From: Mark Brown <broonie@opensource.wolfsonmicro.com> To: Stephen Rothwell <sfr@canb.auug.org.au> Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Len Brown <len.brown@intel.com>, Alan Stern <stern@rowland.harvard.edu>, linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-embedded@vger.kernel.org, ppc-dev <linuxppc-dev@lists.ozlabs.org> Subject: Re: [PATCH] PM: Hide CONFIG_PM from users Date: Mon, 7 Feb 2011 14:50:31 +0000 [thread overview] Message-ID: <20110207145031.GL10564@opensource.wolfsonmicro.com> (raw) In-Reply-To: <20110208014432.2c9288e4.sfr@canb.auug.org.au> On Tue, Feb 08, 2011 at 01:44:32AM +1100, Stephen Rothwell wrote: > On Mon, 7 Feb 2011 14:18:29 +0000 Mark Brown <broonie@opensource.wolfsonmicro.com> wrote: > > Do you mean that these systems require CONFIG_PM be turned off, or just > > that people tend not to turn it on? If the latter would you expect any > > ill effects from doing so? > I don't know the answer to either question without testing. All I am > saying is that currently the default for CONFIG_PM is "off" and you are > changing it to be "on" and there may not have been any testing done of > that in some situations. We don't know where it was explicitly > turned off any more since we shrank our defconfig files (which was done > automatically) ... since it is off by default, it doesn't need to be > mentioned in a defconfig unless it needs to be turned on. My suspicion would be that it'll have been turned off by someone hitting return through a config upgrade rather than through deliberate effort. On the other hand if it is essential for some machines to have it disabled they probably want to have somethnig in Kconfig.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@opensource.wolfsonmicro.com> To: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Len Brown <len.brown@intel.com>, linux-embedded@vger.kernel.org, Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>, Alan Stern <stern@rowland.harvard.edu>, linux-pm@lists.linux-foundation.org, ppc-dev <linuxppc-dev@lists.ozlabs.org>, Andrew Morton <akpm@linux-foundation.org> Subject: Re: [PATCH] PM: Hide CONFIG_PM from users Date: Mon, 7 Feb 2011 14:50:31 +0000 [thread overview] Message-ID: <20110207145031.GL10564@opensource.wolfsonmicro.com> (raw) In-Reply-To: <20110208014432.2c9288e4.sfr@canb.auug.org.au> On Tue, Feb 08, 2011 at 01:44:32AM +1100, Stephen Rothwell wrote: > On Mon, 7 Feb 2011 14:18:29 +0000 Mark Brown <broonie@opensource.wolfsonmicro.com> wrote: > > Do you mean that these systems require CONFIG_PM be turned off, or just > > that people tend not to turn it on? If the latter would you expect any > > ill effects from doing so? > I don't know the answer to either question without testing. All I am > saying is that currently the default for CONFIG_PM is "off" and you are > changing it to be "on" and there may not have been any testing done of > that in some situations. We don't know where it was explicitly > turned off any more since we shrank our defconfig files (which was done > automatically) ... since it is off by default, it doesn't need to be > mentioned in a defconfig unless it needs to be turned on. My suspicion would be that it'll have been turned off by someone hitting return through a config upgrade rather than through deliberate effort. On the other hand if it is essential for some machines to have it disabled they probably want to have somethnig in Kconfig.
