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authorLi Zefan <lizf@cn.fujitsu.com>2009-04-02 16:57:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 19:04:56 -0700
commit0b4217b3fdddc4a58939720d3ed809537577d48b (patch)
tree9bda180eb4e9fed454453b4aeaf9447602c74022 /include
parent83aae4c737866da3280f51fd15da58eddd788397 (diff)
cpuset: fix possible races in cpu/memory hotplug
Change to cpuset->cpus_allowed and cpuset->mems_allowed should be protected by callback_mutex, otherwise the reader may read wrong cpus/mems. This is cpuset's lock rule. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
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