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    Subject[PATCH 3.8 33/81] ARM: 7957/1: add DSB after icache flush in __flush_icache_all()
    Date
    3.8.13.20 -stable review patch.  If anyone has any objections, please let me know.

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

    From: Vinayak Kale <vkale@apm.com>

    commit 39544ac9df20f73e49fc6b9ac19ff533388c82c0 upstream.

    Add DSB after icache flush to complete the cache maintenance operation.

    Signed-off-by: Vinayak Kale <vkale@apm.com>
    Acked-by: Catalin Marinas <catalin.marinas@arm.com>
    Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
    Signed-off-by: Kamal Mostafa <kamal@canonical.com>
    ---
    arch/arm/include/asm/cacheflush.h | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
    index 738fcba..f591b85 100644
    --- a/arch/arm/include/asm/cacheflush.h
    +++ b/arch/arm/include/asm/cacheflush.h
    @@ -212,6 +212,7 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *,
    static inline void __flush_icache_all(void)
    {
    __flush_icache_preferred();
    + dsb();
    }

    /*
    --
    1.8.3.2


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