From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/infiniband/hw/mthca/mthca_cmd.c |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/kernel/drivers/infiniband/hw/mthca/mthca_cmd.c b/kernel/drivers/infiniband/hw/mthca/mthca_cmd.c
index 83aa47e..bdf5ed3 100644
--- a/kernel/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/kernel/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -292,12 +292,6 @@
 		err = mthca_cmd_post_hcr(dev, in_param, out_param, in_modifier,
 					 op_modifier, op, token, event);
 
-	/*
-	 * Make sure that our HCR writes don't get mixed in with
-	 * writes from another CPU starting a FW command.
-	 */
-	mmiowb();
-
 	mutex_unlock(&dev->cmd.hcr_mutex);
 	return err;
 }

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