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author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-01-31 14:18:33 +0100 |
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committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-01-31 14:18:33 +0100 |
commit | df5bf3b942a8d344bd9cbbe6ac31c9a2ea1557a4 (patch) | |
tree | bfbcbe56b9f4f8b1e44242b80800a68b2ae5b2d6 /drivers/perf/arm-cmn.c | |
parent | drivers: Restore alignment and newline in Makefile (diff) | |
parent | Merge v6.2-rc6 into drm-next (diff) | |
download | wireguard-linux-df5bf3b942a8d344bd9cbbe6ac31c9a2ea1557a4.tar.xz wireguard-linux-df5bf3b942a8d344bd9cbbe6ac31c9a2ea1557a4.zip |
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.2-rc6.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/perf/arm-cmn.c')
-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); } |