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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 60649CA9ECF for ; Thu, 31 Oct 2019 16:58:59 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 33CEE20873 for ; Thu, 31 Oct 2019 16:58:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33CEE20873 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id D05AED38; Thu, 31 Oct 2019 16:58:58 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 534B8AF0 for ; Thu, 31 Oct 2019 16:58:57 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id BF66514D for ; Thu, 31 Oct 2019 16:58:56 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 68576227A81; Thu, 31 Oct 2019 17:58:53 +0100 (CET) Date: Thu, 31 Oct 2019 17:58:53 +0100 From: Christoph Hellwig To: Nicolas Saenz Julienne 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-Disposition: inline In-Reply-To: <6726a651c12d91ca22b9d8984745d90db5d507ec.camel@suse.de> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: linux-s390@vger.kernel.org, Vasily Gorbik , Will Deacon , Catalin Marinas , linuxppc-dev@lists.ozlabs.org, Heiko Carstens , linux-kernel@vger.kernel.org, Christian Borntraeger , iommu@lists.linux-foundation.org, Paul Mackerras , Michael Ellerman , Benjamin Herrenschmidt , Robin Murphy , Christoph Hellwig , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@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. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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. 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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 034D1CA9ECE for ; Thu, 31 Oct 2019 17:01:28 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 79B55216F4 for ; Thu, 31 Oct 2019 17:01:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79B55216F4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 473s6Y0QMszDrYb for ; Fri, 1 Nov 2019 04:01:25 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 473s3m4rPtzF61B for ; Fri, 1 Nov 2019 03:58:58 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id 68576227A81; Thu, 31 Oct 2019 17:58:53 +0100 (CET) Date: Thu, 31 Oct 2019 17:58:53 +0100 From: Christoph Hellwig To: Nicolas Saenz Julienne 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> User-Agent: Mutt/1.5.17 (2007-11-01) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Vasily Gorbik , Will Deacon , Catalin Marinas , linuxppc-dev@lists.ozlabs.org, Heiko Carstens , linux-kernel@vger.kernel.org, Christian Borntraeger , iommu@lists.linux-foundation.org, Paul Mackerras , Robin Murphy , Christoph Hellwig , linux-arm-kernel@lists.infradead.org, Marek Szyprowski Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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. 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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 81B5ECA9ECF for ; Thu, 31 Oct 2019 16:59:07 +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 4BBDD216F4 for ; Thu, 31 Oct 2019 16:59:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tOfhNm2K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4BBDD216F4 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=ssyTCxY5VaalKZbWfIcV4cEjE9M4zOOIguaSElpehug=; b=tOfhNm2KdL+cFo bOSff97naz2IZ0YqcSChI5T7RZBauc085l8fTGudmU+/XKsQFcANJQOhPasj5HQCYoXGzpZVGZYXj uT5snVveBDYBsaDvb7AZePTSiPL3f2gzhVoTZlsQQEZhJIgw9irztOAcnOMGQB8o17Byb1qnpyPxS pc0dqHlXbexI4JOH9jEUjS7Wv1OI2rNqw9WBR9cxZ9gxP+r//g+krxm7dhnamYAAZR/oEUXISQKfv AA+l/MPwDVPJ1NTvJ5MGG9peBenWl22Q1aFjS90kdMz0IzFzZlojQ9cIs8Yz75Ee4obfdEAGZtpqs 4xuXq/pF26yit2Amjo5w==; 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 1iQDmm-0008Hl-97; Thu, 31 Oct 2019 16:59:00 +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 1iQDmj-0008HM-8M for linux-arm-kernel@lists.infradead.org; Thu, 31 Oct 2019 16:58:58 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 68576227A81; Thu, 31 Oct 2019 17:58:53 +0100 (CET) Date: Thu, 31 Oct 2019 17:58:53 +0100 From: Christoph Hellwig To: Nicolas Saenz Julienne 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-Disposition: inline In-Reply-To: <6726a651c12d91ca22b9d8984745d90db5d507ec.camel@suse.de> 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_095857_448540_8C848719 X-CRM114-Status: UNSURE ( 9.89 ) X-CRM114-Notice: Please train this message. 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 , Will Deacon , Catalin Marinas , linuxppc-dev@lists.ozlabs.org, Heiko Carstens , linux-kernel@vger.kernel.org, Christian Borntraeger , iommu@lists.linux-foundation.org, Paul Mackerras , Michael Ellerman , Benjamin Herrenschmidt , Robin Murphy , Christoph Hellwig , 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 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. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel