Messages in this thread | | | Subject | Re: [PATCH 16/31] m68knommu: use asm-generic/cacheflush.h | From | Greg Ungerer <> | Date | Wed, 13 May 2020 00:44:59 +1000 |
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Hi Christoph,
On 10/5/20 5:54 pm, Christoph Hellwig wrote: > m68knommu needs almost no cache flushing routines of its own. Rely on > asm-generic/cacheflush.h for the defaults. > > Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Regards Greg
> --- > arch/m68k/include/asm/cacheflush_no.h | 19 ++----------------- > 1 file changed, 2 insertions(+), 17 deletions(-) > > diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h > index 11e9a9dcbfb24..2731f07e7be8c 100644 > --- a/arch/m68k/include/asm/cacheflush_no.h > +++ b/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 long paddr, int len) > __clear_cache_all(); > } > > +#include <asm-generic/cacheflush.h> > + > #endif /* _M68KNOMMU_CACHEFLUSH_H */ >
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