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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 EC488C433EF for ; Mon, 20 Sep 2021 18:02:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D321561381 for ; Mon, 20 Sep 2021 18:02:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357290AbhITSDv (ORCPT ); Mon, 20 Sep 2021 14:03:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:57186 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245202AbhITR5E (ORCPT ); Mon, 20 Sep 2021 13:57:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8FCCC63215; Mon, 20 Sep 2021 17:14:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632158082; bh=f7OzJME8Fw6YO8kQmZ5P941hfIMsxedvXEj0duAHYno=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sezg8PZpnoUvXs4VHUZfsDMG1uChiKDFN7exAT5bgm7LkOURdsNU6gIb7vhUOn5pi /4fq4+2Gy7LbjmkNYDQpe7LVzMNznEzXypzNv/93JMachLMU3BoJePI17CqFiNKDCs UuBsJQ3naE7mHp31A/ZTWtun4Aci0bk8d/lD0EVg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Randy Dunlap , kernel test robot , Guenter Roeck , linux-snps-arc@lists.infradead.org, Vineet Gupta , Sasha Levin Subject: [PATCH 4.19 287/293] ARC: export clear_user_page() for modules Date: Mon, 20 Sep 2021 18:44:09 +0200 Message-Id: <20210920163943.259534921@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163933.258815435@linuxfoundation.org> References: <20210920163933.258815435@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Randy Dunlap [ Upstream commit 6b5ff0405e4190f23780362ea324b250bc495683 ] 0day bot reports a build error: ERROR: modpost: "clear_user_page" [drivers/media/v4l2-core/videobuf-dma-sg.ko] undefined! so export it in arch/arc/ to fix the build error. In most ARCHes, clear_user_page() is a macro. OTOH, in a few ARCHes it is a function and needs to be exported. PowerPC exported it in 2004. It looks like nds32 and nios2 still need to have it exported. Fixes: 4102b53392d63 ("ARC: [mm] Aliasing VIPT dcache support 2/4") Signed-off-by: Randy Dunlap Reported-by: kernel test robot Cc: Guenter Roeck Cc: linux-snps-arc@lists.infradead.org Signed-off-by: Vineet Gupta Signed-off-by: Sasha Levin --- arch/arc/mm/cache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index cf9619d4efb4..c5254c5967ed 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -1112,7 +1112,7 @@ void clear_user_page(void *to, unsigned long u_vaddr, struct page *page) clear_page(to); clear_bit(PG_dc_clean, &page->flags); } - +EXPORT_SYMBOL(clear_user_page); /********************************************************************** * Explicit Cache flush request from user space via syscall -- 2.30.2