From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51027) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYczO-0001BG-PH for qemu-devel@nongnu.org; Tue, 31 Jan 2017 13:17:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cYczL-000794-J9 for qemu-devel@nongnu.org; Tue, 31 Jan 2017 13:17:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35758) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cYczL-00078o-DO for qemu-devel@nongnu.org; Tue, 31 Jan 2017 13:17:07 -0500 Date: Tue, 31 Jan 2017 20:17:02 +0200 From: "Michael S. Tsirkin" Message-ID: <20170131201333-mutt-send-email-mst@kernel.org> References: <1484739954-86833-1-git-send-email-phil@philjordan.eu> <20170118175335-mutt-send-email-mst@kernel.org> <20170118181918.783cb7bd@nial.brq.redhat.com> <20170131165802-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [PATCH RFC] acpi: add reset register to fadt List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Laszlo Ersek Cc: Phil Dennis-Jordan , Igor Mammedov , qemu-devel@nongnu.org, Paolo Bonzini , Richard Henderson , Eduardo Habkost On Tue, Jan 31, 2017 at 05:28:57PM +0100, Laszlo Ersek wrote: > The ACPI 6.1 spec says, > > - DSDT: [...] If the X_DSDT field contains a non-zero value then this > field must be zero. > - X_DSDT: [...] If the DSDT field contains a non-zero value then this > field must be zero. But that's only 6.1. 6.0 and earlier did not say this. The errata they wanted to address was: 1393 In FADT: if X_DSDT field is non-zero, DSDT field should be ignored or deprecated I would class this as a spec bug. -- MST