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=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 40B23C56202 for ; Tue, 27 Oct 2020 11:51:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7A198207C3 for ; Tue, 27 Oct 2020 11:51:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A198207C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E0ECB6B0082; Tue, 27 Oct 2020 07:51:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DBD486B0083; Tue, 27 Oct 2020 07:51:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CFB376B0089; Tue, 27 Oct 2020 07:51:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0251.hostedemail.com [216.40.44.251]) by kanga.kvack.org (Postfix) with ESMTP id A432C6B0082 for ; Tue, 27 Oct 2020 07:51:04 -0400 (EDT) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 43151180AD802 for ; Tue, 27 Oct 2020 11:51:04 +0000 (UTC) X-FDA: 77417539248.19.base00_3013d232727b Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin19.hostedemail.com (Postfix) with ESMTP id 0EC001AD1B3 for ; Tue, 27 Oct 2020 11:51:04 +0000 (UTC) X-HE-Tag: base00_3013d232727b X-Filterd-Recvd-Size: 2807 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Tue, 27 Oct 2020 11:51:03 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 21D65AAB2; Tue, 27 Oct 2020 11:51:02 +0000 (UTC) Message-ID: Subject: Re: [PATCH v4 0/7] arm64: Default to 32-bit wide ZONE_DMA From: Nicolas Saenz Julienne To: Jeremy Linton , robh+dt@kernel.org, catalin.marinas@arm.com, hch@lst.de, ardb@kernel.org, linux-kernel@vger.kernel.org Cc: robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, will@kernel.org, lorenzo.pieralisi@arm.com, guohanjun@huawei.com, linux-acpi@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org Date: Tue, 27 Oct 2020 12:50:53 +0100 In-Reply-To: <9bccc5ef-9457-044b-7193-d002a395e461@arm.com> References: <20201021123437.21538-1-nsaenzjulienne@suse.de> <9bccc5ef-9457-044b-7193-d002a395e461@arm.com> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-7KtHL8JmijrZUDdO/9dK" User-Agent: Evolution 3.36.5 MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --=-7KtHL8JmijrZUDdO/9dK Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2020-10-23 at 14:05 -0500, Jeremy Linton wrote: > Hi, >=20 > On 10/21/20 7:34 AM, Nicolas Saenz Julienne wrote: > > Using two distinct DMA zones turned out to be problematic. Here's an > > attempt go back to a saner default. > >=20 > > I tested this on both a RPi4 and QEMU. >=20 > I've tested this in ACPI mode on the rpi4 (4+8G with/without the 3G=20 > limiter) as well, with Ard's IORT patch. Nothing seems to have regressed. >=20 > Thanks, >=20 > Tested-by: Jeremy Linton Thanks! --=-7KtHL8JmijrZUDdO/9dK 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/4FAl+YCZ0ACgkQlfZmHno8 x/7nHAf+NsPBIeE87IsQQDXb+Yj9HG4BT9qoFjLz6YOJ82f2k6RHxorkNMBGv/Kn mh1U2wjHbKJvDKSHIM/qsvcbSI8ZKQyqQBLYXintA5koBEw88a1UA3OXCqbs35Eu 5s4sHfoPVAAM8OE9b7+sKTNBFXBLngmBotO0Tt9dAXrTEPNLfPu9pXt22zGb2gCy 34Sv2032HmUGXMX3Dd1eEKPsfqYqHDsBMXmYsh1GrV5/xIJ2ClpD3yM7xjQ/PNtI c2VffRjFikj/PUTf8I1HPDOeSwX101QkV3Uq9TatMWsLwQYv9Y5EM8Gz8XPPCDF3 CDY5pxiYqZdowQMQ53hVr9yjOjogdQ== =XjDo -----END PGP SIGNATURE----- --=-7KtHL8JmijrZUDdO/9dK--