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Diffstat (limited to 'arch/s390/kernel/traps.c')
-rw-r--r--arch/s390/kernel/traps.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 70640822621a..5eb78dd584ce 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -365,12 +365,10 @@ static inline void __user *get_psw_address(struct pt_regs *regs,
((regs->psw.addr - (pgm_int_code >> 16)) & PSW_ADDR_INSN);
}
-void __kprobes do_single_step(struct pt_regs *regs)
+void __kprobes do_per_trap(struct pt_regs *regs)
{
- if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0,
- SIGTRAP) == NOTIFY_STOP){
+ if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0, SIGTRAP) == NOTIFY_STOP)
return;
- }
if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
}
@@ -451,8 +449,8 @@ static inline void do_fp_trap(struct pt_regs *regs, void __user *location,
"floating point exception", regs, &si);
}
-static void illegal_op(struct pt_regs *regs, long pgm_int_code,
- unsigned long trans_exc_code)
+static void __kprobes illegal_op(struct pt_regs *regs, long pgm_int_code,
+ unsigned long trans_exc_code)
{
siginfo_t info;
__u8 opcode[6];
@@ -688,7 +686,7 @@ static void space_switch_exception(struct pt_regs *regs, long pgm_int_code,
do_trap(pgm_int_code, SIGILL, "space switch event", regs, &info);
}
-asmlinkage void kernel_stack_overflow(struct pt_regs * regs)
+asmlinkage void __kprobes kernel_stack_overflow(struct pt_regs * regs)
{
bust_spinlocks(1);
printk("Kernel stack overflow.\n");
@@ -733,5 +731,6 @@ void __init trap_init(void)
pgm_check_table[0x15] = &operand_exception;
pgm_check_table[0x1C] = &space_switch_exception;
pgm_check_table[0x1D] = &hfp_sqrt_exception;
- pfault_irq_init();
+ /* Enable machine checks early. */
+ local_mcck_enable();
}