Re: [GIT PATCH] TTY patches for 2.6.33-git

From: Thomas Gleixner
Date: Sat Dec 12 2009 - 20:48:34 EST


On Sat, 12 Dec 2009, Linus Torvalds wrote:
> On Sat, 12 Dec 2009, Thomas Gleixner wrote:
> >
> > Just patched the following in and it catched your problem nicely. With
> > your AB/BA fix patch applied everything is fine.
>
> Actually, the patch I just suggested might be better. Admittedly the
> CONFIG_PREEMPT case is the more important one (and the one that will catch
> more cases), but even without preemptyion the might_sleep() in
> _lock_kernel() (one underscore) would trigger on the case of somebody
> doing lock_kernel with local interrupts disabled.

Fair enough.

tglx
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