Return-Path: Message-Id: <20130813155829.905513259@goodmis.org> Date: Tue, 13 Aug 2013 11:57:34 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Simon Baatz , Kevin Hilman , Russell King Subject: [40/88] ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU References: <20130813155654.069291373@goodmis.org> Content-Disposition: inline; filename=0040-ARM-7772-1-Fix-missing-flush_kernel_dcache_page-for-.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6.11.7-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Simon Baatz [ Upstream commit 63384fd0b1509acf522a8a8fcede09087eedb7df ] 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 Cc: # 3.2+: 1bc3974: ARM: 7755/1 Signed-off-by: Russell King Signed-off-by: Steven Rostedt --- 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) -- 1.7.10.4