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=-5.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 CF394C433E0 for ; Wed, 10 Jun 2020 06:53:49 +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 954F420734 for ; Wed, 10 Jun 2020 06:53:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XFT5yGXL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 954F420734 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=SB3pJOKIogyuA/8YPSv27PxNeU5DsLFU7oMmQFnpP8I=; b=XFT5yGXLEfQn2o 2vWU03A+/lqJ0PExKnDrjr+Mq/u3DZIwsMoTJDMqO615G9VR+l1MbAfYWCxjhYguOR2Nsn9JALFHp eSmwbbK9Mkj2uy0Daii6/+wirrhY4BkGSrMkEK6Iw07bWNmmIJmhh8HXeGiFcyC89oKJip/DPEDEa d9u7VGtfqbVRh16D9DSxhOTv+PIpD9fiUNfvQBLoI5r8w9QomRIZCzGhSqXkSd37mfjfd+4lizYKh J7XTHh0FwLq+mq5dXLIiSnU79DYTrzP1sV1Rdv+cAalGwQSq1fbvy3iGf7PtfA7aOE445aiJOqKrh D6/WrPq05kM4XLP2Y2vg==; 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 1jiucL-0007gK-FJ; Wed, 10 Jun 2020 06:53:45 +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 1jiucI-0007fw-1g for linux-nvme@lists.infradead.org; Wed, 10 Jun 2020 06:53:43 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 8025C68AFE; Wed, 10 Jun 2020 08:53:36 +0200 (CEST) Date: Wed, 10 Jun 2020 08:53:36 +0200 From: Christoph Hellwig To: Keith Busch Subject: Re: [PATCH] nvme-pci: use simple suspend when a HMB is enabled Message-ID: <20200610065336.GA1397@lst.de> References: <20200609161053.46493-1-hch@lst.de> <20200609162953.GA2278@redsun51.ssa.fujisawa.hgst.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200609162953.GA2278@redsun51.ssa.fujisawa.hgst.com> 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-20200609_235342_233804_CB168FFE X-CRM114-Status: UNSURE ( 9.30 ) 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: Christoph Hellwig , linux-nvme@lists.infradead.org, sagi@grimberg.me 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 Wed, Jun 10, 2020 at 01:29:53AM +0900, Keith Busch wrote: > On Tue, Jun 09, 2020 at 06:10:53PM +0200, Christoph Hellwig wrote: > > While the NVMe specification allows the device to access the host memory > > buffer in host DRAM from all power states, hosts will fail access to > > DRAM during S3 and similar power states. > > > > Signed-off-by: Christoph Hellwig > > Looks good. Stable ought to pick this up too. I've added a: Fixes: d916b1be94b6 ("nvme-pci: use host managed power state for suspend") and added it to nvme-5.8. _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme