Date: Tue, 23 Aug 2016 16:20:56 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r304688 - head/sys/arm64/arm64 Message-ID: <201608231620.u7NGKu0I055167@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: andrew Date: Tue Aug 23 16:20:56 2016 New Revision: 304688 URL: https://svnweb.freebsd.org/changeset/base/304688 Log: Map memory as read-only in pmap_enter_quick_locked as is done in other pmap implementations. Obtained from: ABT Systems Ltd MFC after: 1 month Sponsored by: The FreeBSD Foundation Modified: head/sys/arm64/arm64/pmap.c Modified: head/sys/arm64/arm64/pmap.c ============================================================================== --- head/sys/arm64/arm64/pmap.c Tue Aug 23 16:12:25 2016 (r304687) +++ head/sys/arm64/arm64/pmap.c Tue Aug 23 16:20:56 2016 (r304688) @@ -2794,7 +2794,7 @@ pmap_enter_quick_locked(pmap_t pmap, vm_ pmap_resident_count_inc(pmap, 1); pa = VM_PAGE_TO_PHYS(m) | ATTR_DEFAULT | ATTR_IDX(m->md.pv_memattr) | - ATTR_AP(ATTR_AP_RW) | L3_PAGE; + ATTR_AP(ATTR_AP_RO) | L3_PAGE; /* * Now validate mapping with RO protection
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201608231620.u7NGKu0I055167>