diff options
author | Dale Rahn <drahn@cvs.openbsd.org> | 2019-07-13 21:16:18 +0000 |
---|---|---|
committer | Dale Rahn <drahn@cvs.openbsd.org> | 2019-07-13 21:16:18 +0000 |
commit | 88720c5025823f5ebf9225898cad500c4ad3f4d9 (patch) | |
tree | 48b7cadd0af06b8ddd059de4640697e1413725d0 /sys/arch/arm64 | |
parent | 824a6e435460fa40b33b0c86636eab3dd8ec5148 (diff) |
pmap_page_protect() should not unmap pages after making them readonly.
ok kettenis@ patrick@
Diffstat (limited to 'sys/arch/arm64')
-rw-r--r-- | sys/arch/arm64/arm64/pmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/arm64/arm64/pmap.c b/sys/arch/arm64/arm64/pmap.c index a3d41083ffd..db6fa21fdbf 100644 --- a/sys/arch/arm64/arm64/pmap.c +++ b/sys/arch/arm64/arm64/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.63 2019/06/01 11:45:01 kettenis Exp $ */ +/* $OpenBSD: pmap.c,v 1.64 2019/07/13 21:16:17 drahn Exp $ */ /* * Copyright (c) 2008-2009,2014-2016 Dale Rahn <drahn@dalerahn.com> * @@ -1497,6 +1497,7 @@ pmap_page_protect(struct vm_page *pg, vm_prot_t prot) pmap_page_ro(pted->pted_pmap, pted->pted_va, prot); } mtx_leave(&pg->mdpage.pv_mtx); + return; } mtx_enter(&pg->mdpage.pv_mtx); |