From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32808) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abTtU-0001S4-Rq for qemu-devel@nongnu.org; Thu, 03 Mar 2016 09:06:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abTtP-0002eD-RC for qemu-devel@nongnu.org; Thu, 03 Mar 2016 09:06:20 -0500 Received: from mga01.intel.com ([192.55.52.88]:19989) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abTtP-0002e6-K7 for qemu-devel@nongnu.org; Thu, 03 Mar 2016 09:06:15 -0500 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> From: Xiao Guangrong Message-ID: <56D844AB.5060805@linux.intel.com> Date: Thu, 3 Mar 2016 22:05:31 +0800 MIME-Version: 1.0 In-Reply-To: <20160303152819-mutt-send-email-mst@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v5 5/5] nvdimm acpi: add _CRS List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: ehabkost@redhat.com, kvm@vger.kernel.org, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, imammedo@redhat.com, pbonzini@redhat.com, dan.j.williams@intel.com, rth@twiddle.net 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? :)