From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751726Ab2LOG5u (ORCPT ); Sat, 15 Dec 2012 01:57:50 -0500 Received: from e28smtp08.in.ibm.com ([122.248.162.8]:49434 "EHLO e28smtp08.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750795Ab2LOG5t (ORCPT ); Sat, 15 Dec 2012 01:57:49 -0500 Message-ID: <50CC1F62.4050701@linux.vnet.ibm.com> Date: Sat, 15 Dec 2012 14:57:38 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 MIME-Version: 1.0 To: Marcelo Tosatti CC: Gleb Natapov , LKML , KVM Subject: [PATCH v3 0/5] KVM: x86: improve reexecute_instruction Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12121506-2000-0000-0000-00000A460E14 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changlog: - do not change pte access for mmio access - a new bug is exposed that Dirty bit is not tracked if CR0.WP = 0 - cache something on page fault path and use them to detect unhandleable instruction, suggested by Marcelo I will add the two testcase for unhandleable instruction after figure out a way to notify the unemulationable error to guest