diff options
Diffstat (limited to 'arch/powerpc/include/asm/kup.h')
| -rw-r--r-- | arch/powerpc/include/asm/kup.h | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h index 7ec21af49a45..ec96232529ac 100644 --- a/arch/powerpc/include/asm/kup.h +++ b/arch/powerpc/include/asm/kup.h @@ -28,15 +28,6 @@ #ifdef __ASSEMBLY__ #ifndef CONFIG_PPC_KUAP -.macro kuap_save_and_lock sp, thread, gpr1, gpr2, gpr3 -.endm - -.macro kuap_restore sp, current, gpr1, gpr2, gpr3 -.endm - -.macro kuap_check current, gpr -.endm - .macro kuap_check_amr gpr1, gpr2 .endm @@ -55,6 +46,14 @@ void setup_kuep(bool disabled); static inline void setup_kuep(bool disabled) { } #endif /* CONFIG_PPC_KUEP */ +#if defined(CONFIG_PPC_KUEP) && defined(CONFIG_PPC_BOOK3S_32) +void kuep_lock(void); +void kuep_unlock(void); +#else +static inline void kuep_lock(void) { } +static inline void kuep_unlock(void) { } +#endif + #ifdef CONFIG_PPC_KUAP void setup_kuap(bool disabled); #else @@ -66,7 +65,15 @@ bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) return false; } -static inline void kuap_check_amr(void) { } +static inline void kuap_assert_locked(void) { } +static inline void kuap_save_and_lock(struct pt_regs *regs) { } +static inline void kuap_user_restore(struct pt_regs *regs) { } +static inline void kuap_kernel_restore(struct pt_regs *regs, unsigned long amr) { } + +static inline unsigned long kuap_get_and_assert_locked(void) +{ + return 0; +} /* * book3s/64/kup-radix.h defines these functions for the !KUAP case to flush |