From 205295c7e1abba9c1db1f9fe075f22f71351887f Mon Sep 17 00:00:00 2001 From: Robin Murphy Date: Thu, 24 Feb 2022 18:41:21 +0000 Subject: perf/arm-cmn: Hide XP PUB events for CMN-600 CMN-600 doesn't have XP events for the PUB channel, but we missed the appropriate check to avoid exposing them. Fixes: 60d1504070c2 ("perf/arm-cmn: Support new IP features") Signed-off-by: Robin Murphy Link: https://lore.kernel.org/r/4c108d39a0513def63acccf09ab52b328f242aeb.1645727871.git.robin.murphy@arm.com Signed-off-by: Will Deacon --- drivers/perf/arm-cmn.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/perf/arm-cmn.c') diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index d0e1ce2c83ba..e924d458cd6d 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -595,6 +595,9 @@ static umode_t arm_cmn_event_attr_is_visible(struct kobject *kobj, if ((intf & 4) && !(cmn->ports_used & BIT(intf & 3))) return 0; + if (chan == 4 && cmn->model == CMN600) + return 0; + if ((chan == 5 && cmn->rsp_vc_num < 2) || (chan == 6 && cmn->dat_vc_num < 2)) return 0; -- cgit v1.2.3