1 files changed, 7 insertions, 45 deletions

diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 70640822621..b5a4a739b47 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -237,43 +237,6 @@ void show_regs(struct pt_regs *regs)
 	show_last_breaking_event(regs);
 }
 
-/* This is called from fs/proc/array.c */
-void task_show_regs(struct seq_file *m, struct task_struct *task)
-{
-	struct pt_regs *regs;
-
-	regs = task_pt_regs(task);
-	seq_printf(m, "task: %p, ksp: %p\n",
-		       task, (void *)task->thread.ksp);
-	seq_printf(m, "User PSW : %p %p\n",
-		       (void *) regs->psw.mask, (void *)regs->psw.addr);
-
-	seq_printf(m, "User GPRS: " FOURLONG,
-			  regs->gprs[0], regs->gprs[1],
-			  regs->gprs[2], regs->gprs[3]);
-	seq_printf(m, "           " FOURLONG,
-			  regs->gprs[4], regs->gprs[5],
-			  regs->gprs[6], regs->gprs[7]);
-	seq_printf(m, "           " FOURLONG,
-			  regs->gprs[8], regs->gprs[9],
-			  regs->gprs[10], regs->gprs[11]);
-	seq_printf(m, "           " FOURLONG,
-			  regs->gprs[12], regs->gprs[13],
-			  regs->gprs[14], regs->gprs[15]);
-	seq_printf(m, "User ACRS: %08x %08x %08x %08x\n",
-			  task->thread.acrs[0], task->thread.acrs[1],
-			  task->thread.acrs[2], task->thread.acrs[3]);
-	seq_printf(m, "           %08x %08x %08x %08x\n",
-			  task->thread.acrs[4], task->thread.acrs[5],
-			  task->thread.acrs[6], task->thread.acrs[7]);
-	seq_printf(m, "           %08x %08x %08x %08x\n",
-			  task->thread.acrs[8], task->thread.acrs[9],
-			  task->thread.acrs[10], task->thread.acrs[11]);
-	seq_printf(m, "           %08x %08x %08x %08x\n",
-			  task->thread.acrs[12], task->thread.acrs[13],
-			  task->thread.acrs[14], task->thread.acrs[15]);
-}
-
 static DEFINE_SPINLOCK(die_lock);
 
 void die(const char * str, struct pt_regs * regs, long err)
@@ -365,12 +328,10 @@ 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 +412,8 @@ 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 +649,7 @@ 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 +694,6 @@ 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();
 }