From: Gleb Natapov <gleb@kernel.org>
To: Borislav Petkov <bp@alien8.de>
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, "Jörg Rödel" <joro@8bytes.org>
Subject: Re: [PATCH] KVM: SVM: Fix CPL export via SS.DPL
Date: Mon, 30 Jun 2014 18:25:26 +0300 [thread overview]
Message-ID: <20140630152526.GA4399@minantech.com> (raw)
In-Reply-To: <20140630151544.GF4766@pd.tnic>
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:
> >
> > "When examining segment attributes after a #VMEXIT:
> > [...]
> > • Retrieve the CPL from the CPL field in the VMCB, not from any segment
> > DPL."
>
> Heey, it is even documented! :-P
>
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.
next prev parent reply other threads:[~2014-06-30 15:25 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-25 15:32 __schedule #DF splat Borislav Petkov
2014-06-25 20:26 ` Borislav Petkov
2014-06-27 10:18 ` Borislav Petkov
2014-06-27 11:41 ` Paolo Bonzini
2014-06-27 11:55 ` Borislav Petkov
2014-06-27 12:01 ` Paolo Bonzini
2014-06-27 12:10 ` Borislav Petkov
2014-06-28 11:44 ` Borislav Petkov
2014-06-29 6:46 ` Gleb Natapov
2014-06-29 9:56 ` Jan Kiszka
2014-06-29 10:24 ` Gleb Natapov
2014-06-29 10:31 ` Jan Kiszka
2014-06-29 10:53 ` Gleb Natapov
2014-06-29 10:59 ` Jan Kiszka
2014-06-29 11:51 ` Borislav Petkov
2014-06-29 12:22 ` Jan Kiszka
2014-06-29 13:14 ` Borislav Petkov
2014-06-29 13:42 ` Gleb Natapov
2014-06-29 14:01 ` Borislav Petkov
2014-06-29 14:27 ` Gleb Natapov
2014-06-29 14:32 ` Jan Kiszka
2014-06-29 14:51 ` Jan Kiszka
2014-06-29 15:12 ` [PATCH] KVM: SVM: Fix CPL export via SS.DPL Jan Kiszka
2014-06-29 18:00 ` Borislav Petkov
2014-06-30 15:01 ` Paolo Bonzini
2014-06-30 15:03 ` Jan Kiszka
2014-06-30 15:15 ` Borislav Petkov
2014-06-30 15:25 ` Gleb Natapov [this message]
2014-06-30 15:26 ` Paolo Bonzini
2014-06-29 13:46 ` __schedule #DF splat Borislav Petkov
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