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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
938f8464 ME |
2 | /* |
3 | * Copyright 2017, Michael Ellerman, IBM Corporation. | |
938f8464 ME |
4 | */ |
5 | #ifndef _LINUX_SET_MEMORY_H_ | |
6 | #define _LINUX_SET_MEMORY_H_ | |
7 | ||
8 | #ifdef CONFIG_ARCH_HAS_SET_MEMORY | |
9 | #include <asm/set_memory.h> | |
10 | #else | |
11 | static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } | |
12 | static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } | |
13 | static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } | |
14 | static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } | |
15 | #endif | |
16 | ||
d253ca0c RE |
17 | #ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP |
18 | static inline int set_direct_map_invalid_noflush(struct page *page) | |
19 | { | |
20 | return 0; | |
21 | } | |
22 | static inline int set_direct_map_default_noflush(struct page *page) | |
23 | { | |
24 | return 0; | |
25 | } | |
32a0de88 MR |
26 | |
27 | static inline bool kernel_page_present(struct page *page) | |
28 | { | |
29 | return true; | |
30 | } | |
d253ca0c RE |
31 | #endif |
32 | ||
284ce401 | 33 | #ifndef set_mce_nospec |
17fae129 | 34 | static inline int set_mce_nospec(unsigned long pfn, bool unmap) |
284ce401 DW |
35 | { |
36 | return 0; | |
37 | } | |
38 | #endif | |
39 | ||
40 | #ifndef clear_mce_nospec | |
41 | static inline int clear_mce_nospec(unsigned long pfn) | |
42 | { | |
43 | return 0; | |
44 | } | |
45 | #endif | |
46 | ||
b7fa0746 CH |
47 | #ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT |
48 | static inline int set_memory_encrypted(unsigned long addr, int numpages) | |
49 | { | |
50 | return 0; | |
51 | } | |
52 | ||
53 | static inline int set_memory_decrypted(unsigned long addr, int numpages) | |
54 | { | |
55 | return 0; | |
56 | } | |
57 | #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ | |
58 | ||
938f8464 | 59 | #endif /* _LINUX_SET_MEMORY_H_ */ |