linux-kernel - Re: apm emulation driver broken ?

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Message-Id: <200711161720.50313.rjw@sisk.pl>
Date:	Fri, 16 Nov 2007 17:20:49 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Franck Bui-Huu" <vagabon.xyz@...il.com>
Cc:	linux-pm@...ts.linux-foundation.org,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: apm emulation driver broken ?

Hi,

On Friday, 16 of November 2007, Franck Bui-Huu wrote:
> Rafael,
> 
> Looking at commit:
> 
> 	831441862956fffa17b9801db37e6ea1650b0f69
> 	Freezer: make kernel threads nonfreezable by default
> 
> it seems that you broke the apm emulation driver.
> 
> You removed PF_NOFREEZE flag setting in apm_ioctl(), which is
> definitely not part of the apm kernel daemon but instead is called by
> user space proccesses...

Yes ...

> I'm just reading this code for the first time so I can be wrong but it
> looks like it's not going to work anymore.
> 
> Could you confirm ?

Well, no, AFAICS.

The freezer doesn't regard the current task as freezable.

Greetings,
Rafael
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