mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 06:20:53 +07:00
39e688a94b
These ended up causing too many problems on older parts, revert for now.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
#ifndef __ASM_SH_CACHEFLUSH_H
|
|
#define __ASM_SH_CACHEFLUSH_H
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/mm.h>
|
|
#include <asm/cpu/cacheflush.h>
|
|
|
|
/* Flush (write-back only) a region (smaller than a page) */
|
|
extern void __flush_wback_region(void *start, int size);
|
|
/* Flush (write-back & invalidate) a region (smaller than a page) */
|
|
extern void __flush_purge_region(void *start, int size);
|
|
/* Flush (invalidate only) a region (smaller than a page) */
|
|
extern void __flush_invalidate_region(void *start, int size);
|
|
|
|
#define flush_cache_vmap(start, end) flush_cache_all()
|
|
#define flush_cache_vunmap(start, end) flush_cache_all()
|
|
|
|
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
|
|
do { \
|
|
flush_cache_page(vma, vaddr, page_to_pfn(page));\
|
|
memcpy(dst, src, len); \
|
|
flush_icache_user_range(vma, page, vaddr, len); \
|
|
} while (0)
|
|
|
|
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
|
|
do { \
|
|
flush_cache_page(vma, vaddr, page_to_pfn(page));\
|
|
memcpy(dst, src, len); \
|
|
} while (0)
|
|
|
|
#define HAVE_ARCH_UNMAPPED_AREA
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* __ASM_SH_CACHEFLUSH_H */
|