Re: [ 61/61] drm/nouveau: add lockdep annotations

From: Marcin Slusarz
Date: Wed Feb 13 2013 - 12:46:24 EST


On Wed, Feb 13, 2013 at 07:43:41PM +1000, Ben Skeggs wrote:
> On Wed, 2013-02-13 at 10:33 +0100, Arend van Spriel wrote:
> > On 02/13/2013 04:35 AM, Peter Hurley wrote:
> > > On Tue, 2013-02-12 at 12:35 -0800, Greg Kroah-Hartman wrote:
> > >> 3.7-stable review patch. If anyone has any objections, please let me know.
> > >
> > > FWIW, I never saw this on 3.7 but it happened 1st time on 3.8-rcX
> > > I haven't tested this fix either.
> >
> > Dito.
> >
> > Gr. AvS
> Yeah, I don't believe anything could trigger it in 3.7. It doesn't hurt
> anyway.

Client locking splat is definitely triggerable on 3.7:
https://lkml.org/lkml/2012/10/16/251

Subdev locking splat is triggerable since 3.7 has "drm/nouveau: add locking
around instobj list operations" and "drm/nvc0/fb: fix crash when different
mutex is used to protect same list" (both applied for 3.7.3).

Marcin
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