From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93562CA9ECF for ; Thu, 31 Oct 2019 17:26:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 711712086D for ; Thu, 31 Oct 2019 17:26:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728880AbfJaR0S (ORCPT ); Thu, 31 Oct 2019 13:26:18 -0400 Received: from mx2.suse.de ([195.135.220.15]:49440 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728561AbfJaR0R (ORCPT ); Thu, 31 Oct 2019 13:26:17 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 3E70EB961; Thu, 31 Oct 2019 17:26:14 +0000 (UTC) Message-ID: <9c051b0f2d89baa36fd3d3669a107f549c310d49.camel@suse.de> Subject: Re: [PATCH RFC 1/5] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable From: Nicolas Saenz Julienne To: Catalin Marinas Cc: Robin Murphy , linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, ChristophHellwig , iommu@lists.linux-foundation.org, Marek Szyprowski , mbrugger@suse.com, f.fainelli@gmail.com, wahrenst@gmx.net, Will Deacon , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org Date: Thu, 31 Oct 2019 18:26:10 +0100 In-Reply-To: <20191031133831.GA21509@infradead.org> References: <20191014183108.24804-1-nsaenzjulienne@suse.de> <20191014183108.24804-2-nsaenzjulienne@suse.de> <20191030214914.GA15939@infradead.org> <8c525f66c1c0d9f07e0cff4948d1ec3229756220.camel@suse.de> <20191031133831.GA21509@infradead.org> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-HUsDE4pCuvQagD+CYqmq" User-Agent: Evolution 3.34.1 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-HUsDE4pCuvQagD+CYqmq Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2019-10-31 at 06:38 -0700, Christoph Hellwig wrote: > On Thu, Oct 31, 2019 at 11:30:36AM +0100, Nicolas Saenz Julienne wrote: > > On Wed, 2019-10-30 at 14:49 -0700, Christoph Hellwig wrote: > > > On Mon, Oct 14, 2019 at 08:31:03PM +0200, Nicolas Saenz Julienne wrot= e: > > > > Some architectures, notably ARM, are interested in tweaking this > > > > depending on their runtime DMA addressing limitations. > > > >=20 > > > > Signed-off-by: Nicolas Saenz Julienne > > >=20 > > > Do you want me to pick this up for the 5.5 dma-mapping tree, or do yo= u > > > want me to wait for the rest to settle? > >=20 > > I'd say take it, this will be ultimately needed once we push forward wi= th > > ARM. >=20 > Can you resend a version that applies against 5.4-rc? The current one > has conflicts in the arm64 code. Hi Catalin, would you mind taking this patch on top of the arm64 ZONE_DMA series? I tried to go though Christoph's tree but it ultimately clashes with the ZONE_DMA series. It's simpler to apply it on top of your tree. Regrads, Nicolas --=-HUsDE4pCuvQagD+CYqmq Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEErOkkGDHCg2EbPcGjlfZmHno8x/4FAl27GTIACgkQlfZmHno8 x/6rAgf/ZoMMGW7IRaV6x5ZwhpeWmnDuHERj4vzVJa0/eBKTyeFHQYuyNBygdzOW JGunOdpAkJNo6DdJKxyUt8u5d8vvnq3mIm+g0xkoz6PxzzUtPlEuFZ1fgP1oGYIT BdBcYj23cYMrYjtqcJJkBoBu+5JBkx28Mu5oGyWeRojupXkK+9NN53qUZMmYcFD+ Lw9i3nBQmiozrdeHMiErrYTXOkz93sipx2zeo2jF4CsOtj67BfJMhmsRogeQTIe+ Z5A6Ik+LQ8AejhKOAisJzXidZPdUwaENRKw2qicQFBoifWbqinhT6JxmrEk/AHR1 eg9iA75sotbQfuNiAzn6qCofWaKfcg== =jqtB -----END PGP SIGNATURE----- --=-HUsDE4pCuvQagD+CYqmq--