linux-kernel - Re: [linux-pm] [PATCH 1/8] PM: Add suspend block api.

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Date:	Fri, 7 May 2010 20:33:53 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Daniel Walker <dwalker@...o99.com>,
	Brian Swetland <swetland@...gle.com>,
	Alan Stern <stern@...land.harvard.edu>,
	mark gross <mgross@...ux.intel.com>, markgross@...gnar.org,
	Len Brown <len.brown@...el.com>, linux-doc@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Oleg Nesterov <oleg@...hat.com>, Tejun Heo <tj@...nel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [linux-pm] [PATCH 1/8] PM: Add suspend block api.

On Fri, May 07, 2010 at 12:28:37PM -0700, Tony Lindgren wrote:
> * Daniel Walker <dwalker@...o99.com> [100507 12:01]:
> > On Fri, 2010-05-07 at 19:46 +0100, Matthew Garrett wrote:
> > > Freezer cgroups would work better, but it doesn't really change the 
> > > point - if that application has an open network socket, how do you know 
> > > to resume that application when a packet comes in?
> 
> No idea, but that still sounds a better situation to me than
> trying to deal with that for a suspended system! :)

Suspend blocks deal with that problem. Nobody has yet demonstrated a 
workable alternative solution.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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