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Re: [Xen-devel] [PATCH] Fix etherboot option ROM loading

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Fix etherboot option ROM loading
From: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
Date: Tue, 29 Jun 2010 13:39:45 +0100
Cc: Deegan <Tim.Deegan@xxxxxxxxxxxxx>, Tim, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, 2010-06-29 at 13:24 +0100, Keir Fraser wrote:
> On 29/06/2010 13:01, "Gianni Tedesco (3P)" <gianni.tedesco@xxxxxxxxxx>
> wrote:
> 
> > Ideally we want 1 ROM with support for both chipsets and therefore all
> > known variants of those chipsets. That would allow for HVM's with card
> > of multiple types. But not figured out how to get gPXE to play like that
> > yet.
> 
> One issue here is that a 'mega ROM' may not fit in the option ROM space.

True if it were really "mega" but if it were just the 2 drivers we build
ROM's for anyway it's still in a similar ballpark. eg. 65KB -> 89KB...
Anyway, probably better to avoid cluttering the space unnecessarily.

The only upside to this is to have that nice swish gPXE gui be able to
use all available cards, select which one to boot from etc...


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