From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33825) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1daSrS-0003eT-Ho for qemu-devel@nongnu.org; Wed, 26 Jul 2017 16:24:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1daSrP-0005Xt-Uz for qemu-devel@nongnu.org; Wed, 26 Jul 2017 16:24:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35960) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1daSrP-0005Wm-Oj for qemu-devel@nongnu.org; Wed, 26 Jul 2017 16:24:47 -0400 Date: Wed, 26 Jul 2017 16:24:41 -0400 (EDT) From: Paolo Bonzini Message-ID: <2080482614.19250435.1501100681184.JavaMail.zimbra@redhat.com> In-Reply-To: <20170726225402-mutt-send-email-mst@kernel.org> References: <20170726093136.13627-1-pbonzini@redhat.com> <20170726155118-mutt-send-email-mst@kernel.org> <20170726225402-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [qemu PATCH for 2.10] i386: acpi: provide an XSDT instead of an RSDT List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: qemu-devel@nongnu.org, Kevin O'Connor , seabios@seabios.org, lersek@redhat.com, lists@philjordan.eu, imammedo@redhat.com, phil@philjordan.eu, programmingkidx@gmail.com, kraxel@redhat.com > The point is that for PC we really should not keep piling up hacks, > compatibility is more important. Non-explosion of the test matrix is just as important. > > Doing it for PC only would mean switching > > back from FADT rev3 to rev1, which is worse for guest OS support, > > It's only OSX AFAIK and IIRC OSX doesn't run on PC anyway. Sure it does. You can run it on VMware Workstation which emulates some i440FX-like chipset. > It's definitely way more code. I'll change my mind if there's > a guest that needs the new FADT. Then you can prepare a patch to revert the FADTv3 commit, or do the work to make it specific to the 2.10 Q35 machine type. Paolo