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 671C1C4167B for ; Thu, 7 Dec 2023 17:49:05 +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=PBMLBGVjr8Ik2kGNkyAQgXvspfYezAGcqDF6AXpcxzI=; b=gW3ACNgmnR9urPjzs6sTdVN5cO 6Vpxc9IgmgFrwz2MPV9uV1WP2Z1QbsmPpqQoYHeiP0MeqQ1jtX+aVmwSdbAKKfx0fJXXPsiVhiuAa QfSd7HoBgzpkfTA7oh55DOUrcYGciQhvY+I3iUqYUYm5jwce14Gbel+ENa8UQe6CAjzpB8Gmxa11F eCWdhFGUJD7f4dIAUUEigU8rxSsXswAg05CyYCX+qiHYooKEnvLv6nxWjGXcAKlAcS2OgYr0ub65/ cIzibYKHpoKnYoj1oaComoex4OX2ITmnGAP/L3kPH1Yy2pRcsDT0UeC9/rMvNMd/I7apt2QhFUufs ngy3ubdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rBIUg-00DZbU-0R; Thu, 07 Dec 2023 17:49:02 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rBIUd-00DZaM-2A for linux-nvme@lists.infradead.org; Thu, 07 Dec 2023 17:49:00 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 1A0D5227A87; Thu, 7 Dec 2023 18:48:54 +0100 (CET) Date: Thu, 7 Dec 2023 18:48:53 +0100 From: Christoph Hellwig To: Ming Lei Cc: Keith Busch , Jeff Moyer , Keith Busch , linux-nvme@lists.infradead.org, io-uring@vger.kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me, asml.silence@gmail.com, linux-security-module@vger.kernel.org, Kanchan Joshi Subject: Re: [PATCH 1/2] iouring: one capable call per iouring instance Message-ID: <20231207174853.GA31395@lst.de> References: <20231204175342.3418422-1-kbusch@meta.com> 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-20231207_094859_849440_421FE21C X-CRM114-Status: GOOD ( 11.27 ) 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 Thu, Dec 07, 2023 at 09:23:06AM +0800, Ming Lei wrote: > Got it, thanks for the explanation, and looks one big defect of > NVMe protocol or the device implementation. It is. And NVMe has plenty more problems like that and people keep adding this kind of crap even today :(