From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44360) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V6H2I-0000yX-4I for qemu-devel@nongnu.org; Mon, 05 Aug 2013 05:25:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V6H2C-0006u7-Nj for qemu-devel@nongnu.org; Mon, 05 Aug 2013 05:25:06 -0400 Received: from cantor2.suse.de ([195.135.220.15]:45293 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V6H2C-0006tx-HK for qemu-devel@nongnu.org; Mon, 05 Aug 2013 05:25:00 -0400 Message-ID: <51FF6F67.8070101@suse.de> Date: Mon, 05 Aug 2013 11:24:55 +0200 From: =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= MIME-Version: 1.0 References: <84r4e9j5ko.wl%peter.chubb@nicta.com.au> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [Patch] ARM: Add an L2 cache controller to KZM List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell , Peter Chubb Cc: Jan Kiszka , qemu-devel@nongnu.org Am 05.08.2013 11:18, schrieb Peter Maydell: > On 5 August 2013 02:21, Peter Chubb wrote: >> Reads to unassigned memory now return non-zero (since patch >> 9b8c69243585). This breaks guests runnong on i.MX31 that use the >> cache controller --- they poll forever waiting for the L2CC cache >> invalidate regsiter to be zero. >=20 > That commit claims it was just restoring the previous > behaviour, so it shouldn't break guests, surely? See Jan's patches on the list. PReP was reported affected, too. Peter Ch., if you know the exact differences, why don't you just derive an imx-l2cc type (or so) derived from ARM's type, overriding the values mentioned above? Sounds trivial to me. Regards, Andreas --=20 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imend=C3=B6rffer; HRB 16746 AG N=C3=BC= rnberg