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 33BFE17E90E; Mon, 27 May 2024 19:13:30 +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=1716837210; cv=none; b=gLLrbSA+wg3IRI44UQQEUoqzpAF4ennLLtfniesmDG0sC09cWk/bvuip2HcIgJlneQnz9FUSD7RtH1zsnhXgNtns4oNV3wSE2vy6xnmGmxBQi5lJjrHQf7zHERHZaE+RSN7uM4lNn+I7KdIMZQN25MSR9iCUvq1+/D4Fnr2Wh+I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716837210; c=relaxed/simple; bh=K+t5/3UtA5iDTl/rDdyBeyrEJpfkjsij9JscobEbv4Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GyQWDeaTuefVBeWmZKu122wJ1hVxPlKgYz/jGisBLNL9M1JCuy/JySmiCqy4qoOXtFmtCgpUAWXBZGTUeWIRGyQcwkZ3kR5hs9aar2YqPfD1AQDcQMbSFSv1eXCmXQCd/6lUgEKGqFi7QcF0EeFoDBx5M4oF2nXOOU+WH3wYXOQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=u/6CkRDC; 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="u/6CkRDC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF28EC32781; Mon, 27 May 2024 19:13:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716837210; bh=K+t5/3UtA5iDTl/rDdyBeyrEJpfkjsij9JscobEbv4Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u/6CkRDC4RRX8tVzy5o5hQ9e5c3Q45AvVQ24xP1EW8B/1bTdc57lXsdkgnnvdAItI 8NGmsYZ8dRtamGdB16D2/+0hk1dtgeXxWpiKIimR8cmvJwFdgzCiKq4w5wG101TBRI oR9teX4kKXi+pLNFEdVEkctZ/LgUt07G7aM75dJQ= 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 6.9 351/427] RDMA/mlx5: Adding remote atomic access flag to updatable flags Date: Mon, 27 May 2024 20:56:38 +0200 Message-ID: <20240527185633.445268539@linuxfoundation.org> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240527185601.713589927@linuxfoundation.org> References: <20240527185601.713589927@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 6.9-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