| Date | Mon, 16 Nov 2015 13:52:21 -0500 | From | Tejun Heo <> | Subject | Re: [PATCH 1/8] stop_machine: cpu_stopper_thread() must check done != NULL |
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On Sun, Nov 15, 2015 at 08:33:11PM +0100, Oleg Nesterov wrote: > stop_one_cpu_nowait(fn) will crash the kernel if the callback returns > nonzero, work->done == NULL in this case. > > This needs more cleanups, cpu_stop_signal_done() is called right after > we check done != NULL and it does the same check. > > Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
cc stable?
Thanks.
-- tejun
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