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From: Keith Busch <kbusch@kernel.org>
To: Mario.Limonciello@dell.com
Cc: keith.busch@intel.com, hch@lst.de, sagi@grimberg.me,
	linux-nvme@lists.infradead.org, rafael@kernel.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	kai.heng.feng@canonical.com
Subject: Re: [PATCH] nvme/pci: Use host managed power state for suspend
Date: Mon, 13 May 2019 08:37:54 -0600	[thread overview]
Message-ID: <20190513143754.GE15318@localhost.localdomain> (raw)
In-Reply-To: <955722d8fc16425dbba0698c4806f8fd@AUSX13MPC105.AMER.DELL.COM>

On Mon, May 13, 2019 at 02:24:41PM +0000, Mario.Limonciello@dell.com wrote:
> This was not a disk with HMB, but with regard to the HMB I believe it needs to be
> removed during s0ix so that there isn't any mistake that SSD thinks it can access HMB
> memory in s0ix.

Is that really the case, though? Where may I find that DMA is not
allowed in this state? I just want an authoritative reference to attach
to the behavior.

  parent reply	other threads:[~2019-05-13 14:43 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-10 21:29 Keith Busch
2019-05-11  0:52 ` Mario.Limonciello
2019-05-13 14:24   ` Mario.Limonciello
2019-05-13 14:37     ` Christoph Hellwig
2019-05-13 14:43       ` Mario.Limonciello
2019-05-13 14:54         ` Christoph Hellwig
2019-05-13 14:55         ` Keith Busch
2019-05-13 15:05           ` Mario.Limonciello
2019-05-13 15:04             ` Keith Busch
2019-05-14  8:04               ` Rafael J. Wysocki
2019-05-14 22:16                 ` Keith Busch
2019-05-15  9:00                   ` Rafael J. Wysocki
2019-05-13 14:37     ` Keith Busch [this message]
2019-05-13 14:54       ` Mario.Limonciello
2019-05-13 14:57         ` Christoph Hellwig
2019-05-13 15:16           ` Keith Busch
2019-05-13 17:16             ` Kai-Heng Feng
2019-05-13 18:16               ` Keith Busch
2019-05-13 18:01           ` Mario.Limonciello
2019-05-14  6:11             ` Christoph Hellwig
2019-05-11  1:33 ` Edmund Nadolski
2019-05-11  7:22 ` Christoph Hellwig
2019-05-12 14:34   ` Sagi Grimberg
2019-05-13 13:36   ` Keith Busch
2019-05-12  6:06 ` Chaitanya Kulkarni
2019-05-12 14:30   ` Minwoo Im
2019-05-12 15:20     ` Chaitanya Kulkarni
2019-05-13 13:47   ` Keith Busch

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