From: Daniel Walker <dwalker@fifo99.com>
To: Brian Swetland <swetland@google.com>
Cc: linux-kernel@vger.kernel.org,
linux-pm@lists.linux-foundation.org,
Liam Girdwood <lrg@slimlogic.co.uk>,
Matthew Garrett <mjg@redhat.com>, Oleg Nesterov <oleg@redhat.com>,
linux-omap@vger.kernel.org,
Arjan van de Ven <arjan@infradead.org>,
Theodore Ts'o <tytso@mit.edu>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Geoff Smith <geoffx.smith@intel.com>,
Linus Walleij <linus.walleij@ericsson.com>,
Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 0/8] Suspend block api (version 6)
Date: Thu, 13 May 2010 11:25:57 -0700 [thread overview]
Message-ID: <1273775157.19100.20.camel@c-dwalke-linux.qualcomm.com> (raw)
In-Reply-To: <s2ga55d774e1005131117yd138c59bk54cc109401eb4a8d@mail.gmail.com>
On Thu, 2010-05-13 at 11:17 -0700, Brian Swetland wrote:
>
> I'm not sure this necessitates using only debugfs for the userspace
> interface. A userspace interface is necessary to accomplish what
> we're trying to do here, otherwise we have only half a solution, and
> our hope is that it'd be a stable interface (as userspace interfaces
> are supposed to be) for as long as its needed. I could totally
> imagine the userspace interface eventually becoming a no-op or
> punching through to some other facility, depending on how this problem
> is solved long-term in the ideal post-suspend-block future.
The problem is that once this userspace interface is exposed, it's
nearly permanent and has to be support for a long long time .. It might
seen trivial to just remove something your not using, but we never know
who is using what once the kernel is released.
Daniel
next prev parent reply other threads:[~2010-05-13 18:25 UTC|newest]
Thread overview: 188+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1272667021-21312-1-git-send-email-arve@android.com>
2010-05-13 3:35 ` [linux-pm] [PATCH 0/8] Suspend block api (version 6) Paul Walmsley
2010-05-13 12:17 ` Matthew Garrett
2010-05-13 17:33 ` Daniel Walker
2010-05-13 18:17 ` Brian Swetland
2010-05-13 18:25 ` Daniel Walker [this message]
2010-05-13 18:36 ` Matthew Garrett
2010-05-13 18:59 ` Daniel Walker
2010-05-13 19:11 ` Matthew Garrett
2010-05-13 19:36 ` Daniel Walker
2010-05-13 19:48 ` Matthew Garrett
2010-05-13 21:11 ` Rafael J. Wysocki
2010-05-13 21:16 ` Daniel Walker
2010-05-13 21:27 ` Rafael J. Wysocki
2010-05-13 21:33 ` Daniel Walker
2010-05-13 21:36 ` Tony Lindgren
2010-05-13 21:54 ` Rafael J. Wysocki
2010-05-13 21:46 ` Greg KH
2010-05-13 22:27 ` Mark Brown
2010-05-13 22:45 ` Greg KH
2010-05-14 0:03 ` Mark Brown
2010-05-13 22:46 ` Rafael J. Wysocki
2010-05-13 23:36 ` Mark Brown
2010-05-13 23:48 ` [linux-pm] " Brian Swetland
2010-05-14 0:29 ` Mark Brown
2010-05-13 22:33 ` Woodruff, Richard
2010-05-13 22:46 ` Greg KH
2010-05-13 23:06 ` [linux-pm] " Arve Hjønnevåg
2010-05-13 23:28 ` Brian Swetland
2010-05-14 16:47 ` Daniel Walker
2010-05-13 14:16 ` Alan Stern
2010-05-13 19:17 ` Tony Lindgren
2010-05-13 19:25 ` Matthew Garrett
