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Re: [Xen-devel] [RFC] Disable xen platform device when it is not needed.

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [RFC] Disable xen platform device when it is not needed.
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Date: Mon, 23 Feb 2009 17:35:01 +0000
Cc: Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx>, "Tian, Kevin" <kevin.tian@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Kouya Shimura <kouya@xxxxxxxxxxxxxx>, James Harper <james.harper@xxxxxxxxxxxxxxxx>
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Keir Fraser writes ("Re: [Xen-devel] [RFC] Disable xen platform device when it 
is not needed."):
> On 23/02/2009 08:43, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> wrote:
> > How will this interact with the `disable qemu PCI devices in HVM
> > domains' feature, which also uses ioport 0x10 ?
> 
> That feature implements WORD and DWORD ports at address 0x10, but leaves the
> BYTE port at that address available for other uses.

Ah, err, yes.  Ugh.  Maybe a table of uses of ioports 0x10 (and 0x12!)
would be a sensible addition to xen-unstable.hg/doc/ somewhere.

Ian.

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