From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1In1m8-0005kH-W6 for qemu-devel@nongnu.org; Tue, 30 Oct 2007 20:49:41 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1In1m7-0005j9-BU for qemu-devel@nongnu.org; Tue, 30 Oct 2007 20:49:40 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1In1m7-0005j6-6B for qemu-devel@nongnu.org; Tue, 30 Oct 2007 20:49:39 -0400 Received: from nf-out-0910.google.com ([64.233.182.188]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1In1m6-0004sf-QB for qemu-devel@nongnu.org; Tue, 30 Oct 2007 20:49:38 -0400 Received: by nf-out-0910.google.com with SMTP id 30so1918594nfu for ; Tue, 30 Oct 2007 17:49:37 -0700 (PDT) Message-ID: Date: Wed, 31 Oct 2007 01:49:37 +0100 From: "andrzej zaborowski" Subject: Re: [Qemu-devel] [PATCH] Arm MMU Fixes In-Reply-To: <2BB0007D-1679-435D-BBE4-201598484A05@ok-labs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <2BB0007D-1679-435D-BBE4-201598484A05@ok-labs.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hi, On 15/10/2007, Matthew Warton wrote: > The first is that Qemu would not enable changing of the pid register > on processors with an MMU. This is a legal operation, and one that > several parts of our kernel rely on. See (for example) the ARM920t > technical reference manual to verify that this register is available > on ARM processors with an MMU. I committed the change, but I'm wondering if it was originally a typo and the operation should instead be illegal on processors with an MPU (note that MPU != MMU), i.e. a spurious "!". Can somebody check this? Thanks, Andrew