next prev parent reply other threads:[~2011-02-07 14:50 UTC|newest] Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-02-07 12:22 [PATCH] PM: Hide CONFIG_PM from users Mark Brown 2011-02-07 12:40 ` Geert Uytterhoeven 2011-02-07 13:26 ` Mark Brown 2011-02-07 13:26 ` Mark Brown 2011-02-07 12:40 ` Geert Uytterhoeven 2011-02-07 12:48 ` Ingo Molnar 2011-02-07 12:48 ` Ingo Molnar 2011-02-07 13:09 ` Mark Brown 2011-02-07 13:09 ` Mark Brown 2011-02-07 14:13 ` Stephen Rothwell 2011-02-07 14:13 ` Stephen Rothwell 2011-02-07 14:13 ` Stephen Rothwell 2011-02-07 14:18 ` Mark Brown 2011-02-07 14:18 ` Mark Brown 2011-02-07 14:44 ` Stephen Rothwell 2011-02-07 14:44 ` Stephen Rothwell 2011-02-07 14:44 ` Stephen Rothwell 2011-02-07 14:50 ` Mark Brown 2011-02-07 14:50 ` Mark Brown [this message] 2011-02-07 14:50 ` Mark Brown 2011-02-07 15:00 ` Geert Uytterhoeven 2011-02-07 15:00 ` Geert Uytterhoeven 2011-02-07 15:00 ` Geert Uytterhoeven 2011-02-07 15:00 ` Geert Uytterhoeven 2011-02-07 15:10 ` Stephen Rothwell 2011-02-07 15:10 ` Stephen Rothwell 2011-02-07 15:10 ` Stephen Rothwell 2011-02-07 15:19 ` Stephen Rothwell 2011-02-07 15:19 ` Stephen Rothwell 2011-02-07 15:19 ` Stephen Rothwell 2011-02-07 15:21 ` Mark Brown 2011-02-07 15:21 ` Mark Brown 2011-02-07 15:21 ` Mark Brown 2011-02-07 15:36 ` Alan Stern 2011-02-07 15:36 ` Alan Stern 2011-02-07 15:36 ` Alan Stern 2011-02-07 15:36 ` Alan Stern 2011-02-07 15:49 ` Mark Brown 2011-02-07 15:49 ` Mark Brown 2011-02-07 15:49 ` Mark Brown 2011-02-07 19:16 ` Rafael J. Wysocki 2011-02-07 19:16 ` Rafael J. Wysocki 2011-02-07 19:16 ` Rafael J. Wysocki 2011-02-08 1:17 ` Ray Lee 2011-02-08 1:17 ` Ray Lee 2011-02-08 1:17 ` Ray Lee 2011-02-08 11:18 ` Mark Brown 2011-02-08 11:18 ` Mark Brown 2011-02-08 11:18 ` Mark Brown 2011-02-07 14:18 ` Mark Brown 2011-02-07 14:13 ` Stephen Rothwell 2011-02-07 19:14 ` Rafael J. Wysocki 2011-02-07 19:30 ` Mark Brown 2011-02-07 19:30 ` Mark Brown 2011-02-07 19:46 ` Rafael J. Wysocki 2011-02-07 19:46 ` Rafael J. Wysocki 2011-02-07 20:18 ` Mark Brown 2011-02-07 20:18 ` Mark Brown 2011-02-07 21:15 ` Rafael J. Wysocki 2011-02-07 21:15 ` Rafael J. Wysocki 2011-02-07 21:47 ` Dmitry Torokhov 2011-02-07 22:00 ` Rafael J. Wysocki 2011-02-07 22:23 ` Dmitry Torokhov 2011-02-07 22:23 ` Dmitry Torokhov 2011-02-07 23:05 ` Rafael J. Wysocki 2011-02-07 23:05 ` Rafael J. Wysocki 2011-02-08 0:50 ` Dmitry Torokhov 2011-02-08 0:50 ` Dmitry Torokhov 2011-02-08 9:23 ` Rafael J. Wysocki 2011-02-08 9:23 ` Rafael J. Wysocki 2011-02-08 16:48 ` Paul Mundt 2011-02-08 16:48 ` Paul Mundt 2011-02-07 22:00 ` Rafael J. Wysocki 2011-02-07 21:47 ` Dmitry Torokhov 2011-02-08 12:12 ` Mark Brown 2011-02-08 12:12 ` Mark Brown 2011-02-08 