From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: linux-pm@lists.linux-foundation.org
Subject: Re: Question about process freezing
Date: Wed, 21 Nov 2007 14:58:07 +0100 [thread overview]
Message-ID: <200711211458.08243.rjw@sisk.pl> (raw)
In-Reply-To: <4743E252.2010805@gmail.com>
On Wednesday, 21 of November 2007, Franck Bui-Huu wrote:
> Alan Stern wrote:
> > On Tue, 20 Nov 2007, Franck Bui-Huu wrote:
> >> Instead of freezing every single user land processes by sending them a
> >> fake signal and waiting for them to go to the refrigerator, why not
> >> freezing the scheduler ?
> >
> > Because processes can't simply be frozen immediately. They need to
> > have a chance to release any important locks or mutexes they may be
> > holding.
> >
>
> You mean any locks held by a frozen process and needed by the suspend
> code path ?
Yes.
Regards,
Rafael
next prev parent reply other threads:[~2007-11-21 13:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-20 9:11 Question about process freezing Franck Bui-Huu
2007-11-20 15:37 ` Alan Stern
2007-11-21 7:46 ` Franck Bui-Huu
2007-11-21 13:58 ` Rafael J. Wysocki [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-12-11 2:05 question " Bob YANG
2006-12-11 20:33 ` Rafael J. Wysocki
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