From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6314B17727; Mon, 27 May 2024 19:35:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716838519; cv=none; b=bL7zTwqSAGPP7yYw7rOQ5kWKkE0+6EJTM13NXI5CKdZiQfV76O3RAXgEmAhGflKw+1yXo9Xlq4xIQWnTNsqsptn/cx5KchQIuytBv0pzuO8hU9wwF8d4LBGxl0YQ77k0gQcRjqj/gOtK5LSJ5BRvyUx8uB2NI5dCszCfRP12zkA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716838519; c=relaxed/simple; bh=1W5lGN8EhE0DMGa9WmRadiLy+xBCAwRFhe6XmkrVrJM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HM+LNFcFzBjznvXSzntqUgm0N06Ow8QwFemV3RlsAoZFq0UGZSbZ+X+SCSP9sJjH5m7sL43pQZm36Fz84Lq3eBndMpRTLGUHcEnPqOicSdHSgrPOpk+dTdd7cREsMCbKFQHVfnsEE6qH6qGWuCQw0I3so2NYSuXNmzoO81tc37I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Hzw3DRkU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Hzw3DRkU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5CACC2BBFC; Mon, 27 May 2024 19:35:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716838519; bh=1W5lGN8EhE0DMGa9WmRadiLy+xBCAwRFhe6XmkrVrJM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hzw3DRkUj4Buv/GQ7oHiDzk+76Xk2GU0qLTeIsKUVWB2OeqQKYn1TIY7/kjjjjsZc 2EMZ8HWoltzzvideNUgCHw0ZKwEV/OnsMxlMY0h/s75bP/qIuO0jpzDgBP1gN3Mr45 gqHnGTgChaprXRFj4qB8KtHSWGEOQ/TCjyalZBFg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Or Har-Toov , Leon Romanovsky , Sasha Levin Subject: [PATCH 6.8 423/493] RDMA/mlx5: Adding remote atomic access flag to updatable flags Date: Mon, 27 May 2024 20:57:05 +0200 Message-ID: <20240527185644.130771845@linuxfoundation.org> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240527185626.546110716@linuxfoundation.org> References: <20240527185626.546110716@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Or Har-Toov [ Upstream commit 2ca7e93bc963d9ec2f5c24d117176851454967af ] Currently IB_ACCESS_REMOTE_ATOMIC is blocked from being updated via UMR although in some cases it should be possible. These cases are checked in mlx5r_umr_can_reconfig function. Fixes: ef3642c4f54d ("RDMA/mlx5: Fix error unwinds for rereg_mr") Signed-off-by: Or Har-Toov Link: https://lore.kernel.org/r/24dac73e2fa48cb806f33a932d97f3e402a5ea2c.1712140377.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/mr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 7f7b1f59b5f05..ecc111ed5d86e 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1572,7 +1572,8 @@ static bool can_use_umr_rereg_access(struct mlx5_ib_dev *dev, unsigned int diffs = current_access_flags ^ target_access_flags; if (diffs & ~(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | - IB_ACCESS_REMOTE_READ | IB_ACCESS_RELAXED_ORDERING)) + IB_ACCESS_REMOTE_READ | IB_ACCESS_RELAXED_ORDERING | + IB_ACCESS_REMOTE_ATOMIC)) return false; return mlx5r_umr_can_reconfig(dev, current_access_flags, target_access_flags); -- 2.43.0