Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Oliver O'Halloran |
228 |
97.44% |
2 |
50.00% |
| Christophe Leroy |
4 |
1.71% |
1 |
25.00% |
| Thomas Gleixner |
2 |
0.85% |
1 |
25.00% |
| Total |
234 |
|
4 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright(c) 2017 IBM Corporation. All rights reserved.
*/
#include <linux/string.h>
#include <linux/export.h>
#include <linux/uaccess.h>
#include <asm/cacheflush.h>
/*
* CONFIG_ARCH_HAS_PMEM_API symbols
*/
void arch_wb_cache_pmem(void *addr, size_t size)
{
unsigned long start = (unsigned long) addr;
flush_dcache_range(start, start + size);
}
EXPORT_SYMBOL(arch_wb_cache_pmem);
void arch_invalidate_pmem(void *addr, size_t size)
{
unsigned long start = (unsigned long) addr;
flush_dcache_range(start, start + size);
}
EXPORT_SYMBOL(arch_invalidate_pmem);
/*
* CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE symbols
*/
long __copy_from_user_flushcache(void *dest, const void __user *src,
unsigned size)
{
unsigned long copied, start = (unsigned long) dest;
copied = __copy_from_user(dest, src, size);
flush_dcache_range(start, start + size);
return copied;
}
void *memcpy_flushcache(void *dest, const void *src, size_t size)
{
unsigned long start = (unsigned long) dest;
memcpy(dest, src, size);
flush_dcache_range(start, start + size);
return dest;
}
EXPORT_SYMBOL(memcpy_flushcache);
void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
size_t len)
{
memcpy_flushcache(to, page_to_virt(page) + offset, len);
}
EXPORT_SYMBOL(memcpy_page_flushcache);