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SubjectRe: [GIT PULL] timer fixes

* Linus Torvalds <torvalds@linux-foundation.org> wrote:

> I think the issue is that "current->sighand" is always safe (and that
> "me->sighand" is the same thing), and that sighand has RCU-delayed
> freeing so that __lock_task_sighand() can safely try to take the lock of
> another process' sighand.

Yeah - 'me' (== current) here can never go away from under the locking
context which is 'me' as well.

Thanks,

Ingo

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