Messages in this thread | | | Date | Wed, 03 Dec 2008 22:13:23 -0800 (PST) | Subject | Re: [PATCH] percpu_counter: fix CPU unplug race in percpu_counter_destroy() | From | David Miller <> |
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From: Eric Dumazet <dada1@cosmosbay.com> Date: Wed, 03 Dec 2008 19:40:07 +0100
> While working on percpu_counter on net-next-2.6, I found > a CPU unplug race in percpu_counter_destroy() > > (Very unlikely of course) > > Thank you > > [PATCH] percpu_counter: fix CPU unplug race in percpu_counter_destroy() > > We should first delete the counter from percpu_counters list > before freeing memory, or a percpu_counter_hotcpu_callback() > could dereference a NULL pointer. > > Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: David S. Miller <davem@davemloft.net>
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