From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755522Ab3GAUKp (ORCPT ); Mon, 1 Jul 2013 16:10:45 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:49086 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755439Ab3GAUKn (ORCPT ); Mon, 1 Jul 2013 16:10:43 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Simon Baatz , Kevin Hilman , Russell King Subject: [ 02/13] ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU Date: Mon, 1 Jul 2013 13:10:21 -0700 Message-Id: <20130701200523.390724984@linuxfoundation.org> X-Mailer: git-send-email 1.8.3.rc0.20.gb99dd2e In-Reply-To: <20130701200523.096669485@linuxfoundation.org> References: <20130701200523.096669485@linuxfoundation.org> User-Agent: quilt/0.60-5.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Simon Baatz commit 63384fd0b1509acf522a8a8fcede09087eedb7df upstream. Commit 1bc3974 (ARM: 7755/1: handle user space mapped pages in flush_kernel_dcache_page) moved the implementation of flush_kernel_dcache_page() into mm/flush.c but did not implement it on noMMU ARM. Signed-off-by: Simon Baatz Acked-by: Kevin Hilman Signed-off-by: Russell King Signed-off-by: Greg Kroah-Hartman --- arch/arm/mm/nommu.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -57,6 +57,12 @@ void flush_dcache_page(struct page *page } EXPORT_SYMBOL(flush_dcache_page); +void flush_kernel_dcache_page(struct page *page) +{ + __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); +} +EXPORT_SYMBOL(flush_kernel_dcache_page); + void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long uaddr, void *dst, const void *src, unsigned long len)