On Sat, Jan 18, 2020 at 07:05:29PM +0100, Ingo Molnar wrote: > > * Vince Weaver <vincent.weaver@xxxxxxxxx> wrote: > > > On Mon, 6 Jan 2020, Vince Weaver wrote: > > > > > On Mon, 6 Jan 2020, Mark Rutland wrote: > > > > > > > On Thu, Jan 02, 2020 at 02:22:47PM -0500, Vince Weaver wrote: > > > > > On Thu, 2 Jan 2020, Vince Weaver wrote: > > > > > > > > > Vince, does the below (untested) patch work for you? > > > > > > > > > yes, this patch fixes things for me. > > > > > > Tested-by: Vince Weaver <vincent.weaver@xxxxxxxxx> > > > > > > > is this patch going to make it upstream? It's a fairly major correctness > > bug with perf_event_open(). > > I just sent it to Linus. > > In hindsight this should have been marked Cc: stable for v5.4 - we should > forward it to Greg once Linus has pulled it: > > da9ec3d3dd0f: ("perf: Correctly handle failed perf_get_aux_event()") > > > Note that in the v5.4 cherry-pick there's a conflict due to interaction > with another recent commit - I've attached the ported fix against v5.4, > but have only test built it. Thanks for the backport, now queued up. greg k-h