Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix locking problem.

Browse Source
This commit is contained in:
eeh 2001-09-15 07:12:22 +00:00
parent a7283de29c
commit 984030b0ca
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/arch/sparc64/sparc64/pmap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.108 2001/09/10 21:19:26 chris Exp $ */ /* $NetBSD: pmap.c,v 1.109 2001/09/15 07:12:22 eeh Exp $ */
#undef NO_VCACHE /* Don't forget the locked TLB in dostart */ #undef NO_VCACHE /* Don't forget the locked TLB in dostart */
#define HWREF #define HWREF
/* /*
@ -3244,7 +3244,6 @@ pmap_page_protect(pg, prot)
firstpv = pv = pa_to_pvh(pa); firstpv = pv = pa_to_pvh(pa);
s = splvm(); s = splvm();
if (firstpv->pv_pmap) simple_lock(&firstpv->pv_pmap->pm_lock);
/* First remove the entire list of continuation pv's*/ /* First remove the entire list of continuation pv's*/
for (npv = pv->pv_next; npv; npv = pv->pv_next) { for (npv = pv->pv_next; npv; npv = pv->pv_next) {
@ -3313,6 +3312,7 @@ pmap_page_protect(pg, prot)
} }
#endif #endif
if (pv->pv_pmap != NULL) { if (pv->pv_pmap != NULL) {
simple_lock(&pv->pv_pmap->pm_lock);
#ifdef DEBUG #ifdef DEBUG
if (pmapdebug & (PDB_CHANGEPROT|PDB_REF|PDB_REMOVE)) { if (pmapdebug & (PDB_CHANGEPROT|PDB_REF|PDB_REMOVE)) {
printf("pmap_page_protect: demap va %p of pa %lx from pm %p...\n", printf("pmap_page_protect: demap va %p of pa %lx from pm %p...\n",