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Subject: Re: [linux-pm] windfarm got signal
From: Johannes Berg <johannes@sipsolutions.net>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
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Date: Thu, 22 Jun 2006 13:13:56 +0200
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On Thu, 2006-06-22 at 13:03 +0200, Rafael J. Wysocki wrote:
> > I think it's the way the freezer works ... it sends a pseudo signal to
> > all kernel threads who are then supposed to do something like test for
> > PF_FREEZE or something like that.
>=20
> Yes.  More precisely, they are supposed to use try_to_freeze().
>=20
> Please see Documentation/power/kernel_threads.txt.

Thanks, I'll look and submit a patch. It does try_to_freeze() but also
checks for pending signals.

johannes

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