On to, 2017-03-30 at 12:19 +0100, Chris Wilson wrote: > On Thu, Mar 30, 2017 at 12:16:14PM +0100, Chris Wilson wrote: > > > > Michał Winiarski pointed out that the debugging infrastructure (such as > > trace_dma_fence_release) likes to pretty print the timeline name, long > > after we have freed the timeline. Our timelines currently live as part of > > the GTT (due to the strict ordering we current use through each) which > s/current/currently/ > > > > > belong to the context. We aim to free the context and release its > > hardware resources as soon as we able to (i.e. when the last > > fence/request using it has been signaled and retired). As the > > .get_timeline_name is purely a debug feature, rather than extending the > > lifetime of the context, or splitting it into many different release > > phases just to keep the name along, replace the timeline name with a > s/along/around/ > > > > > constant after the fence has been signaled. This avoids the potential > > use-after-free. Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation