linux-kernel - Re: Merge Xen (the hypervisor) into Linux

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Message-ID: <4A262F4B.8010404@tramnitz.com>
Date:	Wed, 03 Jun 2009 10:07:39 +0200
From:	Christian Tramnitz <christian@...mnitz.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Steven Rostedt <rostedt@...dmis.org>,
	George Dunlap <george.dunlap@...citrix.com>,
	David Miller <davem@...emloft.net>,
	"jeremy@...p.org" <jeremy@...p.org>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	"avi@...hat.com" <avi@...hat.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Keir Fraser <Keir.Fraser@...citrix.com>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"gregkh@...e.de" <gregkh@...e.de>,
	"kurt.hackel@...cle.com" <kurt.hackel@...cle.com>,
	Ian Pratt <Ian.Pratt@...citrix.com>,
	"xen-users@...ts.xensource.com" <xen-users@...ts.xensource.com>,
	ksrinivasan <ksrinivasan@...ell.com>,
	"EAnderson@...ell.com" <EAnderson@...ell.com>,
	"wimcoekaerts@...mekes.net" <wimcoekaerts@...mekes.net>,
	Stephen Spector <stephen.spector@...rix.com>,
	jens.axboe@...cle.com
Subject: Re: Merge Xen (the hypervisor) into Linux

Ingo Molnar wrote:
> A lot of Xen legacies could be dropped: the crazy ring1 hack on 
> 32-bit, the various wide interfaces to make pure-software 
> virtualization limp along. All major CPUs shipped with hardware 
> virtualization support in the past 2-3 years, so the availability of 
> VMX and SVM can be taken for granted for such a project.

What a great idea, and while we're doing this let's also drop support
for legacy stuff like PATA and i8042 in mainline. Noone will need it
anyway because their successors are on the market for years... let's
just take it for granted that everyone is using SATA and USB nowadays!


Best regards,
   Christian

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