From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62FB3CD3423 for ; Mon, 4 May 2026 04:37:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Jlih6NvAh4WvaG/O7PVidqtNlmD0RagHqeRI/xJVk+E=; b=AO53ZXnxv8LvSxbVkzC0jNcOEG eFCIMlycZItZzRZIh4LYXbACG7QmWdIvnTt0AtcNh0VGCv9Ik2Q7RrCC5w1iy+HVKjMSOdOhgh60+ ELqpccAV2XE8TllnA73owo/t3fHgRAWmfKqoeBT5yH7Ij0K17nLIXTGfA9lrrnG/cmQ9JieHdmMpS O9+BjfyRaE8BCkIhezx5HWJVD8+tct8V93nLUNZ4tddb9V0vB8Zr/sVjpcuIhw0FMgju/o3bupZb1 /jP0Gs8Q3kxEc0WMRiQliwkVX/2yolJBj6Nsea7ch3pSC0IcydMJa3mNsLtWwR6n8i1qEeoO8MW0j 5YuYzxDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wJl3K-0000000CLBf-3Wwo; Mon, 04 May 2026 04:37:06 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wJl3H-0000000CLAw-3OI6 for linux-nvme@lists.infradead.org; Mon, 04 May 2026 04:37:05 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id EFCD168AFE; Mon, 4 May 2026 06:36:55 +0200 (CEST) Date: Mon, 4 May 2026 06:36:55 +0200 From: Christoph Hellwig To: Bean Huo Cc: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Bean Huo Subject: Re: [PATCH] nvme: skip I/O Command Set specific Identify Controller on pre-2.0 devices Message-ID: <20260504043655.GA9013@lst.de> References: <20260503200243.2968366-1-beanhuo@iokpp.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260503200243.2968366-1-beanhuo@iokpp.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260503_213703_988550_5C71B0FD X-CRM114-Status: UNSURE ( 9.32 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org No. NVMe allow TPs to be implemented on devices claiming earlier compliance. We've had this patch and this answer probably half a dozen times now.