[Intel-gfx] [PATCH v8 09/13] drm/i915: add a new perf configuration execbuf parameter

[Chris Wilson]

Quoting Lionel Landwerlin (2019-07-09 13:53:38)
> On 09/07/2019 15:33, Lionel Landwerlin wrote:
> >   
> > +static int eb_oa_config(struct i915_execbuffer *eb)
> > +{
> > +     int ret;
> > +
> > +     if (!eb->oa_config)
> > +             return 0;
> > +
> > +     ret = i915_mutex_lock_interruptible(&eb->i915->drm);
> > +     if (ret)
> > +             return ret;
> 
> This is assuming the lock is dropped from the calling function.
> 
> It's not at the moment, but I expect you'll be doing that soon?

Hence why I'm checking everything that has an implicit struct_mutex :)
-Chris