[CI] drm/i915: Remove unwanted rcu_read_lock/unlock
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Message ID 20191106172416.17188-1-chris@chris-wilson.co.uk
State New
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Series
  • [CI] drm/i915: Remove unwanted rcu_read_lock/unlock
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Commit Message

Chris Wilson Nov. 6, 2019, 5:24 p.m. UTC
From: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>

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>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 3 ---
 1 file changed, 3 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index e8b67f5e521d..1f2f266f26af 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -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,