diff options
Diffstat (limited to 'arch/arm/kernel/stacktrace.c')
| -rw-r--r-- | arch/arm/kernel/stacktrace.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 20b7411e47f..381d23a497c 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -28,7 +28,7 @@ int notrace unwind_frame(struct stackframe *frame) /* only go to a higher address on the stack */ low = frame->sp; - high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE; + high = ALIGN(low, THREAD_SIZE); /* check current frame pointer is within bounds */ if (fp < (low + 12) || fp + 4 >= high) @@ -94,10 +94,13 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) if (tsk != current) { #ifdef CONFIG_SMP /* - * What guarantees do we have here that 'tsk' - * is not running on another CPU? + * What guarantees do we have here that 'tsk' is not + * running on another CPU? For now, ignore it as we + * can't guarantee we won't explode. */ - BUG(); + if (trace->nr_entries < trace->max_entries) + trace->entries[trace->nr_entries++] = ULONG_MAX; + return; #else data.no_sched_functions = 1; frame.fp = thread_saved_fp(tsk); |