Merge ../linus

[pandora-kernel.git] / arch / s390 / kernel / traps.c

diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index c5bd36f..b763043 100644 (file)
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -67,13 +67,13 @@ extern pgm_check_handler_t do_monitor_call;
 
 #define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })
 
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
 #define FOURLONG "%08lx %08lx %08lx %08lx\n"
 static int kstack_depth_to_print = 12;
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
 #define FOURLONG "%016lx %016lx %016lx %016lx\n"
 static int kstack_depth_to_print = 20;
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
 
 /*
  * For show_trace we have tree different stack to consider:
@@ -136,8 +136,8 @@ void show_trace(struct task_struct *task, unsigned long * stack)
        sp = __show_trace(sp, S390_lowcore.async_stack - ASYNC_SIZE,
                          S390_lowcore.async_stack);
        if (task)
-               __show_trace(sp, (unsigned long) task->thread_info,
-                            (unsigned long) task->thread_info + THREAD_SIZE);
+               __show_trace(sp, (unsigned long) task_stack_page(task),
+                            (unsigned long) task_stack_page(task) + THREAD_SIZE);
        else
                __show_trace(sp, S390_lowcore.thread_info,
                             S390_lowcore.thread_info + THREAD_SIZE);
@@ -150,13 +150,11 @@ void show_stack(struct task_struct *task, unsigned long *sp)
        unsigned long *stack;
        int i;
 
-       // debugging aid: "show_stack(NULL);" prints the
-       // back trace for this cpu.
-
        if (!sp)
-               sp = task ? (unsigned long *) task->thread.ksp : __r15;
+               stack = task ? (unsigned long *) task->thread.ksp : __r15;
+       else
+               stack = sp;
 
-       stack = sp;
        for (i = 0; i < kstack_depth_to_print; i++) {
                if (((addr_t) stack & (THREAD_SIZE-1)) == 0)
                        break;
@@ -240,7 +238,7 @@ char *task_show_regs(struct task_struct *task, char *buffer)
 {
        struct pt_regs *regs;
 
-       regs = __KSTK_PTREGS(task);
+       regs = task_pt_regs(task);
        buffer += sprintf(buffer, "task: %p, ksp: %p\n",
                       task, (void *)task->thread.ksp);
        buffer += sprintf(buffer, "User PSW : %p %p\n",
@@ -486,7 +484,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)
                info.si_signo = signal;
                info.si_errno = 0;
                info.si_code = ILL_ILLOPC;
-               info.si_addr = (void *) location;
+               info.si_addr = (void __user *) location;
                do_trap(interruption_code, signal,
                        "illegal operation", regs, &info);
        }
@@ -702,12 +700,12 @@ void __init trap_init(void)
         pgm_check_table[0x11] = &do_dat_exception;
         pgm_check_table[0x12] = &translation_exception;
         pgm_check_table[0x13] = &special_op_exception;
-#ifdef CONFIG_ARCH_S390X
+#ifdef CONFIG_64BIT
         pgm_check_table[0x38] = &do_dat_exception;
        pgm_check_table[0x39] = &do_dat_exception;
        pgm_check_table[0x3A] = &do_dat_exception;
         pgm_check_table[0x3B] = &do_dat_exception;
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
         pgm_check_table[0x15] = &operand_exception;
         pgm_check_table[0x1C] = &space_switch_exception;
         pgm_check_table[0x1D] = &hfp_sqrt_exception;