/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_BOOK3S_64_KUP_RADIX_H #define _ASM_POWERPC_BOOK3S_64_KUP_RADIX_H #include <linux/jump_label.h> DECLARE_STATIC_KEY_FALSE(uaccess_flush_key); /* Prototype for function defined in exceptions-64s.S */ void do_uaccess_flush(void); static __always_inline void allow_user_access(void __user *to, const void __user *from, unsigned long size) { } static inline void prevent_user_access(void __user *to, const void __user *from, unsigned long size) { if (static_branch_unlikely(&uaccess_flush_key)) do_uaccess_flush(); } #endif /* _ASM_POWERPC_BOOK3S_64_KUP_RADIX_H */
Name | Type | Size | Permission | Actions |
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hash-4k.h | File | 3.06 KB | 0644 |
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hash-64k.h | File | 7.25 KB | 0644 |
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hash.h | File | 6.16 KB | 0644 |
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hugetlb.h | File | 2.02 KB | 0644 |
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kup-radix.h | File | 649 B | 0644 |
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mmu-hash.h | File | 24.67 KB | 0644 |
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mmu.h | File | 4.66 KB | 0644 |
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pgalloc.h | File | 6.12 KB | 0644 |
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pgtable-4k.h | File | 1.32 KB | 0644 |
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pgtable-64k.h | File | 1.55 KB | 0644 |
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pgtable.h | File | 35.48 KB | 0644 |
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radix-4k.h | File | 391 B | 0644 |
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radix-64k.h | File | 395 B | 0644 |
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radix.h | File | 8.92 KB | 0644 |
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slice.h | File | 841 B | 0644 |
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tlbflush-hash.h | File | 2.97 KB | 0644 |
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tlbflush-radix.h | File | 2.25 KB | 0644 |
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tlbflush.h | File | 3.06 KB | 0644 |
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