From patchwork Tue Jan 5 03:44:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Randy Dunlap X-Patchwork-Id: 11998083 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 E1CCFC433E9 for ; Tue, 5 Jan 2021 03:48:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2BC0229C6 for ; Tue, 5 Jan 2021 03:48:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728314AbhAEDsT (ORCPT ); Mon, 4 Jan 2021 22:48:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726168AbhAEDsS (ORCPT ); Mon, 4 Jan 2021 22:48:18 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5B67C061793; Mon, 4 Jan 2021 19:47:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=xvxlCGowN31Xh/eMwMOxKX1sU7xQYvnwJjb9H7a7Qfg=; b=fCOcY9KPiE3XxHr3mGOAN9ApBw xwhr9RFjdx/HiAqNsrqURth49nt/hE+aettEIsGIjhsfRhogSUvHCLPaWdYU/eCOxX8fUrverXQR8 QM0M9hbX5loFyoLA673vdQKUP3M7zwXBfTgQ2V1DLyX6sPuxTiHyJ+xYCMnjVE1MCNZRAcrGG2Gnc zRIeawk6r+suf8O68gRuFKUqfWKXOgq2Oy7MZdYLDSIqEwu9DjMYRmU+175FCNyHZtVvVoACKzh+l aWKp/kC+vglC9HQLKl5Bkfme1t4d6me6C2VlRHTHOsh2waxKdspw9XXAvAdJhapR7QfupQhWBM+kI b+79Zuyg==; Received: from [2601:1c0:6280:3f0::64ea] (helo=smtpauth.infradead.org) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1kwdHH-000pmb-BU; Tue, 05 Jan 2021 03:45:50 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , kernel test robot , Vineet Gupta , linux-snps-arc@lists.infradead.org, Dan Williams , Andrew Morton , Matthew Wilcox , Jan Kara , linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org Subject: [PATCH v3] arch/arc: add copy_user_page() to to fix build error on ARC Date: Mon, 4 Jan 2021 19:44:53 -0800 Message-Id: <20210105034453.12629-1-rdunlap@infradead.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org fs/dax.c uses copy_user_page() but ARC does not provide that interface, resulting in a build error. Provide copy_user_page() in . ../fs/dax.c: In function 'copy_cow_page_dax': ../fs/dax.c:702:2: error: implicit declaration of function 'copy_user_page'; did you mean 'copy_to_user_page'? [-Werror=implicit-function-declaration] Reported-by: kernel test robot Signed-off-by: Randy Dunlap Cc: Vineet Gupta Cc: linux-snps-arc@lists.infradead.org Cc: Dan Williams #Acked-by: Vineet Gupta # v1 Cc: Andrew Morton Cc: Matthew Wilcox Cc: Jan Kara Cc: linux-fsdevel@vger.kernel.org Cc: linux-nvdimm@lists.01.org #Reviewed-by: Ira Weiny # v2 --- v2: rebase, add more Cc: v3: add copy_user_page() to arch/arc/include/asm/page.h arch/arc/include/asm/page.h | 1 + --- lnx-511-rc1.orig/arch/arc/include/asm/page.h +++ lnx-511-rc1/arch/arc/include/asm/page.h @@ -10,6 +10,7 @@ #ifndef __ASSEMBLY__ #define clear_page(paddr) memset((paddr), 0, PAGE_SIZE) +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) #define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) struct vm_area_struct;