| Message ID | 1542363853-13849-4-git-send-email-andrew.murray@arm.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | perf/core: Generalise event exclusion checking | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
| snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 8 lines checked |
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index a4fb0f8..c4c9fbb 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -1074,6 +1074,8 @@ static int armv7pmu_set_event_filter(struct hw_perf_event *event, if (attr->exclude_idle) return -EPERM; + if (attr->exclude_host || attr->exclude_guest) + return -EPERM; if (attr->exclude_user) config_base |= ARMV7_EXCLUDE_USER; if (attr->exclude_kernel)
The armv7pmu driver doesn't support host/guest mode exclusion so let's report this when set_event_filter is called with these exclusion flags set. Signed-off-by: Andrew Murray <andrew.murray@arm.com> --- arch/arm/kernel/perf_event_v7.c | 2 ++ 1 file changed, 2 insertions(+)