From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@kernel.org>
Subject: Re: [PATCH] KVM: SVM: Fix CPL export via SS.DPL
Date: Mon, 30 Jun 2014 18:25:26 +0300
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Cc: Jan Kiszka <jan.kiszka@web.de>,
	Paolo Bonzini <pbonzini@redhat.com>,
	lkml <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>, x86-ml <x86@kernel.org>,
	kvm@vger.kernel.org, =?utf-8?B?SsO2cmcgUsO2ZGVs?= <joro@8bytes.org>
To: Borislav Petkov <bp@alien8.de>
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On Mon, Jun 30, 2014 at 05:15:44PM +0200, Borislav Petkov wrote:
> On Mon, Jun 30, 2014 at 05:03:57PM +0200, Jan Kiszka wrote:
> > 15.5.1:
> >=20
> > "When examining segment attributes after a #VMEXIT:
> > [...]
> > =95 Retrieve the CPL from the CPL field in the VMCB, not from any s=
egment
> > DPL."
>=20
> Heey, it is even documented! :-P
>=20
Yes, on SVM we should always respect this field. Unfortunately there
is no such field in VMX, so we have to do DPL gymnastics there.

--
			Gleb.