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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 E8172CA9ECB for ; Thu, 31 Oct 2019 13:38:35 +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 A4E8B20873 for ; Thu, 31 Oct 2019 13:38:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FGh4Kf0Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A4E8B20873 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org 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=UxoCovMSsZ+BPWcJT6SYLFPW37B4p9sCM0OtAGq37/s=; b=FGh4Kf0YMmgQU1 gj7PSHl34z0ROySmnUc2bvAM2gkJ6FAfxFJsLJoYGmzKLmR6N1SaaDQbYc5zcYUJgJnnG9c1RGgAZ UoKC8MsRY+LxLgAuVXUUB3HfsJPe3rJ++jsTebmDipWljESlgVFkTiX+MOhqdKSVXW1AJqWj5wCWw iDOx86dYVrCdhANYcQY0lCYaA3znoYx+QhQj7tl2PAxtvNv9gr35Ygxly29ARD7O3qQj/+9C8UJuL F9nuYKvKwQEFghDdqe7gBZQqmbkA6ekOIONFqdCT53LuJgOXP9HTswr/kOzi9a9emIVHmKF5gx7pn q87l8riq033faS4janaw==; 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 1iQAeo-0005da-Jh; Thu, 31 Oct 2019 13:38:34 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1iQAel-0005dF-3D; Thu, 31 Oct 2019 13:38:31 +0000 Date: Thu, 31 Oct 2019 06:38:31 -0700 From: Christoph Hellwig To: Nicolas Saenz Julienne Subject: Re: [PATCH RFC 1/5] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable Message-ID: <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> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <8c525f66c1c0d9f07e0cff4948d1ec3229756220.camel@suse.de> User-Agent: Mutt/1.12.1 (2019-06-15) 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, mbrugger@suse.com, Vasily Gorbik , wahrenst@gmx.net, Michael Ellerman , Catalin Marinas , linuxppc-dev@lists.ozlabs.org, Will Deacon , linux-kernel@vger.kernel.org, Heiko Carstens , Christoph Hellwig , Christian Borntraeger , iommu@lists.linux-foundation.org, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Benjamin Herrenschmidt , Paul Mackerras , Robin Murphy , linux-arm-kernel@lists.infradead.org, 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 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 wrote: > > > Some architectures, notably ARM, are interested in tweaking this > > > depending on their runtime DMA addressing limitations. > > > > > > Signed-off-by: Nicolas Saenz Julienne > > > > Do you want me to pick this up for the 5.5 dma-mapping tree, or do you > > want me to wait for the rest to settle? > > I'd say take it, this will be ultimately needed once we push forward with ARM. Can you resend a version that applies against 5.4-rc? The current one has conflicts in the arm64 code. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel