linux-kernel - Re: [Xen-devel] [PATCH] [PV Xen] Mouse stuck after save/restore of guest.

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Date:	Fri, 15 Apr 2011 11:37:38 +0200
From:	Olaf Hering <olaf@...fle.de>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	dtor@...l.ru, linux-kernel@...r.kernel.org,
	Igor Mammedov <imammedo@...hat.com>,
	xen-devel@...ts.xensource.com
Subject: Re: [Xen-devel] [PATCH] [PV Xen] Mouse stuck after save/restore of
 guest.

On Thu, Apr 14, Konrad Rzeszutek Wilk wrote:

> On Thu, Apr 14, 2011 at 07:26:50PM +0200, Olaf Hering wrote:
> > On Thu, Apr 14, Konrad Rzeszutek Wilk wrote:
> > 
> > > On Thu, Apr 14, 2011 at 05:45:07PM +0200, Igor Mammedov wrote:
> > > >     Mouse stuck after restore of PV guest but buttons are
> > > >     in working condition.
> > > >     If driver has been configured for ABS coordinates at
> > > >     start it will get XENKBD_TYPE_POS events and then
> > > >     suddenly after restore it'll start getting
> > > >     XENKBD_TYPE_MOTION events, that will be dropped later
> > > >     and they won't get into user-space.
> > > > 
> > > >     Regression was introduced by hunk 5 and 6 of 5ea5254
> > > >     in upstream.
> > > > 
> > > >     Driver on restore should ask xen for request-abs-pointer
> > > >     again if it's available. So restore parts that did it 
> > > >     before 5ea5254.
> > > 
> > > Olaf?
> > 
> > This change is correct. Thanks for spotting, Igor.
> 
> Dmitry,
> 
> Was wondering if you are OK pushing this for 2.6.39-rc3 or whether you are OK
> with me doing. It fixes a regression introduced by the last hunk of 
> 5ea5254aa0ad269cfbd2875c973ef25ab5b5e9db

Looking through my backlog, I noticed that the patch went also to
stable@...nel.org and is now in various trees already.
So please forward this revert also to stable@...e.de

Olaf
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