Contributors: 4
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Guo Ren |
246 |
93.18% |
3 |
50.00% |
Matthew Wilcox |
10 |
3.79% |
1 |
16.67% |
Alexandre Ghiti |
4 |
1.52% |
1 |
16.67% |
Christoph Hellwig |
4 |
1.52% |
1 |
16.67% |
Total |
264 |
|
6 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ABI_CSKY_CACHEFLUSH_H
#define __ABI_CSKY_CACHEFLUSH_H
#include <linux/mm.h>
#include <asm/string.h>
#include <asm/cache.h>
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page *);
void flush_dcache_folio(struct folio *);
#define flush_dcache_folio flush_dcache_folio
#define flush_cache_mm(mm) dcache_wbinv_all()
#define flush_cache_page(vma, page, pfn) cache_wbinv_all()
#define flush_cache_dup_mm(mm) cache_wbinv_all()
#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
static inline void flush_kernel_vmap_range(void *addr, int size)
{
dcache_wbinv_all();
}
static inline void invalidate_kernel_vmap_range(void *addr, int size)
{
dcache_wbinv_all();
}
#define ARCH_HAS_FLUSH_ANON_PAGE
static inline void flush_anon_page(struct vm_area_struct *vma,
struct page *page, unsigned long vmaddr)
{
if (PageAnon(page))
cache_wbinv_all();
}
/*
* if (current_mm != vma->mm) cache_wbinv_range(start, end) will be broken.
* Use cache_wbinv_all() here and need to be improved in future.
*/
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
#define flush_cache_vmap(start, end) cache_wbinv_all()
#define flush_cache_vmap_early(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) cache_wbinv_all()
#define flush_icache_range(start, end) cache_wbinv_range(start, end)
#define flush_icache_mm_range(mm, start, end) cache_wbinv_range(start, end)
#define flush_icache_deferred(mm) do {} while (0);
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
} while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
cache_wbinv_all(); \
} while (0)
#endif /* __ABI_CSKY_CACHEFLUSH_H */