This is a note to let you know that I've just added the patch titled
ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-7772-1-fix-missing-flush_kernel_dcache_page-for-nommu.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 63384fd0b1509acf522a8a8fcede09087eedb7df Mon Sep 17 00:00:00 2001
From: Simon Baatz <gmbnomis@xxxxxxxxx>
Date: Sat, 22 Jun 2013 22:01:25 +0100
Subject: ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU
From: Simon Baatz <gmbnomis@xxxxxxxxx>
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 <gmbnomis@xxxxxxxxx>
Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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)
Patches currently in stable-queue which might be from gmbnomis@xxxxxxxxx are
queue-3.9/arm-7755-1-handle-user-space-mapped-pages-in-flush_kernel_dcache_page.patch
queue-3.9/arm-7772-1-fix-missing-flush_kernel_dcache_page-for-nommu.patch
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