On Wed, 10 Oct 2018 at 19:55, Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> wrote: > > If 2 processes race to open the perf stream, it's possible that one of them > will see that OA buffer has already been allocated, while a previous process > is still finishing to reprogram the hardware (on gen8+). > > The opening sequence has been reworked a few times and we probably lost > track of the order in which things are supposed to happen. > > Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> Accidental resend, or did the locking actually change recently? _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx