From mboxrd@z Thu Jan 1 00:00:00 1970 From: kbusch@kernel.org (Keith Busch) Date: Mon, 13 May 2019 12:16:18 -0600 Subject: [PATCH] nvme/pci: Use host managed power state for suspend In-Reply-To: <9AE4A3E7-CDB8-4730-8B4E-43C93FC0C47F@canonical.com> References: <20190510212937.11661-1-keith.busch@intel.com> <0080aaff18e5445dabca509d4113eca8@AUSX13MPC105.AMER.DELL.COM> <955722d8fc16425dbba0698c4806f8fd@AUSX13MPC105.AMER.DELL.COM> <20190513143754.GE15318@localhost.localdomain> <7ab8274ef1ce46fcae54a50abc76ae4a@AUSX13MPC105.AMER.DELL.COM> <20190513145708.GA25897@lst.de> <20190513151652.GB15437@localhost.localdomain> <9AE4A3E7-CDB8-4730-8B4E-43C93FC0C47F@canonical.com> Message-ID: <20190513181618.GD15437@localhost.localdomain> On Tue, May 14, 2019@01:16:22AM +0800, Kai-Heng Feng wrote: > Disabling HMB prior suspend makes my original patch work without memory > barrier. > > However, using the same trick on this patch still freezes the system during > S2I. Could you post your code, please? From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Busch Subject: Re: [PATCH] nvme/pci: Use host managed power state for suspend Date: Mon, 13 May 2019 12:16:18 -0600 Message-ID: <20190513181618.GD15437@localhost.localdomain> References: <20190510212937.11661-1-keith.busch@intel.com> <0080aaff18e5445dabca509d4113eca8@AUSX13MPC105.AMER.DELL.COM> <955722d8fc16425dbba0698c4806f8fd@AUSX13MPC105.AMER.DELL.COM> <20190513143754.GE15318@localhost.localdomain> <7ab8274ef1ce46fcae54a50abc76ae4a@AUSX13MPC105.AMER.DELL.COM> <20190513145708.GA25897@lst.de> <20190513151652.GB15437@localhost.localdomain> <9AE4A3E7-CDB8-4730-8B4E-43C93FC0C47F@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <9AE4A3E7-CDB8-4730-8B4E-43C93FC0C47F@canonical.com> Sender: linux-kernel-owner@vger.kernel.org To: Kai-Heng Feng Cc: sagi@grimberg.me, rafael@kernel.org, linux-pm@vger.kernel.org, Mario.Limonciello@dell.com, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, keith.busch@intel.com, Christoph Hellwig List-Id: linux-pm@vger.kernel.org On Tue, May 14, 2019 at 01:16:22AM +0800, Kai-Heng Feng wrote: > Disabling HMB prior suspend makes my original patch work without memory > barrier. > > However, using the same trick on this patch still freezes the system during > S2I. Could you post your code, please?