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authorIngo Molnar <mingo@kernel.org>2013-07-01 11:16:54 +0200
committerIngo Molnar <mingo@kernel.org>2013-07-01 11:18:53 +0200
commit2fd1b487884310d0aa0c0640179dc7490ad86313 (patch)
tree1083dce15bd7dc0858c3883b8a361242046c5e09 /arch/s390/kernel/dumpstack.c
parent333bb864f192015a53b5060b829089decd0220ef (diff)
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
Merge tag 'v3.10' into sched/core
Merge in a recent upstream commit: c2853c8df57f include/linux/math64.h: add div64_ul() because: 72a4cf20cb71 sched: Change cfs_rq load avg to unsigned long relies on it. [ We don't rebase sched/core for this, because the handful of followup commits after the broken commit are not behavioral changes so are unlikely to be needed during bisection. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/kernel/dumpstack.c')
-rw-r--r--arch/s390/kernel/dumpstack.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index 298297477257..87acc38f73c6 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -74,6 +74,8 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
static void show_trace(struct task_struct *task, unsigned long *stack)
{
+ const unsigned long frame_size =
+ STACK_FRAME_OVERHEAD + sizeof(struct pt_regs);
register unsigned long __r15 asm ("15");
unsigned long sp;
@@ -82,11 +84,13 @@ static void show_trace(struct task_struct *task, unsigned long *stack)
sp = task ? task->thread.ksp : __r15;
printk("Call Trace:\n");
#ifdef CONFIG_CHECK_STACK
- sp = __show_trace(sp, S390_lowcore.panic_stack - 4096,
- S390_lowcore.panic_stack);
+ sp = __show_trace(sp,
+ S390_lowcore.panic_stack + frame_size - 4096,
+ S390_lowcore.panic_stack + frame_size);
#endif
- sp = __show_trace(sp, S390_lowcore.async_stack - ASYNC_SIZE,
- S390_lowcore.async_stack);
+ sp = __show_trace(sp,
+ S390_lowcore.async_stack + frame_size - ASYNC_SIZE,
+ S390_lowcore.async_stack + frame_size);
if (task)
__show_trace(sp, (unsigned long) task_stack_page(task),
(unsigned long) task_stack_page(task) + THREAD_SIZE);