From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MxLD7-0006tC-B5 for qemu-devel@nongnu.org; Mon, 12 Oct 2009 09:45:13 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MxLD2-0006mg-Mg for qemu-devel@nongnu.org; Mon, 12 Oct 2009 09:45:12 -0400 Received: from [199.232.76.173] (port=33219 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MxLD2-0006mP-GW for qemu-devel@nongnu.org; Mon, 12 Oct 2009 09:45:08 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:47582) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MxLD2-0008A1-53 for qemu-devel@nongnu.org; Mon, 12 Oct 2009 09:45:08 -0400 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by e37.co.us.ibm.com (8.14.3/8.13.1) with ESMTP id n9CDhxpP007487 for ; Mon, 12 Oct 2009 07:43:59 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n9CDiwFg224594 for ; Mon, 12 Oct 2009 07:45:00 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n9CDiwlM002995 for ; Mon, 12 Oct 2009 07:44:58 -0600 Message-ID: <4AD332D8.8080903@us.ibm.com> Date: Mon, 12 Oct 2009 08:44:56 -0500 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: [PATCH 2/3] qemu: make cirrus init value pci spec compliant References: <20091008145241.GC12275@redhat.com> <4ACE0559.5040206@redhat.com> <20091008160623.GA13710@redhat.com> <4ACE0FC6.3050908@redhat.com> <20091008184011.GA6576@shareable.org> <20091011133626.GA10229@redhat.com> <20091011134559.GN16702@redhat.com> <20091011135240.GA10277@redhat.com> <20091011135748.GO16702@redhat.com> <20091011143535.GA10401@redhat.com> <20091011143946.GP16702@redhat.com> In-Reply-To: <20091011143946.GP16702@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: "qemu-devel@nongnu.org" , Avi Kivity , kvm-devel , "Michael S. Tsirkin" Gleb Natapov wrote >> BTW, I don't think it's write-protected and it probably should be? >> >> > AFAIR it is not writable on plain qemu. > KVM wants it to be writable for the TPR optimization. Historically, it was read-only in QEMU but it changed to read-write in order to fake coreboot into thinking that the bios implemented PMM which it doesn't. -- Regards, Anthony Liguori