From: Gleb Natapov <gleb@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: mtosatti@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCH] KVM: x86 emulator mark VMMCALL and LMSW as privileged
Date: Sun, 7 Mar 2010 10:56:27 +0200 [thread overview]
Message-ID: <20100307085627.GP16909@redhat.com> (raw)
In-Reply-To: <4B93695A.1030906@redhat.com>
On Sun, Mar 07, 2010 at 10:52:42AM +0200, Avi Kivity wrote:
> On 03/07/2010 10:46 AM, Gleb Natapov wrote:
> >On Sun, Mar 07, 2010 at 10:45:47AM +0200, Avi Kivity wrote:
> >>On 03/03/2010 05:53 PM, Gleb Natapov wrote:
> >>>LMSW is present in both group tables. It was marked privileged only in
> >>>one of them. Intel analog of VMMCALL is already marked privileged.
> >>>
> >>Both VMCALL and VMMCALL are unprivileged.
> >>
> >But _we_ do not allow them in CPL!=0.
>
> Then that should be done outside the emulator.
>
As long as KVM is the only user of the emulator it doesn't matter.
--
Gleb.
prev parent reply other threads:[~2010-03-07 8:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-03 15:53 [PATCH] KVM: x86 emulator mark VMMCALL and LMSW as privileged Gleb Natapov
2010-03-07 8:45 ` Avi Kivity
2010-03-07 8:46 ` Gleb Natapov
2010-03-07 8:52 ` Avi Kivity
2010-03-07 8:56 ` Gleb Natapov [this message]
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