From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valentine Sinitsyn Subject: Re: Nested paging in nested SVM setup Date: Fri, 22 Aug 2014 10:33:36 +0600 Message-ID: <53F6C820.3070308@gmail.com> References: <53A179C4.9060203@gmail.com> <53A18A6D.2050407@siemens.com> <53F44440.6070408@gmail.com> <53F44645.2000708@redhat.com> <53F45036.1070309@gmail.com> <53F45832.5080708@redhat.com> <53F59192.3070500@gmail.com> <53F5B250.3000206@gmail.com> <53F5D709.3060207@redhat.com> <53F62DD7.4090607@gmail.com> <53F65728.7030301@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r; format=flowed Content-Transfer-Encoding: 7bit To: Paolo Bonzini , Jan Kiszka , kvm@vger.kernel.org Return-path: Received: from mail-la0-f44.google.com ([209.85.215.44]:48238 "EHLO mail-la0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751327AbaHVEdl (ORCPT ); Fri, 22 Aug 2014 00:33:41 -0400 Received: by mail-la0-f44.google.com with SMTP id el20so9540677lab.31 for ; Thu, 21 Aug 2014 21:33:39 -0700 (PDT) In-Reply-To: <53F65728.7030301@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 22.08.2014 02:31, Paolo Bonzini wrote: > VMX used the right access size already, the tests are separate for VMX > and SVM. Sure. So the bug is NPT-specific? BTW I was likely wrong stating: > if nested page tables maps some GPA to 0xfee00000 HPA, it's really mapped to this HPA, Looks more like it gets mapped wherever 0xfee00000 GPA is translated to. No flaw then, just a minor glitch (for a general public). Valentine