From 2bbba4e94eb987701abcacae241929fd13a196b2 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 11 Jan 2018 14:04:02 +0000 Subject: [PATCH] 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: 109ec558370f ("drm/i915/pmu: Only enumerate available counters in sysfs") Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Reviewed-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20180111140402.3984-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_pmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 9139bc8df82b..95ab5e28f5be 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -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; -- 2.30.2