Re: sched: memory corruption on completing completions

[Ingo Molnar]

* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> [...]
> 
> As usual, the paravirt code is a horribly buggy heap of crud. 
> Film at 11.
> 
> Why did I think we had this bug but already fixed it ? Maybe 
> it's one of those things that Waiman fixed in his long delayed 
> qspinlock series? Waiman? Or maybe I just remember the fixes 
> where we changed from a mutex to a spinlock, which fixed a very 
> similar case for non-paravirtualized cases.

We definitely had such a high profile bug in the native case, 
years before the qspinlock series came along. I don't remember 
the specifics anymore, but maybe it was in the VFS code?

Thanks,

	Ingo
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