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authorThomas Zimmermann <tzimmermann@suse.de>2023-01-31 14:18:33 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2023-01-31 14:18:33 +0100
commitdf5bf3b942a8d344bd9cbbe6ac31c9a2ea1557a4 (patch)
treebfbcbe56b9f4f8b1e44242b80800a68b2ae5b2d6 /drivers/perf/arm-cmn.c
parentdrivers: Restore alignment and newline in Makefile (diff)
parentMerge v6.2-rc6 into drm-next (diff)
downloadwireguard-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.c7
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);
}