Re: [PATCH 4/6] drm/i915/gt: Refactor _wa_add to reuse wa_index and wa_list_grow

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Quoting Tvrtko Ursulin (2020-11-13 10:40:07)
> 
> On 12/11/2020 19:44, Chris Wilson wrote:
> > Quoting Umesh Nerlige Ramappa (2020-10-10 01:21:03)
> > An inherited problem, but I'm a little unnerved by the apparent leak of
> > wa->list here.
> > 
> > Paging Tvrtko to see if he can remember if there's a hidden trick.
> 
> I don't see any tricks, just a memory leak for all lists with more than 
> 16 unique registers on the wa list. :(

As I read it, since each pair of perf open/close will cause us to
reallocate the lists, we need to address this leak first before it
becomes user controllable. Apologies for yet another delay.
-Chris
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