* perf_event_pmu_context.
*/
pmu = group_leader->pmu_ctx->pmu;
- } else if (!is_software_event(event) &&
- is_software_event(group_leader) &&
- (group_leader->group_caps & PERF_EV_CAP_SOFTWARE)) {
- /*
- * In case the group is a pure software group, and we
- * try to add a hardware event, move the whole group to
- * the hardware context.
- */
- move_group = 1;
+ } else if (!is_software_event(event)) {
+ if (is_software_event(group_leader) &&
+ (group_leader->group_caps & PERF_EV_CAP_SOFTWARE)) {
+ /*
+ * In case the group is a pure software group, and we
+ * try to add a hardware event, move the whole group to
+ * the hardware context.
+ */
+ move_group = 1;
+ }
+
+ /* Don't allow group of multiple hw events from different pmus */
+ if (!in_software_context(group_leader) &&
+ group_leader->pmu_ctx->pmu != pmu)
+ goto err_locked;
}
}