12:21 ` [PATCH] Remove CONFIG_PM altogether, enable power management all the time Ingo Molnar 2011-02-08 12:21 ` Ingo Molnar 2011-02-08 21:18 ` [PATCH 0/5] " Rafael J. Wysocki 2011-02-08 21:18 ` Rafael J. Wysocki 2011-02-08 21:20 ` [PATCH 1/5] ACPI / PM: Move references to pm_flags into sleep.c Rafael J. Wysocki 2011-02-08 23:40 ` Linus Torvalds 2011-02-08 23:40 ` Linus Torvalds 2011-02-09 0:37 ` Rafael J. Wysocki 2011-02-09 0:37 ` Rafael J. Wysocki 2011-02-09 1:04 ` Linus Torvalds 2011-02-09 1:04 ` Linus Torvalds 2011-02-08 21:20 ` Rafael J. Wysocki 2011-02-08 21:21 ` [PATCH 2/5] PM: Make CONFIG_PM depend on (CONFIG_PM_SLEEP || CONFIG_PM_RUNTIME) Rafael J. Wysocki 2011-02-08 21:21 ` Rafael J. Wysocki 2011-02-08 21:21 ` Rafael J. Wysocki 2011-02-08 21:21 ` [PATCH 3/5] PM: Reorder power management Kconfig options Rafael J. Wysocki 2011-02-08 21:21 ` Rafael J. Wysocki 2011-02-08 21:22 ` [PATCH 4/5] PM: Replace CONFIG_PM_OPS with CONFIG_PM Rafael J. Wysocki 2011-02-08 21:22 ` Rafael J. Wysocki 2011-02-08 21:23 ` [PATCH 5/5] PM: Clean up Kconfig dependencies Rafael J. Wysocki 2011-02-08 21:23 ` Rafael J. Wysocki 2011-02-08 23:43 ` Linus Torvalds 2011-02-08 23:43 ` Linus Torvalds 2011-02-10 23:32 ` [Updated][PATCH 5/5] PM: Clean up PM_TRACE dependencies and drop unnecessary Kconfig option Rafael J. Wysocki 2011-02-10 23:32 ` Rafael J. Wysocki 2011-02-08 23:35 ` [PATCH] Remove CONFIG_PM altogether, enable power management all the time Frank Rowand 2011-02-08 23:35 ` Frank Rowand 2011-02-08 23:35 ` Frank Rowand 2011-02-09 11:41 ` Mark Brown 2011-02-09 11:41 ` Mark Brown 2011-02-09 11:58 ` Mark Brown 2011-02-09 11:58 ` Mark Brown 2011-02-09 17:07 ` Rafael J. Wysocki 2011-02-09 17:07 ` Rafael J. Wysocki 2011-02-09 18:31 ` Frank Rowand 2011-02-09 18:31 ` Frank Rowand 2011-02-09 18:40 ` Mark Brown 2011-02-09 18:40 ` Mark Brown 2011-02-09 19:00 ` Frank Rowand 2011-02-09 19:25 ` Mark Brown 2011-02-09 19:53 ` Tim Bird 2011-02-09 19:53 ` Tim Bird 2011-02-09 19:59 ` Mark Brown 2011-02-09 19:59 ` Mark Brown 2011-02-09 20:09 ` Alan Stern 2011-02-09 20:09 ` Alan Stern 2011-02-09 20:10 ` Mark Brown 2011-02-09 20:10 ` Mark Brown 2011-02-09 19:25 ` Mark Brown 2011-02-09 19:00 ` Frank Rowand 2011-02-08 23:35 ` Tim Bird 2011-02-09 2:41 ` Ingo Molnar 2011-02-09 2:41 ` Ingo Molnar 2011-02-08 23:35 ` Tim Bird 2011-02-07 19:14 ` [PATCH] PM: Hide CONFIG_PM from users Rafael J. Wysocki 2011-02-08 2:52 ` Frank Rowand 2011-02-08 2:52 ` Frank Rowand 2011-02-08 2:52 ` Frank Rowand 2011-02-08 14:15 ` Mark Brown 2011-02-08 14:15 ` Mark Brown 2011-02-08 14:29 ` Pavel Machek 2011-02-08 14:29 ` Pavel Machek 2011-02-07 12:22 Mark Brown
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