2010-05-13 19:42 ` Tony Lindgren
2010-05-13 19:53 ` Matthew Garrett
2010-05-13 20:00 ` Tony Lindgren
2010-05-13 20:08 ` Matthew Garrett
2010-05-13 20:23 ` Tony Lindgren
2010-05-13 20:34 ` Matthew Garrett
2010-05-13 21:10 ` Tony Lindgren
2010-05-13 21:21 ` Matthew Garrett
2010-05-13 21:34 ` Tony Lindgren
2010-05-15 19:54 ` Matthew Garrett
2010-05-13 21:21 ` Rafael J. Wysocki
2010-05-13 21:25 ` Tony Lindgren
2010-05-13 21:56 ` Rafael J. Wysocki
2010-05-14 20:41 ` Kevin Hilman
2010-05-14 21:25 ` Rafael J. Wysocki
2010-05-14 21:40 ` Kevin Hilman
2010-05-14 21:50 ` Rafael J. Wysocki
2010-05-14 22:45 ` [linux-pm] " Kevin Hilman
2010-05-14 22:59 ` Brian Swetland
2010-05-15 2:58 ` Alan Stern
2010-05-15 3:40 ` Brian Swetland
2010-05-15 21:19 ` Alan Stern
2010-05-17 15:40 ` Kevin Hilman
2010-05-17 17:04 ` James Bottomley
2010-05-17 17:47 ` Felipe Balbi
2010-05-17 17:58 ` Matthew Garrett
2010-05-17 18:16 ` Felipe Balbi
2010-05-17 17:59 ` James Bottomley
2010-05-17 18:12 ` Felipe Balbi
2010-05-17 18:26 ` Brian Swetland
2010-05-17 18:39 ` Felipe Balbi
2010-05-17 18:45 ` Brian Swetland
2010-05-17 20:22 ` Rafael J. Wysocki
2010-05-17 18:45 ` Mark Brown
2010-05-17 18:47 ` Mike Chan
2010-05-17 19:24 ` James Bottomley
2010-05-17 19:38 ` Felipe Balbi
2010-05-17 19:39 ` Felipe Balbi
2010-05-17 19:49 ` James Bottomley
2010-05-18 6:40 ` Felipe Balbi
2010-05-18 13:59 ` James Bottomley
2010-05-19 6:59 ` Felipe Balbi
2010-05-19 20:42 ` Rafael J. Wysocki
2010-05-20 4:49 ` Felipe Balbi
2010-05-20 11:27 ` Vladimir Pantelic
2010-05-20 11:29 ` Felipe Balbi
2010-05-20 17:40 ` David Brownell
2010-05-20 18:50 ` Felipe Balbi
2010-05-20 23:08 ` David Brownell
2010-05-20 5:15 ` Florian Mickler
2010-05-20 8:57 ` Felipe Balbi
2010-05-20 8:57 ` Felipe Balbi
2010-05-20 10:05 ` [linux-pm] " Florian Mickler
2010-05-20 10:15 ` Felipe Balbi
2010-05-17 18:54 ` Kevin Hilman
2010-05-17 17:57 ` Daniel Walker
2010-05-15 20:14 ` Rafael J. Wysocki
2010-05-16 19:44 ` Mark Brown
2010-05-13 22:24 ` tytso
2010-05-13 20:36 ` Daniel Walker
2010-05-14 16:06 ` Kevin Hilman
2010-05-24 21:25 ` Pavel Machek
2010-05-13 21:41 ` Alan Stern
2010-05-13 21:54 ` Tony Lindgren
2010-05-13 22:07 ` Rafael J. Wysocki
2010-05-13 22:26 ` Arve Hjønnevåg
2010-05-13 21:14 ` Rafael J. Wysocki
2010-05-13 21:31 ` Tony Lindgren
2010-05-13 21:57 ` Rafael J. Wysocki
2010-05-13 21:37 ` Alan Stern
2010-05-13 21:47 ` Tony Lindgren
2010-05-13 22:01 ` Alan Stern
2010-05-13 22:08 ` Tony Lindgren
2010-05-13 22:28 ` Rafael J. Wysocki
2010-05-15 2:35 ` Alan Stern
2010-05-15 4:04 ` Arve Hjønnevåg
2010-05-13 22:04 ` [linux-pm] " Rafael J. Wysocki
2010-05-14 3:25 ` Magnus Damm
2010-05-14 16:18 ` Kevin Hilman
2010-05-15 2:47 ` Alan Stern
2010-05-24 21:24 ` Pavel Machek
[not found] ` <1272667021-21312-2-git-send-email-arve@android.com>
2010-05-13 19:01 ` [PATCH 1/8] PM: Add suspend block api Paul Walmsley
2010-05-14 20:05 ` Paul Walmsley
[not found] ` <87wrvl5479.fsf@deeprootsystems.com>
