Re: [GIT PULL] timer fixes

[Ingo Molnar]

* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> 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