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move recursion-detection code inside interrupt-protected region. PR 24254.

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This commit is contained in:
chs 2005-02-13 02:03:54 +00:00
parent cad419c94d
commit 4d33e8a954
1 changed files with 10 additions and 9 deletions
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19
sys/arch/powerpc/oea/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.27 2005/01/16 23:52:12 chs Exp $ */
/* $NetBSD: pmap.c,v 1.28 2005/02/13 02:03:54 chs Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.27 2005/01/16 23:52:12 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.28 2005/02/13 02:03:54 chs Exp $");
#include "opt_ppcarch.h"
#include "opt_altivec.h"
@ -1544,13 +1544,6 @@ pmap_pvo_enter(pmap_t pm, struct pool *pl, struct pvo_head *pvo_head,
int i;
int poolflags = PR_NOWAIT;
#if defined(DIAGNOSTIC) || defined(DEBUG) || defined(PMAPCHECK)
if (pmap_pvo_remove_depth > 0)
panic("pmap_pvo_enter: called while pmap_pvo_remove active!");
if (++pmap_pvo_enter_depth > 1)
panic("pmap_pvo_enter: called recursively!");
#endif
/*
* Compute the PTE Group index.
*/
@ -1558,6 +1551,14 @@ pmap_pvo_enter(pmap_t pm, struct pool *pl, struct pvo_head *pvo_head,
ptegidx = va_to_pteg(pm, va);
msr = pmap_interrupts_off();
#if defined(DIAGNOSTIC) || defined(DEBUG) || defined(PMAPCHECK)
if (pmap_pvo_remove_depth > 0)
panic("pmap_pvo_enter: called while pmap_pvo_remove active!");
if (++pmap_pvo_enter_depth > 1)
panic("pmap_pvo_enter: called recursively!");
#endif
/*
* Remove any existing mapping for this page. Reuse the
* pvo entry if there a mapping.