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xen-ia64-devel

Re: [Xen-ia64-devel] Should we give up transparent virtualization ?

To: "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] Should we give up transparent virtualization ?
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Wed, 31 May 2006 09:39:53 +0200
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Le Mardi 30 Mai 2006 17:41, Magenheimer, Dan (HP Labs Fort Collins) a écrit :
> Transparent paravirtualization has little value to developers
> or technology providers but definitely has value for distros
> and software/system/support providers.  Note for example
> that Vmware's PVI (for x86) has transparent paravirtualization
> because Vmware (the largest provider in the world of
> virtualization software) considers it valuable.
I think it is also valuable for binary only device drivers.  If we want those 
drivers for xenolinux, it is a big plus.
[ I don't know if there are binary devices drivers for ia64, but there exist 
at least for ia32].

>
> My opinion: we should NOT give up this feature.  The
> recent VP patches are critical to catching up with
> Xen/x86 functionality so we have to accept some short
> term minor regressions for this.  I think all other
> patches (including event channel) should not be accepted
> if they break transparent paravirtualization.
Too late for event channel ;-)

Tristan.

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