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,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 7ED68C43603 for ; Thu, 12 Dec 2019 10:15:50 +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 4C086206A5 for ; Thu, 12 Dec 2019 10:15:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qwkSrXVG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C086206A5 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=bX055a5s7RHsuGWs76D7myGJtDzwnSkvFtPoFVP4GZs=; b=qwkSrXVGiwBK+Y ys9c+bNeoyjLLjBcZO4MTbot7q2C75dJA0QvpYV4tdCuTR6UwHIW7FO/hcdSpCw7+YPVIRbtXptc1 45XDi8Fd2alq8IXLt0jH08FFkY7pdbnruFYoQzmC+zktc2JRV2/AQCTqvbMw8KHWtqVMEzUG6UHa1 CcbeLiQ0/B/3TO+UGsksJMDUP/D1mZ8QmUmeqfYzsB1Rd8XR9r5U9qf5XsTsoBHpEffp0P9gi+bXk KgT9Yy+IxjsTZTplC/WHzkUQIgXLPMhXn8E/7KIKW96KuYcj2azMq8Apbgk0H2rLHcQYmv/FzcRMi p6azma06/FxTibCqtFwg==; 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 1ifLVd-0000BN-3F; Thu, 12 Dec 2019 10:15:49 +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 1ifKYO-0006N1-72 for linux-nvme@lists.infradead.org; Thu, 12 Dec 2019 09:14:44 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 1826368B05; Thu, 12 Dec 2019 10:14:34 +0100 (CET) Date: Thu, 12 Dec 2019 10:14:33 +0100 From: Christoph Hellwig To: Keith Busch Subject: Re: [PATCHv3 3/4] nvme/pci: Remove use_threaded_interrupts Message-ID: <20191212091433.GD2399@lst.de> References: <20191209175622.1964-1-kbusch@kernel.org> <20191209175622.1964-4-kbusch@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191209175622.1964-4-kbusch@kernel.org> 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-20191212_011436_434798_A6F30FAC X-CRM114-Status: UNSURE ( 5.67 ) 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.me, bigeasy@linutronix.de, linux-nvme@lists.infradead.org, ming.lei@redhat.com, tglx@linutronix.de, hch@lst.de 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 Tue, Dec 10, 2019 at 02:56:21AM +0900, Keith Busch wrote: > The nvme threaded interrupt handling provides quick completions for > latency sensitive workloads, and threaded handlers for more IOPS intensive > ones. Remove the use_threaded_interrupts nvme module parameter since > leaving it disabled should not be providing a benefit. I think we need some careful benchmarking and numbers to justify the switch. _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme