From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from verein.lst.de ([213.95.11.211]:52079 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728597AbfJaQ65 (ORCPT ); Thu, 31 Oct 2019 12:58:57 -0400 Date: Thu, 31 Oct 2019 17:58:53 +0100 From: Christoph Hellwig Subject: Re: [PATCH] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable Message-ID: <20191031165853.GA8532@lst.de> References: <20191031152837.15253-1-nsaenzjulienne@suse.de> <20191031154759.GA7162@lst.de> <40d06d463c05d36968e8b64924d78f7794f8de50.camel@suse.de> <20191031155750.GA7394@lst.de> <6726a651c12d91ca22b9d8984745d90db5d507ec.camel@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6726a651c12d91ca22b9d8984745d90db5d507ec.camel@suse.de> Sender: linux-s390-owner@vger.kernel.org List-ID: To: Nicolas Saenz Julienne Cc: Christoph Hellwig , Marek Szyprowski , Robin Murphy , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, iommu@lists.linux-foundation.org On Thu, Oct 31, 2019 at 05:22:59PM +0100, Nicolas Saenz Julienne wrote: > OK, I see what you mean now. It's wrong indeed. > > The trouble is the ZONE_DMA series[1] in arm64, also due for v5.5, will be > affected by this patch. I don't know the right way to approach this problem > since depending on the merge order, this patch should be updated or the arm64 > ZONE_DMA series fixed. > > Maybe it's easier to just wait for v5.6. Ok, I can wait. Or the arm64 maintainers can pick up this patch if you want to add it to that series.