Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Michael Ellerman |
148 |
49.33% |
1 |
5.88% |
| Peter Zijlstra |
34 |
11.33% |
3 |
17.65% |
| Rick Edgecombe |
24 |
8.00% |
1 |
5.88% |
| Mike Rapoport |
23 |
7.67% |
2 |
11.76% |
| Dan J Williams |
20 |
6.67% |
1 |
5.88% |
| Rafael J. Wysocki |
17 |
5.67% |
1 |
5.88% |
| Christoph Hellwig |
12 |
4.00% |
1 |
5.88% |
| Jane Chu |
8 |
2.67% |
1 |
5.88% |
| Tony Luck |
5 |
1.67% |
1 |
5.88% |
| Thomas Gleixner |
5 |
1.67% |
2 |
11.76% |
| Logan Gunthorpe |
2 |
0.67% |
1 |
5.88% |
| Steven Rostedt |
1 |
0.33% |
1 |
5.88% |
| Laura Abbott |
1 |
0.33% |
1 |
5.88% |
| Total |
300 |
|
17 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2017, Michael Ellerman, IBM Corporation.
*/
#ifndef _LINUX_SET_MEMORY_H_
#define _LINUX_SET_MEMORY_H_
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
#include <asm/set_memory.h>
#else
static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
#endif
#ifndef set_memory_rox
static inline int set_memory_rox(unsigned long addr, int numpages)
{
int ret = set_memory_ro(addr, numpages);
if (ret)
return ret;
return set_memory_x(addr, numpages);
}
#endif
#ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP
static inline int set_direct_map_invalid_noflush(struct page *page)
{
return 0;
}
static inline int set_direct_map_default_noflush(struct page *page)
{
return 0;
}
static inline bool kernel_page_present(struct page *page)
{
return true;
}
#else /* CONFIG_ARCH_HAS_SET_DIRECT_MAP */
/*
* Some architectures, e.g. ARM64 can disable direct map modifications at
* boot time. Let them overrive this query.
*/
#ifndef can_set_direct_map
static inline bool can_set_direct_map(void)
{
return true;
}
#define can_set_direct_map can_set_direct_map
#endif
#endif /* CONFIG_ARCH_HAS_SET_DIRECT_MAP */
#ifdef CONFIG_X86_64
int set_mce_nospec(unsigned long pfn);
int clear_mce_nospec(unsigned long pfn);
#else
static inline int set_mce_nospec(unsigned long pfn)
{
return 0;
}
static inline int clear_mce_nospec(unsigned long pfn)
{
return 0;
}
#endif
#ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT
static inline int set_memory_encrypted(unsigned long addr, int numpages)
{
return 0;
}
static inline int set_memory_decrypted(unsigned long addr, int numpages)
{
return 0;
}
#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
#endif /* _LINUX_SET_MEMORY_H_ */