Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751965AbZKJKmd (ORCPT ); Tue, 10 Nov 2009 05:42:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751019AbZKJKmc (ORCPT ); Tue, 10 Nov 2009 05:42:32 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36764 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750903AbZKJKmc (ORCPT ); Tue, 10 Nov 2009 05:42:32 -0500 Message-ID: <4AF9435F.2070103@redhat.com> Date: Tue, 10 Nov 2009 12:41:35 +0200 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091014 Fedora/3.0-2.8.b4.fc11 Thunderbird/3.0b4 MIME-Version: 1.0 To: "H. Peter Anvin" CC: Willy Tarreau , Alan Cox , Pavel Machek , Matteo Croce , Sven-Haegar Koch , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: i686 quirk for AMD Geode References: <4AF4526B.4060101@zytor.com> <40101cc30911061418w357b74d8i3bf9a9537de052d4@mail.gmail.com> <20091108173708.GF1372@ucw.cz> <40101cc30911080940s18eb26bbg641beeaddbc25c3d@mail.gmail.com> <20091108181016.GB32364@elf.ucw.cz> <20091108193618.GB4186@elf.ucw.cz> <40101cc30911081147j77f7b81o86f2cc5a869aca1f@mail.gmail.com> <20091108195158.GD4186@elf.ucw.cz> <20091108200852.7f2cf092@lxorguk.ukuu.org.uk> <20091110052711.GA15338@1wt.eu> <4AF9020C.90108@zytor.com> In-Reply-To: <4AF9020C.90108@zytor.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 998 Lines: 30 On 11/10/2009 08:02 AM, H. Peter Anvin wrote: > On 11/09/2009 09:27 PM, Willy Tarreau wrote: > >> Also, I think that if we start adding emulation, a global and per-task >> counter would immensely help to know what processes make intensive use >> of emulation. >> >> > Agreed. > > My first question would be if the interpreter in KVM can be reused in > any way. > > In theory yes. There would need to be a bit of work to disassociate it from kvm, but nothing too difficult. Note that the kvm x86 emulator is more general than need be (emulates real mode code and cpl 0 instructions) and less general than needed (many instructions are not emulated, for example nopl). -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/