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

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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: 109ec55837 ("drm/i915/pmu: Only enumerate available counters in sysfs")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180111140402.3984-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-01-11 14:04:02 +00:00
parent 109ec55837
commit 2bbba4e94e
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_pmu.c
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@ -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;