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From: Jonathan Cavitt <jonathan.cavitt@intel.com>
To: intel-xe@lists.freedesktop.org
Cc: saurabhg.gupta@intel.com, alex.zuo@intel.com,
	jonathan.cavitt@intel.com, maarten.lankhorst@linux.intel.com
Subject: [PATCH] drm/xe/xe_guc_ct: Drop smp_mb in parse_g2h_response
Date: Thu, 18 Dec 2025 16:58:04 +0000	[thread overview]
Message-ID: <20251218165803.9042-2-jonathan.cavitt@intel.com> (raw)

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


             reply	other threads:[~2025-12-18 16:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-18 16:58 Jonathan Cavitt [this message]
2025-12-18 18:52 ` ✓ CI.KUnit: success for drm/xe/xe_guc_ct: Drop smp_mb in parse_g2h_response 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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