lkml.org 
[lkml]   [2013]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[ 03/26] ARM: 7772/1: Fix missing flush_kernel_dcache_page() for noMMU
    Date
    3.9-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Simon Baatz <gmbnomis@gmail.com>

    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@gmail.com>
    Acked-by: Kevin Hilman <khilman@linaro.org>
    Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    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)



    \
     
     \ /
      Last update: 2013-07-01 23:01    [W:4.103 / U:0.068 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site