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=-7.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 E29F1CA9ECB for ; Thu, 31 Oct 2019 18:33:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B27122173E for ; Thu, 31 Oct 2019 18:33:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="T9hOhcOX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B27122173E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=EIKEm55gRb+V7H7FbcnVMsc3YFpjmOT+Sccv6RE+Lak=; b=T9hOhcOXHb+tHm tzSZuQ4UAezVYo8iWS15VWXaZrWOdlB2xZRskwvSOBtGrFC6+syyO6SL+N918C0wFNAsb5RzlSWl5 tagdYmPdTJ6f9BgN/vxK7YPhEdzVoADJWcmsQgEg3Vch9c7gYuv2ZkvCJJmrvuTTk3HfxFQZ48aSB UuCWTDkTXJRdJZ5gVPlH92kaFHZsfE+H1+xoq1XRRMlCoz4h5ctTOb23GpnMRhCIFs4GnHR1/RPK6 gl3jpIPbVdGF4fBU3yG/CvSX/6UwN532MjFujNGs+ybld7cBC+vKvzH/J40AiWeXfVCVzi9GTL1Mt qJeCS3yR2Ye3sU7SDX3w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iQFFm-00052X-JD; Thu, 31 Oct 2019 18:33:02 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iQFFk-00051j-IL for linux-arm-kernel@lists.infradead.org; Thu, 31 Oct 2019 18:33:02 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id DC3F5227A81; Thu, 31 Oct 2019 19:32:55 +0100 (CET) Date: Thu, 31 Oct 2019 19:32:55 +0100 From: Christoph Hellwig To: Catalin Marinas Subject: Re: [PATCH] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable Message-ID: <20191031183255.GA10116@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> <20191031165853.GA8532@lst.de> <20191031180619.GI39590@arrakis.emea.arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191031180619.GI39590@arrakis.emea.arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191031_113300_757363_7E9EBB24 X-CRM114-Status: GOOD ( 15.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Vasily Gorbik , Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org, Heiko Carstens , Robin Murphy , linux-kernel@vger.kernel.org, Christian Borntraeger , iommu@lists.linux-foundation.org, Paul Mackerras , linux-arm-kernel@lists.infradead.org, Michael Ellerman , Will Deacon , Christoph Hellwig , Nicolas Saenz Julienne , Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 31, 2019 at 06:06:19PM +0000, Catalin Marinas wrote: > On Thu, Oct 31, 2019 at 05:58:53PM +0100, Christoph Hellwig wrote: > > 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. > > This branch is stable (may add a fix but not I'm not rebasing it) if you > want to base this patch on top: > > https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=for-next/zone-dma > > Otherwise, with your ack, I can add it on top of the above branch (aimed > at 5.5). Please go ahead: Acked-by: Christoph Hellwig _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel