git: kernel - Handle pmap_protect() race in pmap code
commit f2c5d4ab43eb3300236045f944aa0021db095c53
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date: Wed Oct 26 14:46:52 2011 -0700
kernel - Handle pmap_protect() race in pmap code
* If we find an unexpectedly non-NULL pte_pv from a pv_find(), which only
holds the pv, we have to resolve a locked pte_pv to rectify the race.
Add debug code to catch and rectify the situation.
Summary of changes:
sys/platform/pc64/x86_64/pmap.c | 68 ++++++++++++++++++++++++++++++--------
1 files changed, 53 insertions(+), 15 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f2c5d4ab43eb3300236045f944aa0021db095c53
--
DragonFly BSD source repository