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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: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2009-02-25 11:01:40 +09:00
parent 24ff954233
commit d325100504
1 changed files with 36 additions and 17 deletions
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53
arch/x86/include/asm/cacheflush.h
View File

@ -5,24 +5,43 @@
#include <linux/mm.h>
/* Caches aren't brain-dead on the intel. */
#define flush_cache_all() do { } while (0)
#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, pfn) do { } while (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, 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 flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
static inline void flush_cache_all(void) { }
static inline void flush_cache_mm(struct mm_struct *mm) { }
static inline void flush_cache_dup_mm(struct mm_struct *mm) { }
static inline void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end) { }
static inline void flush_cache_page(struct vm_area_struct *vma,
unsigned long vmaddr, unsigned long pfn) { }
static inline void flush_dcache_page(struct page *page) { }
static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }
static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }
static inline void flush_icache_range(unsigned long start,
unsigned long end) { }
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) \
memcpy((dst), (src), (len))
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
memcpy((dst), (src), (len))
static inline void copy_to_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);
}
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
PAGEFLAG(NonWB, non_WB)