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From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Avi Kivity <avi@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>, <kvm@vger.kernel.org>,
	<mtosatti@redhat.com>
Subject: Re: [PATCH 2/2] Provide fast path for "rep ins" emulation if possible.
Date: Thu, 24 May 2012 12:34:57 +0200	[thread overview]
Message-ID: <20120524103457.GK2604@amd.com> (raw)
In-Reply-To: <4FBCF8FB.6050308@redhat.com>

On Wed, May 23, 2012 at 05:49:31PM +0300, Avi Kivity wrote:
> On 05/23/2012 05:40 PM, Avi Kivity wrote:
> > On 05/23/2012 05:08 PM, Gleb Natapov wrote:
> > If decode assists are not available, we still need to emulate, see 15.33.5.
> > 
> 
> Joerg, the 2010 version of the manual says that the effective segment
> (10:12) is only available with decode assists.  The 2012 version says
> it's unconditional. What's correct?

It is still conditional and only available with decode-assists. I will
talk to the APM authors to clarify this in the documentation.


	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632


  reply	other threads:[~2012-05-24 10:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-23 14:08 [PATCH 0/2] improve speed of "rep ins" emulation Gleb Natapov
2012-05-23 14:08 ` [PATCH 1/2] Provide userspace IO exit completion callback Gleb Natapov
2012-05-23 14:08 ` [PATCH 2/2] Provide fast path for "rep ins" emulation if possible Gleb Natapov
2012-05-23 14:40   ` Avi Kivity
2012-05-23 14:49     ` Avi Kivity
2012-05-24 10:34       ` Roedel, Joerg [this message]
2012-05-24 10:36         ` Avi Kivity
2012-05-24 10:54           ` Roedel, Joerg
2012-06-05 17:27             ` Alexander Graf
2012-06-05 17:36               ` Gleb Natapov
2012-06-05 17:41                 ` Alexander Graf
2012-06-05 17:50                   ` Gleb Natapov
2012-06-05 18:17                     ` Gleb Natapov
2012-06-05 17:57                   ` Gleb Natapov
2012-06-06  9:28                     ` Roedel, Joerg
2012-06-05 16:07   ` Avi Kivity
2012-06-05 17:19     ` Gleb Natapov
2012-06-06  8:04       ` Avi Kivity

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