From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: [PATCH v5 06/14] nEPT: Support shadow paging for guest paging without A/D bits Date: Thu, 01 Aug 2013 14:54:54 +0800 Message-ID: <51FA063E.5060404@linux.vnet.ibm.com> References: <1375282131-9713-1-git-send-email-gleb@redhat.com> <1375282131-9713-7-git-send-email-gleb@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Jun Nakajima , Yang Zhang , pbonzini@redhat.com To: Gleb Natapov Return-path: Received: from e23smtp09.au.ibm.com ([202.81.31.142]:60085 "EHLO e23smtp09.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751287Ab3HAG5M (ORCPT ); Thu, 1 Aug 2013 02:57:12 -0400 Received: from /spool/local by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 2 Aug 2013 03:52:09 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 625BE3578052 for ; Thu, 1 Aug 2013 16:57:05 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r716fVA68585574 for ; Thu, 1 Aug 2013 16:41:32 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id r716v4Q8002547 for ; Thu, 1 Aug 2013 16:57:04 +1000 In-Reply-To: <1375282131-9713-7-git-send-email-gleb@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 07/31/2013 10:48 PM, Gleb Natapov wrote: > Some guest paging modes do not support A/D bits. Add support for such > modes in shadow page code. For such modes PT_GUEST_DIRTY_MASK, > PT_GUEST_ACCESSED_MASK, PT_GUEST_DIRTY_SHIFT and PT_GUEST_ACCESSED_SHIFT > should be set to zero. > Reviewed-by: Xiao Guangrong