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Re: [Qemu-devel] [PATCH 0/6] Add UUID command-line option

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH 0/6] Add UUID command-line option
Date: Mon, 25 Aug 2008 09:22:54 -0500
User-agent: Thunderbird (X11/20080723)

Avi Kivity wrote:
Blue Swirl wrote:
On 8/24/08, Avi Kivity <address@hidden> wrote:
UUID can be used in all machines, so it would be nice if the interface
was same. I don't see much benefit in vmport compared to ROM solution.

Maybe UUID is generic but the vast majority of things that need to communicate to qemu will be arch specific.

Because it's not an interface we control. VMware automatically upgrades their tool chain and doesn't support backwards compatibility in their tools. They're completely free to change the semantics of the interface.

This could really cause confusion within guests. It's one thing to implement vmport based ops when there is existing guest software that we can get working but I think it's not a great idea to write new guest software that's QEMU specific using an interface that we have no control over.


Anthony Liguori

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