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 38045EB64DA for ; Wed, 12 Jul 2023 16:57:32 +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=V1oATyTdnBLHYMEshNrddAcoGFagM25X5/uIsBAGLso=; b=ROdLawGBQbrVSk2X3KmW3iRD57 q49pRV0dI4f2t1bs4XWqyPuimFMndfoTikkPLv5gpYW9FwmDa81RZ6o3tHsJymbQVM4eTFgQWV4tx htIKZoWc9Nj8IWeTTG8PmGoLYFf9Tz0wm8liQzBBOWNrWOQZ/rtJT9ezU/OuNZRX3SbUd2Cu2L9la U7VuFmDj2jPGFXSln8oWoZ7jQG1FnXLek1jvWuf0chC4xccvQugAflWSdqaP49+PwS12laUsFxa8x LsmpMPp7aP3i+s2SiUdmeUMYZzhEaP2l7+aE9x4pqhWd84wdboZ0d/jIrZNai8CH+GSb1VwUumdv9 E0/f0TgA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qJd9d-000gDH-19; Wed, 12 Jul 2023 16:57:29 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qJd9a-000gCp-0U for linux-nvme@lists.infradead.org; Wed, 12 Jul 2023 16:57:27 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id E0D3067373; Wed, 12 Jul 2023 18:57:21 +0200 (CEST) Date: Wed, 12 Jul 2023 18:57:21 +0200 From: Christoph Hellwig To: Linus Torvalds Cc: Christoph Hellwig , Linux regressions mailing list , Pankaj Raghav , Keith Busch , Bagas Sanjaya , Jens Axboe , Sagi Grimberg , "Clemens S." , Martin Belanger , Chaitanya Kulkarni , John Meneghini , Hannes Reinecke , Linux Kernel Mailing List , Linux NVMe , Kanchan Joshi , Javier Gonzalez , =?utf-8?B?67CV7KeE7ZmY?= Subject: Re: Fwd: Need NVME QUIRK BOGUS for SAMSUNG MZ1WV480HCGL-000MV (Samsung SM-953 Datacenter SSD) Message-ID: <20230712165721.GA31965@lst.de> References: <6f333133-2cc4-406a-d6c2-642ac6ccabca@leemhuis.info> <462e0e1e-98ea-0f3c-4aaa-8d44f0a8e664@leemhuis.info> <20230711120609.GB27050@lst.de> <20230712164546.GA31434@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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-20230712_095726_661432_9E607C10 X-CRM114-Status: GOOD ( 15.28 ) 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 On Wed, Jul 12, 2023 at 09:51:52AM -0700, Linus Torvalds wrote: > On Wed, 12 Jul 2023 at 09:45, Christoph Hellwig wrote: > > > > On Tue, Jul 11, 2023 at 09:47:00AM -0700, Linus Torvalds wrote: > > > > > and we have NEVER EVER seen devices with reliably unique IDs. Really. > > > > Sorry, but that's bullshit. > > Christoph, you are *literally* involved in a discussion where this is the case. Yes. But that's not never ever. Enterprise storage devices have been pretty very good at it, because it is part of the purchase specs. So don't claim NEVER EVER, which is just BS. Claim we've been way to optimistic in that even cheap devices would get something so basic, and you're spot on.