diff options
| author | Robin Murphy <robin.murphy@arm.com> | 2022-02-24 19:41:21 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2022-03-08 12:02:26 +0100 |
| commit | 205295c7e1abba9c1db1f9fe075f22f71351887f (patch) | |
| tree | 150dff9e9f91807754493718a0a4286ad3156140 /drivers/perf | |
| parent | perf: replace bitmap_weight with bitmap_empty where appropriate (diff) | |
| download | linux-205295c7e1abba9c1db1f9fe075f22f71351887f.tar.xz linux-205295c7e1abba9c1db1f9fe075f22f71351887f.zip | |
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.c | 3 |
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; |