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(parent: 7b80b8d) | patch
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)
commitb2faa4da5e697d943efa5b8126f736df6f913496
tree5252f039579834c7d54000563c09b09f8fb8ca85tree | snapshot
parent7b80b8d77f13e7d8a88179a208b839b31a9f667dcommit | diff
cpuset: fix a race condition in __cpuset_node_allowed_softwall()

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 diff | blob | history
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