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* [PATCH] drm/xe/xe_guc_ct: Drop smp_mb in parse_g2h_response
@ 2025-12-18 16:58 Jonathan Cavitt
  2025-12-18 18:52 ` ✓ CI.KUnit: success for " Patchwork
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Jonathan Cavitt @ 2025-12-18 16:58 UTC (permalink / raw)
  To: intel-xe; +Cc: saurabhg.gupta, alex.zuo, jonathan.cavitt, maarten.lankhorst

smp_mb before wake_up_all in parse_g2h_response is superfluous.
Drop it.

Suggested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
---
 drivers/gpu/drm/xe/xe_guc_ct.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index c3df9b3f1b4d..d101b37106da 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -1499,7 +1499,6 @@ static int parse_g2h_response(struct xe_guc_ct *ct, u32 *msg, u32 len)
 	g2h_release_space(ct, GUC_CTB_HXG_MSG_MAX_LEN);
 
 	g2h_fence->done = true;
-	smp_mb();
 
 	wake_up_all(&ct->g2h_fence_wq);
 
-- 
2.43.0


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end of thread, other threads:[~2025-12-19 17:47 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2025-12-18 16:58 [PATCH] drm/xe/xe_guc_ct: Drop smp_mb in parse_g2h_response Jonathan Cavitt
2025-12-18 18:52 ` ✓ CI.KUnit: success for " Patchwork
2025-12-18 19:27 ` ✓ Xe.CI.BAT: " Patchwork
2025-12-18 20:55 ` [PATCH] " Summers, Stuart
2025-12-19 17:47 ` ✗ Xe.CI.Full: failure for " Patchwork

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