Re: Fw: 2.5.61 oops running SDET

[Linus Torvalds]

On Sun, 16 Feb 2003, Manfred Spraul wrote:
> 
> AFAICS both exec and exit rely on write_lock_irq(tasklist_lock) for 
> synchronization of changes to tsk->sig{,hand}.

Yeah, as I sent out in my last email this does seem to be true right now, 
but it's really not correct. It's disgusting that we use such a 
fundamental global lock to protect something so trivially local to the one 
process, where the local per-process lock really should be more than 
enough.

		Linus