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    Subject[PATCH 20/31] arm,sparc,unicore32: remove flush_icache_user_range
    Date
    flush_icache_user_range is only used by <asm-generic/cacheflush.h>, so
    remove it from the architectures that implement it, but don't use
    <asm-generic/cacheflush.h>.

    Signed-off-by: Christoph Hellwig <hch@lst.de>
    ---
    arch/arm/include/asm/cacheflush.h | 3 ---
    arch/sparc/include/asm/cacheflush_32.h | 2 --
    arch/sparc/include/asm/cacheflush_64.h | 1 -
    arch/unicore32/include/asm/cacheflush.h | 3 ---
    4 files changed, 9 deletions(-)

    diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
    index 7114b9aa46b87..c78e14fcfb5df 100644
    --- a/arch/arm/include/asm/cacheflush.h
    +++ b/arch/arm/include/asm/cacheflush.h
    @@ -318,9 +318,6 @@ extern void flush_kernel_dcache_page(struct page *);
    #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
    #define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)

    -#define flush_icache_user_range(vma,page,addr,len) \
    - flush_dcache_page(page)
    -
    /*
    * We don't appear to need to do anything here. In fact, if we did, we'd
    * duplicate cache flushing elsewhere performed by flush_dcache_page().
    diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h
    index fb66094a2c30c..41c6d734a4741 100644
    --- a/arch/sparc/include/asm/cacheflush_32.h
    +++ b/arch/sparc/include/asm/cacheflush_32.h
    @@ -17,8 +17,6 @@
    #define flush_icache_range(start, end) do { } while (0)
    #define flush_icache_page(vma, pg) do { } while (0)

    -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
    -
    #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
    do { \
    flush_cache_page(vma, vaddr, page_to_pfn(page));\
    diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h
    index e7517434d1fa6..b9341836597ec 100644
    --- a/arch/sparc/include/asm/cacheflush_64.h
    +++ b/arch/sparc/include/asm/cacheflush_64.h
    @@ -49,7 +49,6 @@ void __flush_dcache_range(unsigned long start, unsigned long end);
    void flush_dcache_page(struct page *page);

    #define flush_icache_page(vma, pg) do { } while(0)
    -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)

    void flush_ptrace_access(struct vm_area_struct *, struct page *,
    unsigned long uaddr, void *kaddr,
    diff --git a/arch/unicore32/include/asm/cacheflush.h b/arch/unicore32/include/asm/cacheflush.h
    index 9393ca4047e93..ff0be92ebc320 100644
    --- a/arch/unicore32/include/asm/cacheflush.h
    +++ b/arch/unicore32/include/asm/cacheflush.h
    @@ -162,9 +162,6 @@ extern void flush_dcache_page(struct page *);
    #define flush_dcache_mmap_lock(mapping) do { } while (0)
    #define flush_dcache_mmap_unlock(mapping) do { } while (0)

    -#define flush_icache_user_range(vma, page, addr, len) \
    - flush_dcache_page(page)
    -
    /*
    * We don't appear to need to do anything here. In fact, if we did, we'd
    * duplicate cache flushing elsewhere performed by flush_dcache_page().
    --
    2.26.2
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