linux-kernel - Re: [RFC] x86: xsave/xrstor support, ucontext

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Message-ID: <48361080.7020007@zytor.com>
Date:	Thu, 22 May 2008 17:32:00 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Chris Wright <chrisw@...s-sol.org>
CC:	Mikael Pettersson <mikpe@...uu.se>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Andi Kleen <andi@...stfloor.org>, mingo@...e.hu,
	tglx@...utronix.de, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, roland@...hat.com, drepper@...hat.com,
	Hongjiu.lu@...el.com, linux-kernel@...r.kernel.org,
	arjan@...ux.intel.com, rmk+lkml@....linux.org.uk, dan@...ian.org,
	asit.k.mallick@...el.com
Subject: Re: [RFC] x86: xsave/xrstor support, ucontext_t extensions

Chris Wright wrote:
> * Mikael Pettersson (mikpe@...uu.se) wrote:
>> Chris Wright writes:
>>> hmm, what implications?  cpuid is dealt with already.
>> By whom?
> 
> I was thinking specifically vmx non-root.

You're assuming the presence *and use* of VMX.

	-hpa
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