sparc64: Support RAW perf events. (b343ae51) · Commits · e / devices / android_kernel_oneplus_sm7250

arch/sparc/kernel/perf_event.c

+11 −3

Original line number	Diff line number	Diff line
		@@ -1038,6 +1038,7 @@ static int __hw_perf_event_init(struct perf_event *event)
		if (atomic_read(&nmi_active) < 0)
		return -ENODEV;

		pmap = NULL;
		if (attr->type == PERF_TYPE_HARDWARE) {
		if (attr->config >= sparc_pmu->max_events)
		return -EINVAL;
		@@ -1046,9 +1047,18 @@ static int __hw_perf_event_init(struct perf_event *event)
		pmap = sparc_map_cache_event(attr->config);
		if (IS_ERR(pmap))
		return PTR_ERR(pmap);
		} else
		} else if (attr->type != PERF_TYPE_RAW)
		return -EOPNOTSUPP;

		if (pmap) {
		hwc->event_base = perf_event_encode(pmap);
		} else {
		/* User gives us "(encoding << 16) \| pic_mask" for
		* PERF_TYPE_RAW events.
		*/
		hwc->event_base = attr->config;
		}

		/* We save the enable bits in the config_base. */
		hwc->config_base = sparc_pmu->irq_bit;
		if (!attr->exclude_user)
		@@ -1058,8 +1068,6 @@ static int __hw_perf_event_init(struct perf_event *event)
		if (!attr->exclude_hv)
		hwc->config_base \|= sparc_pmu->hv_bit;

		hwc->event_base = perf_event_encode(pmap);

		n = 0;
		if (event->group_leader != event) {
		n = collect_events(event->group_leader,