From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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: [ 03/26] ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU Date: Mon, 1 Jul 2013 13:09:58 -0700 Message-Id: <20130701200730.298055633@linuxfoundation.org> In-Reply-To: <20130701200729.872850414@linuxfoundation.org> References: <20130701200729.872850414@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.9-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)