From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60953) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZTwii-0000tO-CO for qemu-devel@nongnu.org; Mon, 24 Aug 2015 14:43:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZTwif-0003Mi-7q for qemu-devel@nongnu.org; Mon, 24 Aug 2015 14:43:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42183) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZTwif-0003MG-2f for qemu-devel@nongnu.org; Mon, 24 Aug 2015 14:43:45 -0400 References: <1438448070-32552-1-git-send-email-mark.cave-ayland@ilande.co.uk> <20150801183337.GA10456@aurel32.net> <55CD1430.5060107@ilande.co.uk> <55D77646.3010807@redhat.com> <55D7CC27.1080901@ilande.co.uk> From: John Snow Message-ID: <55DB65DE.5090704@redhat.com> Date: Mon, 24 Aug 2015 11:43:42 -0700 MIME-Version: 1.0 In-Reply-To: <55D7CC27.1080901@ilande.co.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCHv2] macio: handle non-block ATAPI DMA transfers the same as block DMA transfers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Mark Cave-Ayland , Aurelien Jarno Cc: agraf@suse.de, qemu-devel@nongnu.org On 08/21/2015 06:11 PM, Mark Cave-Ayland wrote: > On 21/08/15 20:04, John Snow wrote: > > (lots cut) > >> Do you want to resend the V3 here directly to the ML with Aurelien >> Jarno's R-B? > > I was actually looking at this yesterday, and it seems with some more > testing that only the DBDMA flush part is required. It could be that > fixing the flush semantics prevents the macio device getting into the > incorrect state that makes the macio patch necessary in the first place. > > In this case the DBDMA patch should probably go via Alex since it's > fairly specific to the Mac DMA hardware rather than being related just > to the IDE interface. > > > ATB, > > Mark. > Even better! 8-) Thanks, --js