git: kernel: Add a final p_lock wait loop before kfree'ing the p
commit 49aa3df0ca3e226c0a0d7097863a2426ee6fd534
Author: YONETANI Tomokazu <y0netan1@dragonflybsd.org>
Date: Mon Jun 6 14:09:04 2011 +0900
kernel: Add a final p_lock wait loop before kfree'ing the process
Since p_lock can be acquired during the process removal, there
needs to be a final wait loop after the proc has been removed
from all queues, just before the kfree(p). It will be a very
rare case but it definitely can still occur if e.g. the SYSCTL_OUT
code blocks on a VM fault or something like that.
Requested-by: dillon@
Dragonfly-bug: <http://bugs.dragonflybsd.org/issue1996>
Summary of changes:
sys/kern/kern_exit.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/49aa3df0ca3e226c0a0d7097863a2426ee6fd534
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