Messages in this thread |  | | | From | Roland McGrath <> | | Subject | Re: [PATCH 2.6.27-rc5] Fix itimer/many thread hang. | | Date | Tue, 9 Sep 2008 21:04:04 -0700 (PDT) |
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> As for this particular function, it seems to me that ->signal == NULL > is not possible, no?
The concern is to make sure that the timer tick path is always safe for a tick that hits during release_task(current) in exit_notify(). A timer tick there can come with current->signal == NULL. We just need to make sure one way or another that this is safe.
Thanks, Roland
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