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[23.128.96.33]) by mx.google.com with ESMTPS id bg3-20020a056a02010300b005bdf596188asi10552535pgb.667.2023.11.27.10.28.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Nov 2023 10:28:37 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KaZb2CEJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 6B5AF8059D8E; Mon, 27 Nov 2023 10:28:23 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232447AbjK0S2I (ORCPT + 99 others); Mon, 27 Nov 2023 13:28:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230020AbjK0S2H (ORCPT ); Mon, 27 Nov 2023 13:28:07 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD4A419B for ; Mon, 27 Nov 2023 10:28:13 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11E18C433C8; Mon, 27 Nov 2023 18:28:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701109693; bh=A1PpNtdBImkzeODYZiAdcGuZw6cwms+82GS4BsmUzsU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KaZb2CEJYoixhHKDThGpqB6fr1ifr+9M9JlqykhmcD988oXFfIaI6+FCd3G4SAjBj u5+tL8hKK0BWo0+GP5MZ5hIFmybklJAShm29WnMtf54/kKiPgkGCRESR95Tz5Vj8xP LfYYkZtQIgrwOlTwL6aQUdiFeZoGAGDerQzeoYB8NAkpHCLnpokAFR2iEn6E9zuDHE t62+7eH7tFNiJIUXWvo68Zi79aa9pj2V0UvZM5q1v0W9HDWbkiCHGrJIe5my2/Q5Po EXgH1+RdZomDenTDy4DSArLDkF31akBhevG9rq/Cpxc5Tx4/tHk4bGZJgI4nisN9ah tjOVu/yfBUSww== Date: Mon, 27 Nov 2023 11:28:10 -0700 From: Keith Busch To: Mark O'Donovan Cc: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, sagi@grimberg.me, hch@lst.de, axboe@kernel.dk, hare@suse.de Subject: Re: [PATCH RESEND] nvme: fine-tune sending of first keep-alive Message-ID: References: <20231124205659.523248-1-shiftee@posteo.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231124205659.523248-1-shiftee@posteo.net> X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Mon, 27 Nov 2023 10:28:23 -0800 (PST) On Fri, Nov 24, 2023 at 08:56:59PM +0000, Mark O'Donovan wrote: > Keep-alive commands are sent half-way through the kato period. > This normally works well but fails when the keep-alive system is > started when we are more than half way through the kato. > This can happen on larger setups or due to host delays. > With this change we now time the initial keep-alive command from > the controller initialisation time, rather than the keep-alive > mechanism activation time. Thanks, applied to nvme-6.7.