Aren/NetBSD
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kernel page attribute change should be reflected on all cpus, since

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the page is going to be released after the _dtor() hook is called.
This commit is contained in:
cherry 2012-02-24 08:44:44 +00:00
parent 0549360f1d
commit 673606616b
1 changed files with 3 additions and 3 deletions
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6
sys/arch/x86/x86/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.172 2012/02/24 08:17:20 cherry Exp $ */
/* $NetBSD: pmap.c,v 1.173 2012/02/24 08:44:44 cherry Exp $ */
/*-
* Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
@ -171,7 +171,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.172 2012/02/24 08:17:20 cherry Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.173 2012/02/24 08:44:44 cherry Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@ -2172,7 +2172,7 @@ pmap_pdp_dtor(void *arg, void *v)
/* Set page RW again */
pte = kvtopte(object);
xpq_queue_pte_update(xpmap_ptetomach(pte), *pte | PG_RW);
xpq_queue_invlpg((vaddr_t)object);
xen_bcast_invlpg((vaddr_t)object);
}
splx(s);
#endif /* XEN */