From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: Re: [PATCH] gfxboot VMX workaround v2
Date: Wed, 09 Apr 2008 00:56:07 +0300
Message-ID: <47FBE9F7.5080007@qumranet.com>
References: <47FA1DD5.3050500@suse.de>
	<47FA4632.9040403@codemonkey.ws>	<20080408093035.4f184e60@frecb000711.frec.bull.fr>	<47FB6195.1050105@codemonkey.ws>
	<20080408150248.26eec050@frecb000711.frec.bull.fr>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>, bk@suse.de
To: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
Return-path: <kvm-devel-bounces@lists.sourceforge.net>
In-Reply-To: <20080408150248.26eec050@frecb000711.frec.bull.fr>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/kvm-devel>,
	<mailto:kvm-devel-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=kvm-devel>
List-Post: <mailto:kvm-devel@lists.sourceforge.net>
List-Help: <mailto:kvm-devel-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/kvm-devel>,
	<mailto:kvm-devel-request@lists.sourceforge.net?subject=subscribe>
Sender: kvm-devel-bounces@lists.sourceforge.net
Errors-To: kvm-devel-bounces@lists.sourceforge.net
List-Id: kvm.vger.kernel.org

Guillaume Thouvenin wrote:
>>>   
>>>       
>> x86 emulate is missing support for jmp far which is used to switch into 
>> protected mode.  It just needs to be added.
>>     
>
> Ok I see. I understand now why you said in a previous email that KVM
> needs to have a proper load_seg() function like the Xen's x86_emulate.
> This function is used to load the segment in a far jmp. I will look how
> it is done in Xen and I will try to copy the stuff like you did.
>
>   

kvm now has a load_segment_descriptor() function which might help.


-- 
Any sufficiently difficult bug is indistinguishable from a feature.


-------------------------------------------------------------------------
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference 
Register now and save $200. Hurry, offer ends at 11:59 p.m., 
Monday, April 7! Use priority code J8TLD2. 
http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone