On Thu, Jun 09, 2016 at 04:06:59PM +0300, Joonas Lahtinen wrote: > On to, 2016-06-09 at 12:29 +0100, Chris Wilson wrote: > > There is an improbable, but not impossible, case that if we leave the > > pages unpin as we operate on the object, then somebody may steal the > > lock and change the cache domains after we have already inspected them. > > > > Which lock exactly?
The shrinker steals struct_mutex from underneath us. The guard is pinning pages around operating on the object. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
