas_ulong(
(volatile u_long *)&mb->mb_head,
head, head + ncpu - 1));
head, head + ncpu - 1) != head);
/*
* Once underway we must stay at IPL_VM until the
@ -4110,9 +4110,9 @@ pmap_tlb_shootdown(struct pmap *pm, vaddr_t sva, vaddr_t eva, pt_entry_t pte)
selfmb->mb_head++;
mb = &ci->ci_pmap_cpu->pc_mbox;
count = SPINLOCK_BACKOFF_MIN;
while (!atomic_cas_ulong(
while (atomic_cas_ulong(
(u_long *)&mb->mb_pointer,
0, (u_long)&selfmb->mb_tail)) {
0, (u_long)&selfmb->mb_tail) != 0) {
splx(s);
while (mb->mb_pointer != 0)
SPINLOCK_BACKOFF(count);