From mboxrd@z Thu Jan  1 00:00:00 1970
From: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>
Subject: Re: Nested paging in nested SVM setup
Date: Thu, 21 Aug 2014 17:12:51 +0600
Message-ID: <53F5D433.9060201@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> <53F5D251.60009@redhat.com> <53F5D2C4.7060403@siemens.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
To: Jan Kiszka <jan.kiszka@siemens.com>,
	Paolo Bonzini <pbonzini@redhat.com>, kvm@vger.kernel.org
Return-path: <kvm-owner@vger.kernel.org>
Received: from mail-la0-f45.google.com ([209.85.215.45]:38690 "EHLO
	mail-la0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1753917AbaHULM4 (ORCPT <rfc822;kvm@vger.kernel.org>);
	Thu, 21 Aug 2014 07:12:56 -0400
Received: by mail-la0-f45.google.com with SMTP id ty20so8463292lab.32
        for <kvm@vger.kernel.org>; Thu, 21 Aug 2014 04:12:54 -0700 (PDT)
In-Reply-To: <53F5D2C4.7060403@siemens.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

On 21.08.2014 17:06, Jan Kiszka wrote:
> Do you think it would only affect the APIC, or could it cause troubles
> with other pass-through devices as well (some PCI BAR e.g.)?
I've skimmed the KVM sources only quickly, but if feel there is nothing 
APIC-specific in nested paging code. I.e. access to any MMIO range 
mapped by nested page tables the way I did will not be trapped by KVM.

Valentine