From patchwork Tue Sep 22 21:46:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ross Zwisler X-Patchwork-Id: 7246041 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 309C8BEEC1 for ; Tue, 22 Sep 2015 21:47:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6B802209CF for ; Tue, 22 Sep 2015 21:47:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87533209C6 for ; Tue, 22 Sep 2015 21:47:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934863AbbIVVrK (ORCPT ); Tue, 22 Sep 2015 17:47:10 -0400 Received: from mga02.intel.com ([134.134.136.20]:58700 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934656AbbIVVrK (ORCPT ); Tue, 22 Sep 2015 17:47:10 -0400 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP; 22 Sep 2015 14:47:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,574,1437462000"; d="scan'208";a="566518913" Received: from theros.lm.intel.com ([10.232.112.60]) by FMSMGA003.fm.intel.com with ESMTP; 22 Sep 2015 14:47:08 -0700 From: Ross Zwisler To: linux-kernel@vger.kernel.org Cc: Ross Zwisler , linux-sh@vger.kernel.org, Geert Uytterhoeven , Andy Shevchenko , Matthew Wilcox , linux-fsdevel@vger.kernel.org Subject: [PATCH] sh: add copy_user_page() alias for __copy_user() Date: Tue, 22 Sep 2015 15:46:51 -0600 Message-Id: <1442958411-4271-1-git-send-email-ross.zwisler@linux.intel.com> X-Mailer: git-send-email 2.1.0 MIME-Version: 1.0 Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP copy_user_page() is needed by DAX. Without this we get a compile error for DAX on SH: fs/dax.c:280:2: error: implicit declaration of function ‘copy_user_page’ [-Werror=implicit-function-declaration] copy_user_page(vto, (void __force *)vfrom, vaddr, to); ^ This was done with a random config that happened to include DAX support. This patch has only been compile tested. Signed-off-by: Ross Zwisler Reported-by: Geert Uytterhoeven --- Apologies for the resend, I wanted to add some more recipients. --- arch/sh/include/asm/page.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index fe20d14..ceb5201 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -59,6 +59,7 @@ pages_do_alias(unsigned long addr1, unsigned long addr2) #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) extern void copy_page(void *to, void *from); +#define copy_user_page(to, from, vaddr, pg) __copy_user(to, from, PAGE_SIZE) struct page; struct vm_area_struct;