diff --git a/arch/xtensa/include/asm/traps.h b/arch/xtensa/include/asm/traps.h index 6fa47cd8e02d..fc63217232a4 100644 --- a/arch/xtensa/include/asm/traps.h +++ b/arch/xtensa/include/asm/traps.h @@ -39,8 +39,22 @@ struct exc_table { * void (*)(struct pt_regs *regs, unsigned long exccause); */ extern void * __init trap_set_handler(int cause, void *handler); -extern void do_unhandled(struct pt_regs *regs, unsigned long exccause); -void fast_second_level_miss(void); + +asmlinkage void fast_illegal_instruction_user(void); +asmlinkage void fast_syscall_user(void); +asmlinkage void fast_alloca(void); +asmlinkage void fast_unaligned(void); +asmlinkage void fast_second_level_miss(void); +asmlinkage void fast_store_prohibited(void); +asmlinkage void fast_coprocessor(void); + +asmlinkage void kernel_exception(void); +asmlinkage void user_exception(void); +asmlinkage void system_call(struct pt_regs *regs); + +void do_IRQ(int hwirq, struct pt_regs *regs); +void do_page_fault(struct pt_regs *regs); +void do_unhandled(struct pt_regs *regs, unsigned long exccause); /* Initialize minimal exc_table structure sufficient for basic paging */ static inline void __init early_trap_init(void) diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index 515719c7e750..b6bb5911ec7f 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -48,25 +48,16 @@ * Machine specific interrupt handlers */ -extern void kernel_exception(void); -extern void user_exception(void); - -extern void fast_illegal_instruction_user(void); -extern void fast_syscall_user(void); -extern void fast_alloca(void); -extern void fast_unaligned(void); -extern void fast_second_level_miss(void); -extern void fast_store_prohibited(void); -extern void fast_coprocessor(void); - -extern void do_illegal_instruction (struct pt_regs*); -extern void do_interrupt (struct pt_regs*); -extern void do_nmi(struct pt_regs *); -extern void do_unaligned_user (struct pt_regs*); -extern void do_multihit (struct pt_regs*, unsigned long); -extern void do_page_fault (struct pt_regs*, unsigned long); -extern void do_debug (struct pt_regs*); -extern void system_call (struct pt_regs*); +static void do_illegal_instruction(struct pt_regs *regs); +static void do_interrupt(struct pt_regs *regs); +#if XTENSA_FAKE_NMI +static void do_nmi(struct pt_regs *regs); +#endif +#if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION +static void do_unaligned_user(struct pt_regs *regs); +#endif +static void do_multihit(struct pt_regs *regs); +static void do_debug(struct pt_regs *regs); /* * The vector table must be preceded by a save area (which @@ -197,7 +188,7 @@ void do_unhandled(struct pt_regs *regs, unsigned long exccause) * Multi-hit exception. This if fatal! */ -void do_multihit(struct pt_regs *regs, unsigned long exccause) +static void do_multihit(struct pt_regs *regs) { die("Caught multihit exception", regs, SIGKILL); } @@ -206,8 +197,6 @@ void do_multihit(struct pt_regs *regs, unsigned long exccause) * IRQ handler. */ -extern void do_IRQ(int, struct pt_regs *); - #if XTENSA_FAKE_NMI #define IS_POW2(v) (((v) & ((v) - 1)) == 0) @@ -240,7 +229,7 @@ irqreturn_t xtensa_pmu_irq_handler(int irq, void *dev_id); DEFINE_PER_CPU(unsigned long, nmi_count); -void do_nmi(struct pt_regs *regs) +static void do_nmi(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); @@ -253,7 +242,7 @@ void do_nmi(struct pt_regs *regs) } #endif -void do_interrupt(struct pt_regs *regs) +static void do_interrupt(struct pt_regs *regs) { static const unsigned int_level_mask[] = { 0, @@ -303,8 +292,7 @@ void do_interrupt(struct pt_regs *regs) * Illegal instruction. Fatal if in kernel space. */ -void -do_illegal_instruction(struct pt_regs *regs) +static void do_illegal_instruction(struct pt_regs *regs) { __die_if_kernel("Illegal instruction in kernel", regs, SIGKILL); @@ -324,8 +312,7 @@ do_illegal_instruction(struct pt_regs *regs) */ #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION -void -do_unaligned_user (struct pt_regs *regs) +static void do_unaligned_user(struct pt_regs *regs) { __die_if_kernel("Unhandled unaligned exception in kernel", regs, SIGKILL); @@ -346,8 +333,7 @@ do_unaligned_user (struct pt_regs *regs) * breakpoint structures to debug registers intact, so that * DEBUGCAUSE.DBNUM could be used in case of data breakpoint hit. */ -void -do_debug(struct pt_regs *regs) +static void do_debug(struct pt_regs *regs) { #ifdef CONFIG_HAVE_HW_BREAKPOINT int ret = check_hw_breakpoint(regs);