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a=ed25519-sha256; c=relaxed/relaxed; t=1778100631; s=strato-dkim-0003; d=iokpp.de; h=References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Cc:Date: From:Subject:Sender; bh=8WGeH7RqjHCg76bCCZr770JcCfZkQPDQ6i0iWRywDEQ=; b=aDw2XWlJuYCyPnqIPyLLDyS6hJ8UgjQLxTlPHrcvOelaVIyP67stCBIPkwtL//IbRz C7vNn4VK+c2yPtCAmEDg== X-RZG-AUTH: ":LmkFe0i9dN8c2t4QQyGBB/NDXvjDB6pBSe9tgBDSDt0V0DpulXBkei/nxYyYL8UZ" Received: from [172.20.1.251] by smtp.strato.de (RZmta 55.0.1 AUTH) with ESMTPSA id z79345246KoUJ2X (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Wed, 6 May 2026 22:50:30 +0200 (CEST) Message-ID: Subject: Re: [PATCH] nvme: skip I/O Command Set specific Identify Controller on pre-2.0 devices From: Bean Huo To: Keith Busch , Christoph Hellwig Cc: Jens Axboe , Sagi Grimberg , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Bean Huo Date: Wed, 06 May 2026 22:50:29 +0200 In-Reply-To: References: <20260503200243.2968366-1-beanhuo@iokpp.de> <20260504043655.GA9013@lst.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4-0ubuntu2.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2026-05-06 at 15:29 +0200, Keith Busch wrote: > On Mon, May 04, 2026 at 06:36:55AM +0200, Christoph Hellwig wrote: > > No.=C2=A0 NVMe allow TPs to be implemented on devices claiming earlier > > compliance.=C2=A0 We've had this patch and this answer probably half a > > dozen times now. >=20 > The proper solution is that vendors need to have their controllers stop > logging pointless errors that don't help anything. Thanks Christoph, Keith. I wasn't aware that TPs can be implemented independently of the spec versio= n claimed by the device. I'll drop this patch and follow up with the vendor instead. Kind regards,=20 Bean