diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/idt.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/traps.c | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index f2a751b10a01..f8d79629535e 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -99,7 +99,7 @@ static const __initconst struct idt_data def_idts[] = { INTG(X86_TRAP_MC, machine_check), #endif - SYSG(X86_TRAP_OF, overflow), + SYSG(X86_TRAP_OF, asm_exc_overflow), #if defined(CONFIG_IA32_EMULATION) SYSG(IA32_SYSCALL_VECTOR, entry_INT80_compat), #elif defined(CONFIG_X86_32) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 37092f74ec42..b522e2aa9e9a 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -226,6 +226,11 @@ DEFINE_IDTENTRY(exc_divide_error) FPE_INTDIV, error_get_trap_addr(regs)); } +DEFINE_IDTENTRY(exc_overflow) +{ + do_error_trap(regs, 0, "overflow", X86_TRAP_OF, SIGSEGV, 0, NULL); +} + #define IP ((void __user *)uprobe_get_trap_addr(regs)) #define DO_ERROR(trapnr, signr, sicode, addr, str, name) \ dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ @@ -233,7 +238,6 @@ dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ do_error_trap(regs, error_code, str, trapnr, signr, sicode, addr); \ } -DO_ERROR(X86_TRAP_OF, SIGSEGV, 0, NULL, "overflow", overflow) DO_ERROR(X86_TRAP_UD, SIGILL, ILL_ILLOPN, IP, "invalid opcode", invalid_op) DO_ERROR(X86_TRAP_OLD_MF, SIGFPE, 0, NULL, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(X86_TRAP_TS, SIGSEGV, 0, NULL, "invalid TSS", invalid_TSS) |