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[Xen-devel] Re: [RFC, PATCH 0/24] VMI i386 Linux virtualization interface proposal
- To: Zachary Amsden <zach@xxxxxxxxxx>
- From: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
- Date: Mon, 13 Mar 2006 19:42:44 +0100
- Cc: Andrew Morton <akpm@xxxxxxxx>, Joshua LeVasseur <jtl@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Pratap Subrahmanyam <pratap@xxxxxxxxxx>, Wim Coekaerts <wim.coekaerts@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxx>, Jack Lo <jlo@xxxxxxxxxx>, Dan Hecht <dhecht@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Christopher Li <chrisl@xxxxxxxxxx>, Virtualization Mailing List <virtualization@xxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxx>, Anne Holler <anne@xxxxxxxxxx>, Jyothy Reddy <jreddy@xxxxxxxxxx>, Kip Macy <kmacy@xxxxxxxxxxx>, Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, Leendert van Doorn <leendert@xxxxxxxxxxxxxx>, Dan Arai <arai@xxxxxxxxxx>
- Delivery-date: Tue, 14 Mar 2006 09:37:19 +0000
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
On Mon, 2006-03-13 at 10:30 -0800, Zachary Amsden wrote:
> Arjan van de Ven wrote:
> >> The interface we propose we
> >> believe is more powerful, and more conducive to performance
> >> optimizations while providing significant advantages - most
> >> specifically, a single binary image that is properly virtualizable on
> >> multiple hypervisors and capable of running on native hardware.
> > that is mostly an advantage in the binary would though.. less so in the
> > open source world.
> It is an advantage for everyone. It cuts support and certification
> costs for Linux distributors,
that I'll buy
> software vendors,
that I'll buy a lot less except those with kernel modules (which is
> makes debugging and
> development easier,
that I don't buy; a fixed interface tends to make debugging harder not
easier since you can't change it to add more information
> and gives hypervisors room to grow while maintaining
> binary compatibility with already released kernels.
that I buy for binary only hypervisors. But in an open source world I'll
buy this a LOT less as being relevant.
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