linux-kernel - Re: + serial-turn-serial-console-suspend-a-boot-rather-than-compile-time-option.patch added to -mm tree

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Message-Id: <200708142058.38314.rjw@sisk.pl>
Date:	Tue, 14 Aug 2007 20:58:37 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	Pavel Machek <pavel@....cz>, akpm@...ux-foundation.org,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: + serial-turn-serial-console-suspend-a-boot-rather-than-compile-time-option.patch added to -mm tree

On Tuesday, 14 August 2007 20:44, Andres Salomon wrote:
> On Tue, 14 Aug 2007 20:23:23 +0200
> "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> 
> > On Tuesday, 14 August 2007 12:39, Pavel Machek wrote:
> > > Hi!
> > > 
> > > > Thanks, updated below!
> > > > 
> > > > 
> > > > 
> > > > serial: turn serial console suspend a boot rather than compile time option
> > > > 
> > > > From: Andres Salomon <dilinger@...ian.org>
> > > > 
> > > > Currently, there's a CONFIG_DISABLE_CONSOLE_SUSPEND that allows one to stop
> > > > the serial console from being suspended when the rest of the machine goes
> > > > to sleep.  This is incredibly useful for debugging power
> > > > management-related
> > > 
> > > Actually, this should not be configurable. We should simply enable
> > > console during suspend for consoles that can handle this,
> > > automatically.... this patch does just that. I hope I separated it
> > > correctly.
> 
> 
> I disagree.  I expect that this will break things; I would prefer to keep
> it as a configuration option.  If you want to enable it by default, that's
> one thing; but give users the option to turn it off.

Hm, I think this can be combined with your patch:

(1) add a command line parameter that will turn the suspending of consoles on
(2) add a switch that will disable the thing regardless of (1) if netconsole is
    enabled (like in the Pavel's patch).

Greetings,
Rafael
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