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| author | Ingo Molnar <mingo@kernel.org> | 2023-01-31 15:01:20 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-31 15:01:20 +0100 |
| commit | 57a30218fa25c469ed507964bbf028b7a064309a (patch) | |
| tree | 231c7ab6b08f567077b96ed760aaf4c685c899f3 /drivers/perf | |
| parent | KVM: selftests: Fix build of rseq test (diff) | |
| parent | Linux 6.2-rc6 (diff) | |
| download | linux-57a30218fa25c469ed507964bbf028b7a064309a.tar.xz linux-57a30218fa25c469ed507964bbf028b7a064309a.zip | |
Merge tag 'v6.2-rc6' into sched/core, to pick up fixes
Pick up fixes before merging another batch of cpuidle updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/perf')
| -rw-r--r-- | drivers/perf/arm-cmn.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index b80a9b74662b..1deb61b22bc7 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -1576,7 +1576,6 @@ static int arm_cmn_event_init(struct perf_event *event) hw->dn++; continue; } - hw->dtcs_used |= arm_cmn_node_to_xp(cmn, dn)->dtc; hw->num_dns++; if (bynodeid) break; @@ -1589,6 +1588,12 @@ static int arm_cmn_event_init(struct perf_event *event) nodeid, nid.x, nid.y, nid.port, nid.dev, type); return -EINVAL; } + /* + * Keep assuming non-cycles events count in all DTC domains; turns out + * it's hard to make a worthwhile optimisation around this, short of + * going all-in with domain-local counter allocation as well. + */ + hw->dtcs_used = (1U << cmn->num_dtcs) - 1; return arm_cmn_validate_group(cmn, event); } |