Quoting Rodrigo Vivi (2019-02-26 19:53:47)
> On Wed, Feb 06, 2019 at 01:03:12PM +, Chris Wilson wrote:
> > Previously, we were able to rely on the recursive properties of
> > struct_mutex to allow us to serialise revoking mmaps and reacquiring the
> > FENCE registers with them being clobbered o
On Wed, Feb 06, 2019 at 01:03:12PM +, Chris Wilson wrote:
> Previously, we were able to rely on the recursive properties of
> struct_mutex to allow us to serialise revoking mmaps and reacquiring the
> FENCE registers with them being clobbered over a global device reset.
> I then proceeded to th
Quoting Chris Wilson (2019-02-06 16:08:23)
> Quoting Mika Kuoppala (2019-02-06 15:56:28)
> > Chris Wilson writes:
> > > @@ -5358,6 +5326,8 @@ void i915_gem_cleanup_early(struct drm_i915_private
> > > *dev_priv)
> > > GEM_BUG_ON(atomic_read(&dev_priv->mm.free_count));
> > > WARN_ON(dev
Quoting Mika Kuoppala (2019-02-06 15:56:28)
> Chris Wilson writes:
> > @@ -5358,6 +5326,8 @@ void i915_gem_cleanup_early(struct drm_i915_private
> > *dev_priv)
> > GEM_BUG_ON(atomic_read(&dev_priv->mm.free_count));
> > WARN_ON(dev_priv->mm.object_count);
> >
>
> synchronize_rcu and s
Chris Wilson writes:
> Previously, we were able to rely on the recursive properties of
> struct_mutex to allow us to serialise revoking mmaps and reacquiring the
> FENCE registers with them being clobbered over a global device reset.
> I then proceeded to throw out the baby with the bath water in
Previously, we were able to rely on the recursive properties of
struct_mutex to allow us to serialise revoking mmaps and reacquiring the
FENCE registers with them being clobbered over a global device reset.
I then proceeded to throw out the baby with the bath water in order to
pursue a struct_mutex
