From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793682753; b=vJDaLZsW2Sy0PqN+aoBxQJav43wI2eChER0KtADaDv1ioHDuL5CX5CafDSgZshWHPVCM QitijpW48QpJxH770ZUWMTOsXHFWueBJUAKMzO4CyqCHdeQMo7XyDCpzjK0md+SXC31BU aSPe+lZold2BatInUyeXIL+iXbzymXVhj8WJhy/HbUtSifybAUkZzITfVTWjdJaLIlBjE aIX8e9//VSlBuoMBLdQ8hpm116yEUvJIIEkmOf5NZE+3vM8xFP8jBQeHiR8uW4tNANzRH SBY0OM+oxHxToiJF43ivuoRGrt41oPaNV4rW863XqBj/qvGFGKgxEDx5GW6v41MNtYw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793682753; h=Received:DKIM-Signature:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:Content-Language:From:Organization: In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=98Gn3SOXcBgcz2fGP/37f0Z9Rxhy4Kh56gat06c22LU=; b=mf/d0Yt/7Qxd4hRrTO59zCW5ZNsSQX/v4GvKS9xHFYXLReVtzzgD3tNe/rOpAIgUAxP1 qKUCx/wXUdXCUp5lo2aPup9Nqr4B+lpdWLzD0p8hWTbuBqkqbllaKn52keEM2ok85bjSK PBqkfGr8P6sFTYPqlvWy+TTJBt2Ue1zLIL7m0qEHxQXfohoZFfiyw/ioAXpWv3oUnvTHI +mu6G+sP7C89GyQ99ksLoOrTPAtyRWx4akjbOJTdGUAyIjZdZKj5LJwLzEqQcF42LLldQ 5A2JCQcqaPfDQj+285UN+86eiqjRShm2/w5GEaCqputvgEUcibbT6jzMT9Llko36qwA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="l/na1ygk"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DCFD606A324 for ; Tue, 3 Nov 2026 05:12:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=l/na1ygk Received: by smtp.kernel.org (Postfix) with ESMTPSA id 569451F000C1; Tue, 3 Nov 2026 05:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793682753; bh=98Gn3SOXcBgcz2fGP/37f0Z9Rxhy4Kh56gat06c22LU=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=l/na1ygkNoU3dryiSarBu8D1eMt5hrSheOr1R0kOFy2OXTqYXYRj0zA8MvEaXuaH7 C4NXye6IK8bKku3wX45Rmwb6WXRf/a9jT3mYEJHBSEz27ArCzR925MPLH2IliNTOv9 kUkBwtIyLCMT5lKLyZIJndgKbwI0Awkh3E85DtlZ3iCwrqlHMXI7uagRZU+g/cjDGS wlZ42MMvVy4aiAt4Yc9x+KIBEbk2X33CC8DHOxj31gHhc/YAxySUm39SNuFOcp62uw WkGBm5tURPyBAzzeTuWb+me3OVjXNzj1lpq/bg0YAk2o3EmF5cnWCjRct/f45us6ku NvduJ2zUXMDBw== Message-ID: Date: Tue, 3 Nov 2026 14:12:31 +0900 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] nvmet: fix arbitration burst field mask To: James Fantin-Hardesty , linux-nvme@lists.infradead.org Cc: Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , linux-kernel@vger.kernel.org References: <20261030191853.1777683-1-james.fantin-hardesty@seagate.com> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20261030191853.1777683-1-james.fantin-hardesty@seagate.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/31/26 04:18, James Fantin-Hardesty wrote: > The Arbitration Burst (AB) field of the Arbitration feature is > CDW11 bits 2:0 (NVMe Base Specification 2.1, Feature 01h), but > nvmet incorrectly masks it with 0x3. Use 0x7 for both set and get. > > Fixes: a0ed77d4c9a7 ("nvmet: Implement arbitration feature support") > Signed-off-by: James Fantin-Hardesty Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research