diff options
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/traps_32.c | 28 | ||||
| -rw-r--r-- | arch/x86/kernel/traps_64.c | 31 | ||||
| -rw-r--r-- | include/asm-x86/traps.h | 73 |
4 files changed, 72 insertions, 62 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 977c8ea6602..1db6ce4314e 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1243,7 +1243,7 @@ ENTRY(simd_coprocessor_error) END(simd_coprocessor_error) ENTRY(device_not_available) - zeroentry math_state_restore + zeroentry do_device_not_available END(device_not_available) /* runs on exception stack */ diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 0206c915748..7eb1203c909 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -190,7 +190,7 @@ vm86_trap: } #define DO_ERROR(trapnr, signr, str, name) \ -void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ @@ -200,7 +200,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ } #define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ siginfo_t info; \ info.si_signo = signr; \ @@ -224,7 +224,7 @@ DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR(12, SIGBUS, "stack segment", stack_segment) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) -void __kprobes +dotraplinkage void __kprobes do_general_protection(struct pt_regs *regs, long error_code) { struct task_struct *tsk; @@ -428,7 +428,8 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) reassert_nmi(); } -notrace __kprobes void do_nmi(struct pt_regs *regs, long error_code) +dotraplinkage notrace __kprobes void +do_nmi(struct pt_regs *regs, long error_code) { int cpu; @@ -456,7 +457,7 @@ void restart_nmi(void) acpi_nmi_enable(); } -void __kprobes do_int3(struct pt_regs *regs, long error_code) +dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { #ifdef CONFIG_KPROBES if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) @@ -494,7 +495,7 @@ void __kprobes do_int3(struct pt_regs *regs, long error_code) * find every occurrence of the TF bit that could be saved away even * by user code) */ -void __kprobes do_debug(struct pt_regs *regs, long error_code) +dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; unsigned int condition; @@ -627,7 +628,7 @@ void math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -void do_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); ignore_fpu_irq = 1; @@ -682,7 +683,8 @@ static void simd_math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void +do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); @@ -706,7 +708,8 @@ void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) force_sig(SIGSEGV, current); } -void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) +dotraplinkage void +do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { conditional_sti(regs); #if 0 @@ -784,7 +787,8 @@ asmlinkage void math_emulate(long arg) #endif /* CONFIG_MATH_EMULATION */ -void __kprobes do_device_not_available(struct pt_regs *regs, long error) +dotraplinkage void __kprobes +do_device_not_available(struct pt_regs *regs, long error) { if (read_cr0() & X86_CR0_EM) { conditional_sti(regs); @@ -796,14 +800,14 @@ void __kprobes do_device_not_available(struct pt_regs *regs, long error) } #ifdef CONFIG_X86_MCE -void __kprobes do_machine_check(struct pt_regs *regs, long error) +dotraplinkage void __kprobes do_machine_check(struct pt_regs *regs, long error) { conditional_sti(regs); machine_check_vector(regs, error); } #endif -void do_iret_error(struct pt_regs *regs, long error_code) +dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) { siginfo_t info; local_irq_enable(); diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index b295ebf0cb3..be73323ca95 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -125,7 +125,7 @@ kernel_trap: } #define DO_ERROR(trapnr, signr, str, name) \ -asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ @@ -135,7 +135,7 @@ asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ } #define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ siginfo_t info; \ info.si_signo = signr; \ @@ -159,7 +159,7 @@ DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) /* Runs on IST stack */ -asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) +dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code) { if (notify_die(DIE_TRAP, "stack segment", regs, error_code, 12, SIGBUS) == NOTIFY_STOP) @@ -169,7 +169,7 @@ asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) preempt_conditional_cli(regs); } -asmlinkage void do_double_fault(struct pt_regs *regs, long error_code) +dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) { static const char str[] = "double fault"; struct task_struct *tsk = current; @@ -186,7 +186,7 @@ asmlinkage void do_double_fault(struct pt_regs *regs, long error_code) die(str, regs, error_code); } -asmlinkage void __kprobes +dotraplinkage void __kprobes do_general_protection(struct pt_regs *regs, long error_code) { struct task_struct *tsk; @@ -317,7 +317,7 @@ asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs) io_check_error(reason, regs); } -asmlinkage notrace __kprobes void +dotraplinkage notrace __kprobes void do_nmi(struct pt_regs *regs, long error_code) { nmi_enter(); @@ -343,7 +343,7 @@ void restart_nmi(void) } /* runs on IST stack. */ -asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) +dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) @@ -376,8 +376,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) } /* runs on IST stack. */ -asmlinkage void __kprobes do_debug(struct pt_regs *regs, - unsigned long error_code) +dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; unsigned long condition; @@ -510,7 +509,7 @@ void math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -asmlinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); if (!user_mode(regs) && @@ -572,7 +571,8 @@ static void simd_math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void +do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); if (!user_mode(regs) && @@ -581,7 +581,8 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) simd_math_error((void __user *)regs->ip); } -asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) +dotraplinkage void +do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { } @@ -633,6 +634,12 @@ asmlinkage void math_state_restore(void) } EXPORT_SYMBOL_GPL(math_state_restore); +dotraplinkage void __kprobes +do_device_not_available(struct pt_regs *regs, long error) +{ + math_state_restore(); +} + void __init trap_init(void) { set_intr_gate(0, ÷_error); diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h index c82c39c7b5e..6c3dc2c6575 100644 --- a/include/asm-x86/traps.h +++ b/include/asm-x86/traps.h @@ -3,7 +3,12 @@ #include <asm/debugreg.h> -/* Common in X86_32 and X86_64 */ +#ifdef CONFIG_X86_32 +#define dotraplinkage +#else +#define dotraplinkage asmlinkage +#endif + asmlinkage void divide_error(void); asmlinkage void debug(void); asmlinkage void nmi(void); @@ -12,31 +17,47 @@ asmlinkage void overflow(void); asmlinkage void bounds(void); asmlinkage void invalid_op(void); asmlinkage void device_not_available(void); +#ifdef CONFIG_X86_64 +asmlinkage void double_fault(void); +#endif asmlinkage void coprocessor_segment_overrun(void); asmlinkage void invalid_TSS(void); asmlinkage void segment_not_present(void); asmlinkage void stack_segment(void); asmlinkage void general_protection(void); asmlinkage void page_fault(void); +asmlinkage void spurious_interrupt_bug(void); asmlinkage void coprocessor_error(void); -asmlinkage void simd_coprocessor_error(void); asmlinkage void alignment_check(void); -asmlinkage void spurious_interrupt_bug(void); #ifdef CONFIG_X86_MCE asmlinkage void machine_check(void); #endif /* CONFIG_X86_MCE */ +asmlinkage void simd_coprocessor_error(void); -void do_divide_error(struct pt_regs *, long); -void do_overflow(struct pt_regs *, long); -void do_bounds(struct pt_regs *, long); -void do_coprocessor_segment_overrun(struct pt_regs *, long); -void do_invalid_TSS(struct pt_regs *, long); -void do_segment_not_present(struct pt_regs *, long); -void do_stack_segment(struct pt_regs *, long); -void do_alignment_check(struct pt_regs *, long); -void do_invalid_op(struct pt_regs *, long); -void do_general_protection(struct pt_regs *, long); -void do_nmi(struct pt_regs *, long); +dotraplinkage void do_divide_error(struct pt_regs *, long); +dotraplinkage void do_debug(struct pt_regs *, long); +dotraplinkage void do_nmi(struct pt_regs *, long); +dotraplinkage void do_int3(struct pt_regs *, long); +dotraplinkage void do_overflow(struct pt_regs *, long); +dotraplinkage void do_bounds(struct pt_regs *, long); +dotraplinkage void do_invalid_op(struct pt_regs *, long); +dotraplinkage void do_device_not_available(struct pt_regs *, long); +dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); +dotraplinkage void do_invalid_TSS(struct pt_regs *, long); +dotraplinkage void do_segment_not_present(struct pt_regs *, long); +dotraplinkage void do_stack_segment(struct pt_regs *, long); +dotraplinkage void do_general_protection(struct pt_regs *, long); +dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); +dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); +dotraplinkage void do_coprocessor_error(struct pt_regs *, long); +dotraplinkage void do_alignment_check(struct pt_regs *, long); +#ifdef CONFIG_X86_MCE +dotraplinkage void do_machine_check(struct pt_regs *, long); +#endif +dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long); +#ifdef CONFIG_X86_32 +dotraplinkage void do_iret_error(struct pt_regs *, long); +#endif static inline int get_si_code(unsigned long condition) { @@ -52,31 +73,9 @@ extern int panic_on_unrecovered_nmi; extern int kstack_depth_to_print; #ifdef CONFIG_X86_32 - -void do_iret_error(struct pt_regs *, long); -void do_int3(struct pt_regs *, long); -void do_debug(struct pt_regs *, long); void math_error(void __user *); -void do_coprocessor_error(struct pt_regs *, long); -void do_simd_coprocessor_error(struct pt_regs *, long); -void do_spurious_interrupt_bug(struct pt_regs *, long); unsigned long patch_espfix_desc(unsigned long, unsigned long); asmlinkage void math_emulate(long); +#endif -void do_page_fault(struct pt_regs *regs, unsigned long error_code); - -#else /* CONFIG_X86_32 */ - -asmlinkage void double_fault(void); - -asmlinkage void do_int3(struct pt_regs *, long); -asmlinkage void do_stack_segment(struct pt_regs *, long); -asmlinkage void do_debug(struct pt_regs *, unsigned long); -asmlinkage void do_coprocessor_error(struct pt_regs *, long); -asmlinkage void do_simd_coprocessor_error(struct pt_regs *, long); -asmlinkage void do_spurious_interrupt_bug(struct pt_regs *, long); - -asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code); - -#endif /* CONFIG_X86_32 */ #endif /* ASM_X86__TRAPS_H */ |