Subject: Re: beeping patch for debugging acpi sleep
From: Nigel Cunningham <nigel@nigel.suspend2.net>
Reply-To: nigel@nigel.suspend2.net
To: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
       Andrew Morton <akpm@linux-foundation.org>,
       Christian Leber <christian@leber.de>,
       kernel list <linux-kernel@vger.kernel.org>
In-Reply-To: <20070613082448.GH13747@elf.ucw.cz>
References: <20070518213701.GA810@core>
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	 <1181601771.5064.2.camel@nigel.suspend2.net>
	 <200706121411.56016.rjw@sisk.pl>
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	 <20070613082448.GH13747@elf.ucw.cz>
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Date: Wed, 13 Jun 2007 21:32:33 +1000
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Hi.

On Wed, 2007-06-13 at 10:24 +0200, Pavel Machek wrote:
> Hi!
>=20
> > > > Wouldn't it be much more useful if it was unconditionally compiled =
in
> > > > and controlled instead by a sysfs entry? That way it will be far mo=
re
> > > > useful to $user who doesn't know or want to know how to compile and
> > > > install a kernel, but wants to do what they can to get provide help=
ful
> > > > debugging info and perhaps even get it going.
> > >=20
> > > I like this idea.
> > >=20
> > > > Yes, Pavel, I'll supply a patch if you (plural) agree.
> > >=20
> > > I agree.  :-)
> >=20
> > Ok. I'll take Pavel's silence as agreement too. I'll be a little slow
> > (as usual, nowadays!), but will try to get it done next week. I think I
> > can in clear conscience do it on Redhat time if I don't manage it
> > beforehand.
>=20
> Well, everyone wants it so what can I do... Stefan basically posted 3
> liner to do that, and that one will probably work... so just test it.

As he admitted, it's a quick and dirty hack. I'd like to try something
nicer.

> Oh, and please keep the macro, so it can be moved around .S file for
> finding out where it crashes.

Are there other points you'd like to nominate? It would defeat the logic
for implementing a nice interface if you still have to recompile your
kernel to test beeping in another place.

Regards,

Nigel

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