[PATCH 7/7] lock

Chris Wilson chris at chris-wilson.co.uk
Sat Jan 25 21:02:25 UTC 2020


---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 2abad15a7bfa..ba816922d6b6 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2635,13 +2635,13 @@ static bool execlists_capture(struct intel_engine_cs *engine)
 	if (!cap)
 		return true;
 
-	rcu_read_lock();
+	spin_lock_irq(&engine->active.lock);
 	cap->rq = execlists_active(&engine->execlists);
 	if (cap->rq) {
 		cap->rq = active_request(cap->rq->context->timeline, cap->rq);
 		cap->rq = i915_request_get_rcu(cap->rq);
 	}
-	rcu_read_unlock();
+	spin_unlock_irq(&engine->active.lock);
 	if (!cap->rq)
 		goto err_free;
 
-- 
2.25.0



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