]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
cpuset: hold callback_mutex in cpuset_post_clone()
authorLi Zefan <lizf@cn.fujitsu.com>
Wed, 23 Mar 2011 23:42:48 +0000 (16:42 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 24 Mar 2011 02:46:35 +0000 (19:46 -0700)
commit523fb486bfd94e3a3b16a42bcb21b1959cf14df8
tree34c1b15a9bc55ef7a3bafb87cce3d3d184d78906
parentee24d3797780eee6ffe581a7b78d27896f9b494a
cpuset: hold callback_mutex in cpuset_post_clone()

Chaning cpuset->mems/cpuset->cpus should be protected under
callback_mutex.

cpuset_clone() doesn't follow this rule. It's ok because it's
called when creating and initializing a cgroup, but we'd better
hold the lock to avoid subtil break in the future.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/cpuset.c