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Commit d3251005 authored by Tejun Heo's avatar Tejun Heo
Browse files

x86: convert cacheflush macros inline functions 



Impact: cleanup

Unused macro parameters cause spurious unused variable warnings.
Convert all cacheflush macros to inline functions to avoid the
warnings and achieve better type checking.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 24ff9542

arch/x86/include/asm/cacheflush.h

+36 −17
Original line number Original line Diff line number Diff line
@@ -5,24 +5,43 @@ 
#include <linux/mm.h>

#include <linux/mm.h>





/* Caches aren't brain-dead on the intel. */

/* Caches aren't brain-dead on the intel. */

#define flush_cache_all()			do { } while (0)

static inline void flush_cache_all(void) { }

#define flush_cache_mm(mm)			do { } while (0)

static inline void flush_cache_mm(struct mm_struct *mm) { }

#define flush_cache_dup_mm(mm)			do { } while (0)

static inline void flush_cache_dup_mm(struct mm_struct *mm) { }

#define flush_cache_range(vma, start, end)	do { } while (0)

static inline void flush_cache_range(struct vm_area_struct *vma,

#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)

				     unsigned long start, unsigned long end) { }

#define flush_dcache_page(page)			do { } while (0)

static inline void flush_cache_page(struct vm_area_struct *vma,

#define flush_dcache_mmap_lock(mapping)		do { } while (0)

				    unsigned long vmaddr, unsigned long pfn) { }

#define flush_dcache_mmap_unlock(mapping)	do { } while (0)

static inline void flush_dcache_page(struct page *page) { }

#define flush_icache_range(start, end)		do { } while (0)

static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }

#define flush_icache_page(vma, pg)		do { } while (0)

static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }

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

static inline void flush_icache_range(unsigned long start,

#define flush_cache_vmap(start, end)		do { } while (0)

				      unsigned long end) { }

#define flush_cache_vunmap(start, end)		do { } while (0)

static inline void flush_icache_page(struct vm_area_struct *vma,

				     struct page *page) { }

static inline void flush_icache_user_range(struct vm_area_struct *vma,

					   struct page *page,

					   unsigned long addr,

					   unsigned long len) { }

static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }

static inline void flush_cache_vunmap(unsigned long start,

				      unsigned long end) { }





#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\

static inline void copy_to_user_page(struct vm_area_struct *vma,

	memcpy((dst), (src), (len))

				     struct page *page, unsigned long vaddr,

#define copy_from_user_page(vma, page, vaddr, dst, src, len)	\

				     void *dst, const void *src,

	memcpy((dst), (src), (len))

				     unsigned long len)

{

	memcpy(dst, src, len);

}



static inline void copy_from_user_page(struct vm_area_struct *vma,

				       struct page *page, unsigned long vaddr,

				       void *dst, const void *src,

				       unsigned long len)

{

	memcpy(dst, src, len);

}





#define PG_non_WB				PG_arch_1

#define PG_non_WB				PG_arch_1

PAGEFLAG(NonWB, non_WB)

PAGEFLAG(NonWB, non_WB)