[not found] ` <20100503180741.GB2098@rakim.wolfsonmicro.main>
2010-05-14 17:39 ` [PATCH 0/8] Suspend block api (version 6) Paul Walmsley
[not found] ` <201005032318.35383.rjw@sisk.pl>
2010-05-14 20:02 ` Paul Walmsley
[not found] ` <87sk68r1zh.fsf@deeprootsystems.com>
[not found] ` <s2qd6200be21005031709r28420f0ezf3cf286517ee9114@mail.gmail.com>
2010-05-14 20:27 ` Paul Walmsley
2010-05-14 22:18 ` Arve Hjønnevåg
2010-05-15 2:25 ` Alan Stern
2010-05-15 4:02 ` Arve Hjønnevåg
2010-05-15 21:25 ` Alan Stern
2010-05-17 4:54 ` Arve Hjønnevåg
2010-05-18 2:26 ` Paul Walmsley
2010-05-18 3:21 ` Arve Hjønnevåg
2010-05-18 7:03 ` Henrik Rydberg
2010-05-18 19:39 ` Rafael J. Wysocki
2010-05-25 9:41 ` Paul Walmsley
2010-05-25 23:08 ` Arve Hjønnevåg
2010-05-26 7:23 ` Linus WALLEIJ
2010-05-26 16:01 ` Alan Stern
2010-05-27 7:46 ` Linus WALLEIJ
2010-05-27 8:04 ` Florian Mickler
2010-05-27 8:40 ` Arve Hjønnevåg
2010-05-27 15:33 ` Alan Stern
2010-05-28 11:54 ` Linus WALLEIJ
2010-05-20 23:37 ` David Brownell
2010-05-25 16:51 ` Dmitry Torokhov
2010-05-25 18:25 ` Alan Stern
2010-05-25 18:33 ` Dmitry Torokhov
2010-05-25 22:05 ` Arve Hjønnevåg
2010-05-25 22:28 ` Dmitry Torokhov
[not found] ` <20100504004338.GA22678@srcf.ucam.org>
2010-05-14 20:36 ` Paul Walmsley
[not found] ` <20100503215028.GB18910@srcf.ucam.org>
2010-05-14 20:20 ` Paul Walmsley
2010-05-14 20:32 ` Matthew Garrett
2010-05-14 22:32 ` Kevin Hilman
2010-05-14 22:37 ` Arve Hjønnevåg
2010-05-15 19:47 ` Rafael J. Wysocki
2010-05-15 19:55 ` Brian Swetland
2010-05-15 23:51 ` Rafael J. Wysocki
2010-05-16 0:31 ` Brian Swetland
2010-05-14 23:15 ` tytso
2010-05-15 19:52 ` Rafael J. Wysocki
2010-05-16 19:01 ` Mark Brown
2010-05-18 1:39 ` Paul Walmsley
2010-05-18 1:55 ` Matthew Garrett
2010-05-19 16:17 ` Paul Walmsley
2010-05-19 16:25 ` Matthew Garrett
2010-05-21 16:51 ` Paul Walmsley
2010-05-21 17:01 ` Paul Walmsley
2010-05-21 17:09 ` Matthew Garrett
2010-05-17 16:12 ` Kevin Hilman
2010-05-17 19:27 ` Vitaly Wool
2010-05-17 19:34 ` Matthew Garrett
2010-05-17 19:50 ` Daniel Walker
2010-05-17 20:00 ` Matthew Garrett
2010-05-17 20:02 ` Brian Swetland
2010-05-17 20:53 ` Linus WALLEIJ
2010-05-17 21:06 ` Matthew Garrett
2010-05-17 21:16 ` Linus WALLEIJ
2010-05-17 21:24 ` Matthew Garrett
2010-05-17 21:29 ` Daniel Walker
2010-05-17 21:35 ` Matthew Garrett
2010-05-17 21:39 ` Daniel Walker
2010-05-17 21:27 ` Kevin Hilman
2010-05-17 21:34 ` Matthew Garrett
2010-05-17 22:56 ` Kevin Hilman
2010-05-17 21:36 ` Brian Swetland
2010-05-18 2:40 ` tytso
2010-05-17 20:07 ` [linux-pm] " Mike Chan
2010-05-17 20:17 ` Vitaly Wool
2010-05-17 21:04 ` Mike Chan
2010-05-17 22:55 ` Kevin Hilman
2010-05-17 23:04 ` Brian Swetland
2010-05-17 20:15 ` Rafael J. Wysocki
2010-05-30 12:21 ` tytso
[not found] <Pine.LNX.4.44L0.1005031301400.1651-100000@iolanthe.rowland.org>
2010-05-14 17:22 ` Paul Walmsley
[not found] <Pine.LNX.4.44L0.1005040949060.1729-100000@iolanthe.rowland.org>
2010-05-14 20:53 ` Paul Walmsley
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