Re: [PATCH v6 0/6] Add HiSilicon SoC uncore Performance Monitoring Unit driver
From: Mark Rutland
Date: Thu Oct 19 2017 - 11:32:25 EST
On Thu, Oct 19, 2017 at 04:28:35PM +0100, Will Deacon wrote:
> On Thu, Oct 19, 2017 at 01:29:18PM +0100, Mark Rutland wrote:
> > Will, are you happy to queue this?
> >
> > There's a minor fixup [1] needed in patch 2, but otherwise this looks
> > good to me, and builds cleanly.
> >
> > I've pushed out a branch [2] with that fix folded in, in case that's
> > easier for you. Otherwise, feel free to pick these up with my Ack.
>
> I'm just running some build tests on these. I also tweaked your fix slightly
> -- can you check the diff below please?
That's nicer!
My ack stands with that folded in.
Mark.
> diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
> index 2bff43f0736b..c74542af4acf 100644
> --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
> +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
> @@ -69,15 +69,18 @@ static bool hisi_validate_event_group(struct perf_event *event)
> /* Include count for the event */
> int counters = 1;
>
> - /*
> - * We must NOT create groups containing mixed PMUs, although
> - * software events are acceptable
> - */
> - if (leader->pmu != event->pmu && !is_software_event(leader))
> - return false;
> + if (!is_software_event(leader)) {
> + /*
> + * We must NOT create groups containing mixed PMUs, although
> + * software events are acceptable
> + */
> + if (leader->pmu != event->pmu)
> + return false;
>
> - /* Increment counter for the leader */
> - counters++;
> + /* Increment counter for the leader */
> + if (leader != event)
> + counters++;
> + }
>
> list_for_each_entry(sibling, &event->group_leader->sibling_list,
> group_entry) {