mirror of
https://gitee.com/bianbu-linux/linux-6.6
synced 2025-04-24 14:07:52 -04:00
203b7b6aad
Move the default (no-op) implementation of flush_icache_pages() to <linux/cacheflush.h> from <asm-generic/cacheflush.h>. Remove the flush_icache_page() wrapper from each architecture into <linux/cacheflush.h>. Link: https://lkml.kernel.org/r/20230802151406.3735276-32-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
56 lines
2 KiB
C
56 lines
2 KiB
C
/*
|
|
* Copyright (C) 2003 Microtronix Datacom Ltd.
|
|
* Copyright (C) 2000-2002 Greg Ungerer <gerg@snapgear.com>
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
|
|
#ifndef _ASM_NIOS2_CACHEFLUSH_H
|
|
#define _ASM_NIOS2_CACHEFLUSH_H
|
|
|
|
#include <linux/mm_types.h>
|
|
|
|
/*
|
|
* This flag is used to indicate that the page pointed to by a pte is clean
|
|
* and does not require cleaning before returning it to the user.
|
|
*/
|
|
#define PG_dcache_clean PG_arch_1
|
|
|
|
struct mm_struct;
|
|
|
|
extern void flush_cache_all(void);
|
|
extern void flush_cache_mm(struct mm_struct *mm);
|
|
extern void flush_cache_dup_mm(struct mm_struct *mm);
|
|
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
|
|
unsigned long end);
|
|
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr,
|
|
unsigned long pfn);
|
|
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
|
|
void flush_dcache_page(struct page *page);
|
|
void flush_dcache_folio(struct folio *folio);
|
|
#define flush_dcache_folio flush_dcache_folio
|
|
|
|
extern void flush_icache_range(unsigned long start, unsigned long end);
|
|
void flush_icache_pages(struct vm_area_struct *vma, struct page *page,
|
|
unsigned int nr);
|
|
#define flush_icache_pages flush_icache_pages
|
|
|
|
#define flush_cache_vmap(start, end) flush_dcache_range(start, end)
|
|
#define flush_cache_vunmap(start, end) flush_dcache_range(start, end)
|
|
|
|
extern void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
|
|
unsigned long user_vaddr,
|
|
void *dst, void *src, int len);
|
|
extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
|
|
unsigned long user_vaddr,
|
|
void *dst, void *src, int len);
|
|
|
|
extern void flush_dcache_range(unsigned long start, unsigned long end);
|
|
extern void invalidate_dcache_range(unsigned long start, unsigned long end);
|
|
|
|
#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
|
|
#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
|
|
|
|
#endif /* _ASM_NIOS2_CACHEFLUSH_H */
|