1 files changed, 63 insertions, 0 deletions
diff --git a/pmu_attr_visible.patch b/pmu_attr_visible.patch
new file mode 100644
index 00000000000000..f5af16a1b22c59
--- /dev/null
+++ b/pmu_attr_visible.patch
@@ -0,0 +1,63 @@
+---
+ kernel/events/core.c |   40 ++++++++++++++++++++++++++++------------
+ 1 file changed, 28 insertions(+), 12 deletions(-)
+
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -11351,9 +11351,32 @@ static DEVICE_ATTR_RW(perf_event_mux_int
+ static struct attribute *pmu_dev_attrs[] = {
+ 	&dev_attr_type.attr,
+ 	&dev_attr_perf_event_mux_interval_ms.attr,
++	&dev_attr_nr_addr_filters.attr,
++	NULL,
++};
++
++static umode_t pmu_dev_is_visible(struct kobject *kobj, struct attribute *a, int n)
++{
++	struct device *dev = kobj_to_dev(kobj);
++	struct pmu *pmu = dev_get_drvdata(dev);
++
++	if (!pmu->nr_addr_filters)
++		return 0;
++
++	return a->mode;
++
++	return 0;
++}
++
++static struct attribute_group pmu_dev_attr_group = {
++	.is_visible = pmu_dev_is_visible,
++	.attrs = pmu_dev_attrs,
++};
++
++const static struct attribute_group *pmu_dev_groups[] = {
++	&pmu_dev_attr_group,
+ 	NULL,
+ };
+-ATTRIBUTE_GROUPS(pmu_dev);
+ 
+ static int pmu_bus_running;
+ static struct bus_type pmu_bus = {
+@@ -11389,18 +11412,11 @@ static int pmu_dev_alloc(struct pmu *pmu
+ 	if (ret)
+ 		goto free_dev;
+ 
+-	/* For PMUs with address filters, throw in an extra attribute: */
+-	if (pmu->nr_addr_filters)
+-		ret = device_create_file(pmu->dev, &dev_attr_nr_addr_filters);
+-
+-	if (ret)
+-		goto del_dev;
+-
+-	if (pmu->attr_update)
++	if (pmu->attr_update) {
+ 		ret = sysfs_update_groups(&pmu->dev->kobj, pmu->attr_update);
+-
+-	if (ret)
+-		goto del_dev;
++		if (ret)
++			goto del_dev;
++	}
+ 
+ out:
+ 	return ret;