Commit 4b406998 authored Nov 06, 2019 by Niranjana Vishwanathapura Committed by Chris Wilson Nov 06, 2019

drm/i915: Remove unwanted rcu_read_lock/unlock



We don't need rcu read side critical section to call pid_nr(),
remove it.

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191106172416.17188-1-chris@chris-wilson.co.uk

parent feba2b81

drivers/gpu/drm/i915/i915_gpu_error.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -1230,10 +1230,7 @@ static void record_request(const struct i915_request *request,
		erq->start = i915_ggtt_offset(request->ring->vma);
		erq->head = request->head;
		erq->tail = request->tail;

		rcu_read_lock();
		erq->pid = ctx->pid ? pid_nr(ctx->pid) : 0;
		rcu_read_unlock();
		}

		static void engine_record_requests(struct intel_engine_cs *engine,

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