blob: bfa30b75b2b8e628f00502e911409b3116a7930e [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-only
* Copyright (C) 2017 ARM Ltd.
#include <linux/uaccess.h>
#include <asm/barrier.h>
#include <asm/cacheflush.h>
void memcpy_flushcache(void *dst, const void *src, size_t cnt)
* We assume this should not be called with @dst pointing to
* non-cacheable memory, such that we don't need an explicit
* barrier to order the cache maintenance against the memcpy.
memcpy(dst, src, cnt);
__clean_dcache_area_pop(dst, cnt);
void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
size_t len)
memcpy_flushcache(to, page_address(page) + offset, len);
unsigned long __copy_user_flushcache(void *to, const void __user *from,
unsigned long n)
unsigned long rc;
rc = __arch_copy_from_user(to, from, n);
/* See above */
__clean_dcache_area_pop(to, n - rc);
return rc;