From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755661Ab3GBLIk (ORCPT ); Tue, 2 Jul 2013 07:08:40 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:36335 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755342Ab3GBLIg (ORCPT ); Tue, 2 Jul 2013 07:08:36 -0400 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Simon Baatz , Russell King , Luis Henriques Subject: [PATCH 40/50] ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU Date: Tue, 2 Jul 2013 12:07:28 +0100 Message-Id: <1372763258-20664-41-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1372763258-20664-1-git-send-email-luis.henriques@canonical.com> References: <1372763258-20664-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.5.7.16 -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: Luis Henriques --- arch/arm/mm/nommu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index d51225f..eb5293a 100644 --- 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) -- 1.8.1.2