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Diffstat (limited to 'arch/powerpc/include/asm/kup.h')
-rw-r--r--arch/powerpc/include/asm/kup.h52
1 files changed, 1 insertions, 51 deletions
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h
index dab63b82a8d4..4a4145a244f2 100644
--- a/arch/powerpc/include/asm/kup.h
+++ b/arch/powerpc/include/asm/kup.h
@@ -72,8 +72,7 @@ static __always_inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned
* platforms.
*/
#ifndef CONFIG_PPC_BOOK3S_64
-static __always_inline void allow_user_access(void __user *to, const void __user *from,
- unsigned long size, unsigned long dir) { }
+static __always_inline void allow_user_access(void __user *to, unsigned long dir) { }
static __always_inline void prevent_user_access(unsigned long dir) { }
static __always_inline unsigned long prevent_user_access_return(void) { return 0UL; }
static __always_inline void restore_user_access(unsigned long flags) { }
@@ -132,55 +131,6 @@ static __always_inline void kuap_assert_locked(void)
kuap_get_and_assert_locked();
}
-static __always_inline void allow_read_from_user(const void __user *from, unsigned long size)
-{
- barrier_nospec();
- allow_user_access(NULL, from, size, KUAP_READ);
-}
-
-static __always_inline void allow_write_to_user(void __user *to, unsigned long size)
-{
- allow_user_access(to, NULL, size, KUAP_WRITE);
-}
-
-static __always_inline void allow_read_write_user(void __user *to, const void __user *from,
- unsigned long size)
-{
- barrier_nospec();
- allow_user_access(to, from, size, KUAP_READ_WRITE);
-}
-
-static __always_inline void prevent_read_from_user(const void __user *from, unsigned long size)
-{
- prevent_user_access(KUAP_READ);
-}
-
-static __always_inline void prevent_write_to_user(void __user *to, unsigned long size)
-{
- prevent_user_access(KUAP_WRITE);
-}
-
-static __always_inline void prevent_read_write_user(void __user *to, const void __user *from,
- unsigned long size)
-{
- prevent_user_access(KUAP_READ_WRITE);
-}
-
-static __always_inline void prevent_current_access_user(void)
-{
- prevent_user_access(KUAP_READ_WRITE);
-}
-
-static __always_inline void prevent_current_read_from_user(void)
-{
- prevent_user_access(KUAP_READ);
-}
-
-static __always_inline void prevent_current_write_to_user(void)
-{
- prevent_user_access(KUAP_WRITE);
-}
-
#endif /* !__ASSEMBLER__ */
#endif /* _ASM_POWERPC_KUAP_H_ */