Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 7 insertions, 4 deletions

diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 20b7411e47fd..381d23a497c1 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);