From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:38283) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ShTrl-0002pQ-Os for qemu-devel@nongnu.org; Wed, 20 Jun 2012 18:59:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ShTrj-0006kL-V4 for qemu-devel@nongnu.org; Wed, 20 Jun 2012 18:59:13 -0400 Received: from mail-pb0-f45.google.com ([209.85.160.45]:33744) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ShTrj-0006jq-Os for qemu-devel@nongnu.org; Wed, 20 Jun 2012 18:59:11 -0400 Received: by pbbro12 with SMTP id ro12so1281356pbb.4 for ; Wed, 20 Jun 2012 15:59:09 -0700 (PDT) Message-ID: <4FE255B9.3030308@codemonkey.ws> Date: Wed, 20 Jun 2012 17:59:05 -0500 From: Anthony Liguori MIME-Version: 1.0 References: <1340087992-2399-1-git-send-email-benh@kernel.crashing.org> <1340087992-2399-2-git-send-email-benh@kernel.crashing.org> <4FE23D1F.3090408@codemonkey.ws> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 01/13] Better support for dma_addr_t variables List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: qemu-devel@nongnu.org, David Gibson On 06/20/2012 05:26 PM, Peter Maydell wrote: > On 20 June 2012 22:14, Anthony Liguori wrote: >> Why not make life easy and fix dma_addr_t to 64-bit? > > ...for that matter weren't we tossing around the idea of just > making target_phys_addr_t 64 bits for everything? (I actually > want to do this for target-arm anyway; last time I did some > quick smoke-tests of performance it didn't seem to hurt really > even on a 32 bit host, and it avoids having to put the A15 in > a different qemu-system-* binary to the other cores.) Didn't you whine and moan about the impact to printf()s last time I did this? ;-) I can refresh my patch and resubmit.. Regards, Anthony Liguori > > -- PMM