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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 3A8FDC433B4 for ; Wed, 5 May 2021 22:11:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17626611AD for ; Wed, 5 May 2021 22:11:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233635AbhEEWMr (ORCPT ); Wed, 5 May 2021 18:12:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233504AbhEEWMr (ORCPT ); Wed, 5 May 2021 18:12:47 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3ABC1C061574; Wed, 5 May 2021 15:11:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Bfddk5G/yEPhchklhRITjMOlFo2bM+jpufSuMTlextA=; b=pGaBTVjWyxSL+WrViv8GWI3PkU zHY/Bj8ectHuslJl7xPfFxHFYnL1EhLgYrjv4ilxF+Q3/HHmLC503s2R4hTi1Dkk/NzkqMJyOxdY/ eGKcP6o5Ah7TU2qbOL9nDXxeN7BB5JTkQ2ytRSvqiyn//IB6/k7mXF8SERyqR4wZ1QP9ZE66Uz8S+ gbF5lPYf75BY+Q92E8N5j+EEpna8QKw8BefVt6PxC8s8CaW8lamgIXKPyTgBMCl9Kx2gWP3nsfc6j 8XQjwqHYJxydwU/pCvZo5HJtwBmHpzd5QC+aizzsDUbIaKWsR3yKj7O5N9DD8n+hUbi7fdHsVYQ+L X1DNYw0Q==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lePjM-000yeC-In; Wed, 05 May 2021 22:11:16 +0000 Date: Wed, 5 May 2021 23:10:56 +0100 From: Matthew Wilcox To: kernel test robot Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 92/96] iomap: Convert iomap_write_begin and iomap_write_end to folios Message-ID: <20210505221056.GK1847222@casper.infradead.org> References: <20210505150628.111735-93-willy@infradead.org> <202105060511.863ZVBcq-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202105060511.863ZVBcq-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Thu, May 06, 2021 at 05:36:54AM +0800, kernel test robot wrote: > config: nds32-defconfig (attached as .config) > fs/iomap/buffered-io.c: In function '__iomap_write_end': > >> fs/iomap/buffered-io.c:645:2: error: implicit declaration of function 'flush_dcache_folio'; did you mean 'flush_dcache_page'? [-Werror=implicit-function-declaration] > 645 | flush_dcache_folio(folio); > | ^~~~~~~~~~~~~~~~~~ > | flush_dcache_page > cc1: some warnings being treated as errors Argh, nds32 doesn't (always) include asm-generic/cacheflush.h, so it doesn't pick up the generic implementation of flush_dcache_folio(). Copy-and-pasted it to nds32. Thanks.