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Diffstat (limited to 'arch/powerpc/perf/hv-gpci.c')
-rw-r--r--arch/powerpc/perf/hv-gpci.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index 1bca0c1a6cfe..d48413e28c39 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -96,7 +96,15 @@ static ssize_t kernel_version_show(struct device *dev,
return sprintf(page, "0x%x\n", COUNTER_INFO_VERSION_CURRENT);
}
+static ssize_t cpumask_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return cpumap_print_to_pagebuf(true, buf, &hv_gpci_cpumask);
+}
+
static DEVICE_ATTR_RO(kernel_version);
+static DEVICE_ATTR_RO(cpumask);
+
HV_CAPS_ATTR(version, "0x%x\n");
HV_CAPS_ATTR(ga, "%d\n");
HV_CAPS_ATTR(expanded, "%d\n");
@@ -113,6 +121,15 @@ static struct attribute *interface_attrs[] = {
NULL,
};
+static struct attribute *cpumask_attrs[] = {
+ &dev_attr_cpumask.attr,
+ NULL,
+};
+
+static struct attribute_group cpumask_attr_group = {
+ .attrs = cpumask_attrs,
+};
+
static struct attribute_group interface_group = {
.name = "interface",
.attrs = interface_attrs,
@@ -122,6 +139,7 @@ static const struct attribute_group *attr_groups[] = {
&format_group,
&event_group,
&interface_group,
+ &cpumask_attr_group,
NULL,
};