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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/asm-generic/cacheflush.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_CACHEFLUSH_H
3 #define __ASM_CACHEFLUSH_H
5 /* Keep includes the same across arches. */
9 * The cache doesn't need to be flushed when TLB entries change when
10 * the cache is mapped to physical memory, not virtual memory
12 #define flush_cache_all() do { } while (0)
13 #define flush_cache_mm(mm) do { } while (0)
14 #define flush_cache_dup_mm(mm) do { } while (0)
15 #define flush_cache_range(vma, start, end) do { } while (0)
16 #define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
17 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
18 #define flush_dcache_page(page) do { } while (0)
19 #define flush_dcache_mmap_lock(mapping) do { } while (0)
20 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
21 #define flush_icache_range(start, end) do { } while (0)
22 #define flush_icache_page(vma,pg) do { } while (0)
23 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
24 #define flush_cache_vmap(start, end) do { } while (0)
25 #define flush_cache_vunmap(start, end) do { } while (0)
27 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
29 memcpy(dst, src, len); \
30 flush_icache_user_range(vma, page, vaddr, len); \
32 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
35 #endif /* __ASM_CACHEFLUSH_H */