[Intel-gfx] [PATCH] drm/i915: Fix unsafe loop iteration over vma whilst unbinding them

[Daniel Vetter]

On Fri, Mar 21, 2014 at 01:09:48PM +0200, Jani Nikula wrote:
> On Fri, 21 Mar 2014, Daniel Vetter <daniel at ffwll.ch> wrote:
> > On Fri, Mar 21, 2014 at 07:51:58AM +0000, Chris Wilson wrote:
> >> On Fri, Mar 21, 2014 at 07:40:56AM +0000, Chris Wilson wrote:
> >> > On non-LLC platforms, when changing the cache level of an object, we may
> >> > need to unbind it show that prefetching across page boundaries does not
> >> s/show/so/
> >> > cross into a different memory domain. This requires us to unbind
> >> > conflicting vma, but we did so was iterating over the objects vma in an
> >> s/was//
> >> > unsafe manner (as the list was being modified as we iterated).
> >> 
> >> Coffee will kick in in about 5 minutes.
> >
> > Fixed and applied, thanks for the patch.
> 
> Given the regression was introduced in v3.12 I thought this would've
> been fixes & cc: stable.

Oops, thanks for catching this. cc: stable added. My Linus weather forcast
tells me that -fixes is closed for 3.14 already, so dinq is good enough.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch