diff options
Diffstat (limited to 'arch/s390/kernel/traps.c')
-rw-r--r-- | arch/s390/kernel/traps.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index a46793beedd..12240c03a6d 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -14,7 +14,6 @@ * 'Traps.c' handles hardware traps and faults after we have saved some * state in 'asm.s'. */ -#include <linux/config.h> #include <linux/sched.h> #include <linux/kernel.h> #include <linux/string.h> @@ -150,13 +149,11 @@ 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; |