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authorRobin Murphy <robin.murphy@arm.com>2022-02-24 21:41:21 +0300
committerWill Deacon <will@kernel.org>2022-03-08 14:02:26 +0300
commit205295c7e1abba9c1db1f9fe075f22f71351887f (patch)
tree150dff9e9f91807754493718a0a4286ad3156140 /drivers/perf
parent95ed57c73bbcffa02cbb1d61c19484c2ec6de094 (diff)
downloadlinux-205295c7e1abba9c1db1f9fe075f22f71351887f.tar.xz
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 <robin.murphy@arm.com> Link: https://lore.kernel.org/r/4c108d39a0513def63acccf09ab52b328f242aeb.1645727871.git.robin.murphy@arm.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/arm-cmn.c3
1 files changed, 3 insertions, 0 deletions
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;