From: Christoph Hellwig <hch@xxxxxx> Subject: m68knommu: use asm-generic/cacheflush.h m68knommu needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Link: http://lkml.kernel.org/r/20200515143646.3857579-15-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Greg Ungerer <gerg@xxxxxxxxxxxxxx> Cc: Greg Ungerer <gerg@xxxxxxxxxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/m68k/include/asm/cacheflush_no.h | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) --- a/arch/m68k/include/asm/cacheflush_no.h~m68knommu-use-asm-generic-cacheflushh +++ a/arch/m68k/include/asm/cacheflush_no.h @@ -9,25 +9,8 @@ #include <asm/mcfsim.h> #define flush_cache_all() __flush_cache_all() -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr) do { } while (0) #define flush_dcache_range(start, len) __flush_dcache_all() -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -#define flush_dcache_page(page) do { } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) #define flush_icache_range(start, len) __flush_icache_all() -#define flush_icache_page(vma,pg) do { } while (0) -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) -#define flush_cache_vmap(start, end) do { } while (0) -#define flush_cache_vunmap(start, end) do { } while (0) - -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) void mcf_cache_push(void); @@ -98,4 +81,6 @@ static inline void cache_clear(unsigned __clear_cache_all(); } +#include <asm-generic/cacheflush.h> + #endif /* _M68KNOMMU_CACHEFLUSH_H */ _
