[Intel-gfx] [PATCH 01/19] drm/i915: Move __i915_gem_free_object to ttm_bo_destroy

[Maarten Lankhorst]

Op 16-09-2021 om 11:43 schreef Thomas Hellström (Intel):
>
> On 8/30/21 2:09 PM, Maarten Lankhorst wrote:
>> When we implement delayed destroy, we may have a second
>> call to the delete_mem_notify() handler, while free_object()
>> only should be called once.
>>
>> Move it to bo->destroy(), to ensure it's only called once.
>> This fixes some weird memory corruption issues with delayed
>> destroy when async eviction is used.
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>
> Reviewed-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
>
> I wonder whether you could push this early with a Fixes: tag, perhaps. I actually managed to hit this once without any vma- or async modifications, but a bit curious how.
>
> Thanks,
>
> Thomas
>
I think I triggered that as well once when testing the series with no patch applied yet as base, but I wasn't sure a the time. Since that's 2 suspicious cases, I will push this now with a fixes tag.

Thanks & pushed,

Maarten