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59 lines
1.3 KiB
59 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright 2017, Michael Ellerman, IBM Corporation. |
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*/ |
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#ifndef _LINUX_SET_MEMORY_H_ |
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#define _LINUX_SET_MEMORY_H_ |
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#ifdef CONFIG_ARCH_HAS_SET_MEMORY |
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#include <asm/set_memory.h> |
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#else |
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static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } |
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static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } |
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static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } |
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static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } |
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#endif |
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#ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP |
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static inline int set_direct_map_invalid_noflush(struct page *page) |
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{ |
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return 0; |
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} |
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static inline int set_direct_map_default_noflush(struct page *page) |
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{ |
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return 0; |
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} |
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static inline bool kernel_page_present(struct page *page) |
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{ |
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return true; |
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} |
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#endif |
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#ifndef set_mce_nospec |
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static inline int set_mce_nospec(unsigned long pfn, bool unmap) |
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{ |
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return 0; |
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} |
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#endif |
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#ifndef clear_mce_nospec |
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static inline int clear_mce_nospec(unsigned long pfn) |
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{ |
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return 0; |
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} |
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#endif |
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#ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT |
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static inline int set_memory_encrypted(unsigned long addr, int numpages) |
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{ |
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return 0; |
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} |
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static inline int set_memory_decrypted(unsigned long addr, int numpages) |
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{ |
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return 0; |
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} |
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#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ |
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#endif /* _LINUX_SET_MEMORY_H_ */
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