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Commit a1db9c54 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Track rcu_head for our idle worker 



While our little rcu worker might be able to be replaced now by the
dedicated rcu_work, in the meantime we should mark up the rcu_head for
correct debugobjects tracking.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181108092101.27598-2-chris@chris-wilson.co.uk
parent 8811d616

drivers/gpu/drm/i915/i915_gem.c

+3 −0
Original line number Diff line number Diff line
@@ -3557,6 +3557,8 @@ static void __sleep_rcu(struct rcu_head *rcu) 
	struct sleep_rcu_work *s = container_of(rcu, typeof(*s), rcu);

	struct drm_i915_private *i915 = s->i915;



	destroy_rcu_head(&s->rcu);



	if (same_epoch(i915, s->epoch)) {

		INIT_WORK(&s->work, __sleep_work);

		queue_work(i915->wq, &s->work);
@@ -3673,6 +3675,7 @@ i915_gem_idle_work_handler(struct work_struct *work) 
	if (same_epoch(dev_priv, epoch)) {

		struct sleep_rcu_work *s = kmalloc(sizeof(*s), GFP_KERNEL);

		if (s) {

			init_rcu_head(&s->rcu);

			s->i915 = dev_priv;

			s->epoch = epoch;

			call_rcu(&s->rcu, __sleep_rcu);