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,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 287AEC2BB1D for ; Fri, 17 Apr 2020 08:01:10 +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 9949020644 for ; Fri, 17 Apr 2020 08:01:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9949020644 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 lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 493T7728rRzDrfh for ; Fri, 17 Apr 2020 18:01:07 +1000 (AEST) 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 493T4h4pd0zDrS7 for ; Fri, 17 Apr 2020 17:59:00 +1000 (AEST) Received: by verein.lst.de (Postfix, from userid 2407) id B16DF68BEB; Fri, 17 Apr 2020 09:58:52 +0200 (CEST) Date: Fri, 17 Apr 2020 09:58:52 +0200 From: Christoph Hellwig To: Alexey Kardashevskiy Subject: Re: [PATCH 1/4] dma-mapping: move the remaining DMA API calls out of line Message-ID: <20200417075852.GA20049@lst.de> References: <20200414122506.438134-1-hch@lst.de> <20200414122506.438134-2-hch@lst.de> <20200415061859.GA32392@lst.de> <5139e8e1-6389-3387-dc39-6983b08ff28d@ozlabs.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5139e8e1-6389-3387-dc39-6983b08ff28d@ozlabs.ru> 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: Greg Kroah-Hartman , Joerg Roedel , Robin Murphy , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Christoph Hellwig , Lu Baolu Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Apr 15, 2020 at 09:21:37PM +1000, Alexey Kardashevskiy wrote: > And the fact they were exported leaves possibility that there is a > driver somewhere relying on these symbols or distro kernel won't build > because the symbol disappeared from exports (I do not know what KABI > guarantees or if mainline kernel cares). We absolutely do not care. In fact for abuses of APIs that drivers should not use we almost care to make them private and break people abusing them. > I do not care in particular but > some might, a line separated with empty lines in the commit log would do. I'll add a blurb for the next version.