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Re: [Xen-devel] [PATCH 4 of 5] libxl: Add support for passing in the mac

To: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 4 of 5] libxl: Add support for passing in the machine's E820 for PCI passthrough
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Fri, 8 Apr 2011 10:34:52 -0400
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, "keir.fraser@xxxxxxxxxxxxx" <keir.fraser@xxxxxxxxxxxxx>
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On Fri, Apr 08, 2011 at 03:25:36PM +0100, Tim Deegan wrote:
> At 15:17 +0100 on 08 Apr (1302275848), Ian Campbell wrote:
> > > That's a _horrible_ config syntax.
> > 
> > fair enough. I thought it nicely represented the "has an empty PCI bus"
> > myself...
> Sure, but it's really not obvious that that means "has a memory layout
> that matches the host on which it was last booted".
> > >   We should either do this for all
> > > guests or give it its own option (which can default to 1 for guests with
> > > non-empty passthrough lists if you like). 
> > 
> > Ack, if it's an option it should definitely default to on for non-empty
> > pci passthrough lists. I think we can probably get away with default on
> > always though and allow it to be explicitly disabled. That's really just
> > a case of trying on a few PV OSes and seeing how much they barf...
> Agreed.  My guess is there won't be any trouble. 

Whoa. I just booted an SLES11 32 bit and it booted so nicely :-)

Time to try out some RHEL guests.

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