From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Olszewski Subject: Re: KVM Page Fault Question Date: Thu, 22 Apr 2010 01:26:52 -0400 Message-ID: <4BCFDE1C.7080209@csail.mit.edu> References: <4B9726A7.7000800@csail.mit.edu> <4B976AA8.9030904@redhat.com> <4B9833EE.1070705@csail.mit.edu> <4B989035.4050109@redhat.com> <4B9916DE.30209@csail.mit.edu> <4B9B5225.2050604@redhat.com> <4BA2BC2A.8090803@csail.mit.edu> <4BA33833.8060703@redhat.com> <4BB57596.6090109@csail.mit.edu> <4BB59117.2040903@redhat.com> <4BB614BC.9080608@csail.mit.edu> <4BB8C566.70807@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Avi Kivity Return-path: Received: from DMZ-MAILSEC-SCANNER-2.MIT.EDU ([18.9.25.13]:43250 "EHLO dmz-mailsec-scanner-2.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750870Ab0DVFb4 (ORCPT ); Thu, 22 Apr 2010 01:31:56 -0400 In-Reply-To: <4BB8C566.70807@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Under VMX without EPT, I do not seeing any VM Exits due to task switches. Is there a way to enable these? I'm looking to intercept the guest whenever it does a iret. Thanks! Marek Avi Kivity wrote: > (re-adding list) > > > On 04/02/2010 07:01 PM, Marek Olszewski wrote: >> Thanks for the fast response. >> >> I'm trying to find the code that on a write to a guest page table >> entry, will iterate over all shadow page table entries that map that >> guest entry to update them. Can you point me to that code? I can't >> seem to find it myself :( > > See kvm_mmu_pte_write(). >