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 29716C4CEC9 for ; Fri, 20 Sep 2019 13:42:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 022432080F for ; Fri, 20 Sep 2019 13:42:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728267AbfITNmt (ORCPT ); Fri, 20 Sep 2019 09:42:49 -0400 Received: from foss.arm.com ([217.140.110.172]:44866 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726924AbfITNmr (ORCPT ); Fri, 20 Sep 2019 09:42:47 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 63A791570; Fri, 20 Sep 2019 06:42:47 -0700 (PDT) Received: from [10.1.197.57] (e110467-lin.cambridge.arm.com [10.1.197.57]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 43D923F67D; Fri, 20 Sep 2019 06:42:46 -0700 (PDT) Subject: Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning To: Qian Cai , Masahiro Yamada Cc: Michal Marek , Linux Kbuild mailing list , Linux Kernel Mailing List , Stefano Stabellini , Will Deacon , Christoph Hellwig , linux-arm-kernel References: <1568898377.5576.186.camel@lca.pw> <1568985515.5576.195.camel@lca.pw> From: Robin Murphy Message-ID: <32e53c34-6cc5-6231-6069-3b782f5d2cf0@arm.com> Date: Fri, 20 Sep 2019 14:42:42 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1568985515.5576.195.camel@lca.pw> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/09/2019 14:18, Qian Cai wrote: > On Fri, 2019-09-20 at 19:24 +0900, Masahiro Yamada wrote: >> Hi Qian, >> >> On Thu, Sep 19, 2019 at 10:06 PM Qian Cai wrote: >>> >>> The commit 5489c8e0cf03 ("arm64: use asm-generic/dma-mapping.h") introduced a >>> kbuild warning, >>> >>> scripts/Makefile.asm-generic:25: redundant generic-y found in >>> arch/arm64/include/asm/Kbuild: dma-mapping.h >>> >>> >> >> Which tree did you test? > > It was yesterday's linux-next (next-20190918) with this config [1], but it seems > gone in today's linux-next. There was a conflict in dma-mapping.h between the arm64 tree and the dma-mapping tree (where that commit deleted it) - looks like -next must have just resolved it the wrong way that day. Robin. > [1] https://raw.githubusercontent.com/cailca/linux-mm/master/arm64.config > >> >> I tried the latest Linus tree (, which contains 5489c8e0cf03), >> but I did not see this warning. >> >> >> > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >