disable CONFIG_DYNAMIC_FTRACE due to possible memory corruption on module unload

[karo-tx-linux.git] / kernel / trace / trace_sysprof.c

diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index 2301e1e7c60648d7376f430b32e771257973be8a..db58fb66a135bbbbc71b16f949bcbf47300fbb4c 100644 (file)
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -161,7 +161,7 @@ static void timer_notify(struct pt_regs *regs, int cpu)
                __trace_special(tr, data, 2, regs->ip, 0);
 
                while (i < sample_max_depth) {
-                       frame.next_fp = 0;
+                       frame.next_fp = NULL;
                        frame.return_address = 0;
                        if (!copy_stack_frame(fp, &frame))
                                break;
@@ -202,7 +202,7 @@ static void start_stack_timer(int cpu)
 
        hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
        hrtimer->function = stack_trace_timer_fn;
-       hrtimer->cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ;
+       hrtimer->cb_mode = HRTIMER_CB_IRQSAFE_PERCPU;
 
        hrtimer_start(hrtimer, ns_to_ktime(sample_period), HRTIMER_MODE_REL);
 }