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xen-devel
[Xen-devel] Re: [PATCH] input/xen-fbfront: advertise either absolute or
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To: |
Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH] input/xen-fbfront: advertise either absolute or relative coordinates |
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From: |
Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> |
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Date: |
Tue, 15 Mar 2011 11:41:59 +0000 |
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Cc: |
Olaf Hering <olaf@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "linux-input@xxxxxxxxxxxxxxx" <linux-input@xxxxxxxxxxxxxxx> |
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Tue, 15 Mar 2011 04:43:09 -0700 |
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<20110315050024.GB1046@xxxxxxxxxxxxxxxxxxxxxx> |
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References: |
<alpine.DEB.2.00.1103111124400.2968@kaball-desktop> <20110313062411.GB31566@xxxxxxxxxxxxxxxxxxxxxx> <20110314100144.GA4572@xxxxxxxxx> <20110315050024.GB1046@xxxxxxxxxxxxxxxxxxxxxx> |
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Alpine 2.00 (DEB 1167 2008-08-23) |
On Tue, 15 Mar 2011, Dmitry Torokhov wrote:
> > Yes, as mentioned in the description above, using absolute coordinates in
> > the guests X11 is prefered because it avoids that the guest mouse
> > pointer gets out of sync with the host/desktop mouse pointer.
> > Very old Xen versions did not send absolute coordinates, but recent
> > versions do.
> >
>
> OK, as long as we have understanding that there is no concern with
> migrating to a version of hypervisor that does not support absolute
> coordinates reporting.
>
Absolute coordinates have been present in xenfb since years now, so I
don't think is a concern anymore.
> BTW, I believe the code should be rearranged a bit, like in the patch
> below (this way we do not set up abs params if device works in relative
> mode).
Looks fine, thanks!
Would you be OK with carrying this patch in your tree or do you want me
to add it to mine?
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