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cpuset: fix a race condition in __cpuset_node_allowed_softwall()
authorLi Zefan <lizefan@huawei.com>
Thu, 27 Feb 2014 10:19:36 +0000 (18:19 +0800)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 1 Apr 2014 23:58:56 +0000 (00:58 +0100)
commit 99afb0fd5f05aac467ffa85c36778fec4396209b upstream.

It's not safe to access task's cpuset after releasing task_lock().
Holding callback_mutex won't help.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
kernel/cpuset.c patch | blob | history

diff --cc kernel/cpuset.c
Simple merge
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