svn commit: r363041 - stable/11/sys/dev/mlx5/mlx5_core

[Konstantin Belousov]

Author: kib
Date: Thu Jul  9 11:06:29 2020
New Revision: 363041
URL: https://svnweb.freebsd.org/changeset/base/363041

Log:
  MFC r362887:
  mlx5_core: remove unneccessary LFENCE instruction.

Modified:
  stable/11/sys/dev/mlx5/mlx5_core/mlx5_eq.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/mlx5/mlx5_core/mlx5_eq.c
==============================================================================
--- stable/11/sys/dev/mlx5/mlx5_core/mlx5_eq.c	Thu Jul  9 10:54:00 2020	(r363040)
+++ stable/11/sys/dev/mlx5/mlx5_core/mlx5_eq.c	Thu Jul  9 11:06:29 2020	(r363041)
@@ -240,7 +240,7 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, stru
 		 * Make sure we read EQ entry contents after we've
 		 * checked the ownership bit.
 		 */
-		rmb();
+		atomic_thread_fence_acq();
 
 		mlx5_core_dbg(eq->dev, "eqn %d, eqe type %s\n",
 			      eq->eqn, eqe_type_str(eqe->type));