linux-kernel - Re: [RFC] CPUID usage for interaction between Hypervisors and Linux.

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Date:	Sat, 04 Oct 2008 11:53:19 +0300
From:	Avi Kivity <avi@...hat.com>
To:	"Nakajima, Jun" <jun.nakajima@...el.com>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	"akataria@...are.com" <akataria@...are.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Gerd Hoffmann <kraxel@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Daniel Hecht <dhecht@...are.com>,
	Zach Amsden <zach@...are.com>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>
Subject: Re: [RFC] CPUID usage for interaction between Hypervisors	and	Linux.

Nakajima, Jun wrote:
> What's the significance of supporting multiple interfaces to the same guest simultaneously, i.e. _runtime_? We don't want the guests to run on such a literarily Frankenstein machine. And practically, such testing/debugging would be good only for Halloween :-).
>
>   

If you can only expose one interface, you need to have the user choose.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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