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Commit 2bbba4e9 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/pmu: Initialise our dynamic sysfs attributes for use with lockdep 



As we kmalloc our dynamic sysfs attributes, we have to give them an
external static lock_class_key for them to use with lockdep.

Fixes: 109ec558 ("drm/i915/pmu: Only enumerate available counters in sysfs")
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180111140402.3984-1-chris@chris-wilson.co.uk
parent 109ec558

drivers/gpu/drm/i915/i915_pmu.c

+2 −0
Original line number Diff line number Diff line
@@ -719,6 +719,7 @@ static const struct attribute_group *i915_pmu_attr_groups[] = { 
static struct i915_ext_attribute *

add_i915_attr(struct i915_ext_attribute *attr, const char *name, u64 config)

{

	sysfs_attr_init(&attr->attr.attr);

	attr->attr.attr.name = name;

	attr->attr.attr.mode = 0444;

	attr->attr.show = i915_pmu_event_show;
@@ -731,6 +732,7 @@ static struct perf_pmu_events_attr * 
add_pmu_attr(struct perf_pmu_events_attr *attr, const char *name,

	     const char *str)

{

	sysfs_attr_init(&attr->attr.attr);

	attr->attr.attr.name = name;

	attr->attr.attr.mode = 0444;

	attr->attr.show = perf_event_sysfs_show;