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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CE02C4360C for ; Thu, 10 Oct 2019 15:30:07 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 56F27214E0 for ; Thu, 10 Oct 2019 15:30:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rAaj4whU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56F27214E0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=trOUZGejMWi0poMbx2dN5Ju7IfTNfLZwTGMnVX2uRag=; b=rAaj4whUK0puKX i70USyptVy5MHjHjED1Xu7gQFZFPZ2d1rNCFoqprqv0N/57dfX7m16vb3PU4p5MNmrs9aqred0pxe Tv6/YF48KPZkwh9UNTlsssIOqaalru9EjXD4Mb8haLZZtLMfWKxMV8H/ASWyhMrMkeASH6J1hOwY9 VD7HWV6LoESkqj3q/VdfUvRJJ4hfyAiIR5QEFRpO6+SefHDI11+q5oTHd+CzppOdq3FdNqtB33kze GsyiSsgq8SaJf1MEU7QDUErQUHXmaAk0197Phg7uz6vV/mlBN4uapJ2tjHLiTJavO5CkL5OQWN37K bxbOE/Y7t+j4zdXt16Bw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iIaOD-0005pk-7C; Thu, 10 Oct 2019 15:30:05 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iIaOA-0005Ns-DY for linux-nvme@lists.infradead.org; Thu, 10 Oct 2019 15:30:04 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 60C8568C65; Thu, 10 Oct 2019 17:29:58 +0200 (CEST) Date: Thu, 10 Oct 2019 17:29:58 +0200 From: Christoph Hellwig To: Sebastian Andrzej Siewior Subject: Re: [PATCH] nvme-tcp: Remove access to sk->sk_ll_usec Message-ID: <20191010152958.GA1057@lst.de> References: <20191010150622.reqmasxgavug4amm@linutronix.de> <20191010150719.GA617@lst.de> <20191010151023.gru6fhrhy7gxxwye@linutronix.de> <20191010151444.GA638@lst.de> <20191010152924.jlr53aunkj7de5js@linutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191010152924.jlr53aunkj7de5js@linutronix.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-20191010_083002_619259_B4CBA374 X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagi Grimberg , linux-nvme@lists.infradead.org, Jens Axboe , Keith Busch , tglx@linutronix.de, Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, Oct 10, 2019 at 05:29:24PM +0200, Sebastian Andrzej Siewior wrote: > On 2019-10-10 17:14:44 [+0200], Christoph Hellwig wrote: > > I didn't really understand that comment, or how it applies to the > > nvme code, given that it never calls setsockopt with SO_BUSY_POLL. > > So that part of the code is never accessed from userland? No, the code uses sockets from kernel space. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme