diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/asm-prototypes.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/kup-radix.h | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/switch_to.h | 6 |
4 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h index ab59a4904254..7d81e86a1e5d 100644 --- a/arch/powerpc/include/asm/asm-prototypes.h +++ b/arch/powerpc/include/asm/asm-prototypes.h @@ -99,6 +99,8 @@ void __init machine_init(u64 dt_ptr); #endif long system_call_exception(long r3, long r4, long r5, long r6, long r7, long r8, unsigned long r0, struct pt_regs *regs); notrace unsigned long syscall_exit_prepare(unsigned long r3, struct pt_regs *regs); +notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned long msr); +notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsigned long msr); long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low, u32 len_high, u32 len_low); diff --git a/arch/powerpc/include/asm/book3s/64/kup-radix.h b/arch/powerpc/include/asm/book3s/64/kup-radix.h index 71081d90f999..3bcef989a35d 100644 --- a/arch/powerpc/include/asm/book3s/64/kup-radix.h +++ b/arch/powerpc/include/asm/book3s/64/kup-radix.h @@ -60,6 +60,12 @@ #include <asm/mmu.h> #include <asm/ptrace.h> +static inline void kuap_restore_amr(struct pt_regs *regs) +{ + if (mmu_has_feature(MMU_FTR_RADIX_KUAP)) + mtspr(SPRN_AMR, regs->kuap); +} + static inline void kuap_check_amr(void) { if (IS_ENABLED(CONFIG_PPC_KUAP_DEBUG) && mmu_has_feature(MMU_FTR_RADIX_KUAP)) @@ -136,6 +142,10 @@ bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) "Bug: %s fault blocked by AMR!", is_write ? "Write" : "Read"); } #else /* CONFIG_PPC_KUAP */ +static inline void kuap_restore_amr(struct pt_regs *regs) +{ +} + static inline void kuap_check_amr(void) { } diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 0e9a9598f91f..e0e71777961f 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -52,6 +52,7 @@ #ifndef __ASSEMBLY__ extern void replay_system_reset(void); +extern void replay_soft_interrupts(void); extern void timer_interrupt(struct pt_regs *); extern void timer_broadcast_interrupt(void); diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 476008bc3d08..b867b58b1093 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -23,7 +23,13 @@ extern void switch_booke_debug_regs(struct debug_reg *new_debug); extern int emulate_altivec(struct pt_regs *); +#ifdef CONFIG_PPC_BOOK3S_64 void restore_math(struct pt_regs *regs); +#else +static inline void restore_math(struct pt_regs *regs) +{ +} +#endif void restore_tm_state(struct pt_regs *regs); |