From: kbusch@kernel.org (Keith Busch)
Subject: [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@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.
WARNING: multiple messages have this Message-ID (diff)
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.
next prev parent reply other threads:[~2019-05-13 14:37 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-10 21:29 [PATCH] nvme/pci: Use host managed power state for suspend Keith Busch
2019-05-10 21:29 ` Keith Busch
2019-05-11 0:52 ` Mario.Limonciello
2019-05-11 0:52 ` Mario.Limonciello
2019-05-11 0:52 ` Mario.Limonciello
2019-05-13 14:24 ` Mario.Limonciello
2019-05-13 14:24 ` Mario.Limonciello
2019-05-13 14:24 ` Mario.Limonciello
2019-05-13 14:37 ` Christoph Hellwig
2019-05-13 14:37 ` Christoph Hellwig
2019-05-13 14:43 ` Mario.Limonciello
2019-05-13 14:43 ` Mario.Limonciello
2019-05-13 14:43 ` Mario.Limonciello
2019-05-13 14:54 ` Christoph Hellwig
2019-05-13 14:54 ` Christoph Hellwig
2019-05-13 14:55 ` Keith Busch
2019-05-13 14:55 ` Keith Busch
2019-05-13 15:05 ` Mario.Limonciello
2019-05-13 15:05 ` Mario.Limonciello
2019-05-13 15:05 ` Mario.Limonciello
2019-05-13 15:04 ` Keith Busch
2019-05-13 15:04 ` Keith Busch
2019-05-14 8:04 ` Rafael J. Wysocki
2019-05-14 8:04 ` Rafael J. Wysocki
2019-05-14 22:16 ` Keith Busch
2019-05-14 22:16 ` Keith Busch
2019-05-15 9:00 ` Rafael J. Wysocki
2019-05-15 9:00 ` Rafael J. Wysocki
2019-05-13 14:37 ` Keith Busch [this message]
2019-05-13 14:37 ` Keith Busch
2019-05-13 14:54 ` Mario.Limonciello
2019-05-13 14:54 ` Mario.Limonciello
2019-05-13 14:54 ` Mario.Limonciello
2019-05-13 14:57 ` Christoph Hellwig
2019-05-13 14:57 ` Christoph Hellwig
2019-05-13 15:16 ` Keith Busch
2019-05-13 15:16 ` Keith Busch
2019-05-13 17:16 ` Kai-Heng Feng
2019-05-13 17:16 ` Kai-Heng Feng
2019-05-13 18:16 ` Keith Busch
2019-05-13 18:16 ` Keith Busch
2019-05-13 18:01 ` Mario.Limonciello
2019-05-13 18:01 ` Mario.Limonciello
2019-05-13 18:01 ` Mario.Limonciello
2019-05-14 6:11 ` Christoph Hellwig
2019-05-14 6:11 ` Christoph Hellwig
2019-05-11 1:33 ` Edmund Nadolski
2019-05-11 1:33 ` Edmund Nadolski
2019-05-11 7:22 ` Christoph Hellwig
2019-05-11 7:22 ` Christoph Hellwig
2019-05-12 14:34 ` Sagi Grimberg
2019-05-12 14:34 ` Sagi Grimberg
2019-05-13 13:36 ` Keith Busch
2019-05-13 13:36 ` Keith Busch
2019-05-12 6:06 ` Chaitanya Kulkarni
2019-05-12 6:06 ` Chaitanya Kulkarni
2019-05-12 14:30 ` Minwoo Im
2019-05-12 14:30 ` Minwoo Im
2019-05-12 15:20 ` Chaitanya Kulkarni
2019-05-12 15:20 ` Chaitanya Kulkarni
2019-05-13 13:47 ` Keith Busch
2019-05-13 13:47 ` Keith Busch
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