From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: [PATCH v5 5/5] nvdimm acpi: add _CRS Date: Thu, 3 Mar 2016 22:05:31 +0800 Message-ID: <56D844AB.5060805@linux.intel.com> References: <1456919441-101204-1-git-send-email-guangrong.xiao@linux.intel.com> <1456919441-101204-6-git-send-email-guangrong.xiao@linux.intel.com> <20160303152819-mutt-send-email-mst@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: pbonzini@redhat.com, imammedo@redhat.com, gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org To: "Michael S. Tsirkin" Return-path: Received: from mga11.intel.com ([192.55.52.93]:13683 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755212AbcCCOFs (ORCPT ); Thu, 3 Mar 2016 09:05:48 -0500 In-Reply-To: <20160303152819-mutt-send-email-mst@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 03/03/2016 09:29 PM, Michael S. Tsirkin wrote: > On Wed, Mar 02, 2016 at 07:50:41PM +0800, Xiao Guangrong wrote: >> As Igor suggested that we can report the BIOS patched operation region >> so that OSPM could see that particular range is in use and be able to >> notice conflicts if it happens some day >> >> Signed-off-by: Xiao Guangrong > > This is reserved RAM, exposing it in _CRS makes no sense to me. As more and more memory will be reserved by BIOS/QEMU, report the information to OSPM and let it check the potential error is bad, no? :)