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Date:	Thu, 4 Feb 2010 23:19:22 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	NetDev <netdev@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Ciprian Dorin Craciun <ciprian.craciun@...il.com>,
	Greg KH <gregkh@...e.de>
Subject: Re: [PATCH] Net / pktgen: Fix freezing problem

On Thursday 04 February 2010, Andrew Morton wrote:
> On Thu, 4 Feb 2010 22:50:58 +0100 "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> 
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > Subject: Net / pktgen: Fix freezing problem
> > 
> > Add missing try_to_freeze() to one of the pktgen_thread_worker() code
> > paths so that it doesn't block suspend/hibernation.
> > 
> > Fixes http://bugzilla.kernel.org/show_bug.cgi?id=15006
> > 
> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> > Reported-and-tested-by: Ciprian Dorin Craciun <ciprian.craciun@...il.com>
> > ---
> >  net/core/pktgen.c |    1 +
> >  1 file changed, 1 insertion(+)
> > 
> > Index: linux-2.6/net/core/pktgen.c
> > ===================================================================
> > --- linux-2.6.orig/net/core/pktgen.c
> > +++ linux-2.6/net/core/pktgen.c
> > @@ -3524,6 +3524,7 @@ static int pktgen_thread_worker(void *ar
> >  			wait_event_interruptible_timeout(t->queue,
> >  							 t->control != 0,
> >  							 HZ/10);
> > +			try_to_freeze();
> >  			continue;
> >  		}
> >  
> 
> Also needed in -stable, IMO.

Indeed.
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