All of lore.kernel.org
 help / color / mirror / Atom feed
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.

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140630152526.GA4399@minantech.com \
    --to=gleb@kernel.org \
    --cc=bp@alien8.de \
    --cc=jan.kiszka@web.de \
    --cc=joro@8bytes.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=peterz@infradead.org \
    --cc=rostedt@goodmis.org \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.