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fix a LOCKDEBUG problem from the previous: need to call pmap_kremove()

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on a pre-existing mapping, before installing a new one.
This commit is contained in:
mrg 2009-05-18 02:28:35 +00:00
parent 68ce5ccced
commit 281af2fcaa
1 changed files with 3 additions and 2 deletions
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5
sys/arch/sparc/sparc/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.327 2009/05/18 01:36:11 mrg Exp $ */
/* $NetBSD: pmap.c,v 1.328 2009/05/18 02:28:35 mrg Exp $ */
/*
* Copyright (c) 1996
@ -56,7 +56,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.327 2009/05/18 01:36:11 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.328 2009/05/18 02:28:35 mrg Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -3807,6 +3807,7 @@ pmap_bootstrap4m(void *top)
va += NBPG, off += NBPG) {
paddr_t pa = PMAP_BOOTSTRAP_VA2PA(CPUINFO_VA + off);
prom_printf("going to pmap_kenter_pa(va=%p, pa=%p)\n", va, pa);
pmap_kremove(va, NBPG);
pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE);
}