From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [patch 2/5] KVM: MMU: allow pinning spte translations (TDP-only) Date: Mon, 30 Jun 2014 15:00:06 -0700 Message-ID: <20140630220006.GG19781@tassilo.jf.intel.com> References: <20140618231203.846608908@amt.cnet> <20140618231521.569025131@amt.cnet> <20140619072116.GC10948@minantech.com> <20140619192257.GA5561@amt.cnet> <20140620100911.GB20764@minantech.com> <20140630204646.GA26566@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Gleb Natapov , kvm@vger.kernel.org, pbonzini@redhat.com, xiaoguangrong@linux.vnet.ibm.com, avi@cloudius-systems.com To: Marcelo Tosatti Return-path: Received: from mga02.intel.com ([134.134.136.20]:58212 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752266AbaF3WAL (ORCPT ); Mon, 30 Jun 2014 18:00:11 -0400 Content-Disposition: inline In-Reply-To: <20140630204646.GA26566@amt.cnet> Sender: kvm-owner@vger.kernel.org List-ID: > > So it we take from it that translation should be present the same goes for > > accessed and dirty. If Andi can clarify this within Intel it would be great. > > Andi? There were some problems on really old CPUs with non dirty/accessed pages (P4 generation) with PEBS. But PEBS virtualization is white listed and will never run on those. -Andi -- ak@linux.intel.com -- Speaking for myself only