diff options
| -rw-r--r-- | kernel/trace/trace_functions.c | 16 | ||||
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 6 |
2 files changed, 16 insertions, 6 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index 5b781d2be383..ffd56351b521 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c | |||
| @@ -58,12 +58,16 @@ int ftrace_create_function_files(struct trace_array *tr, | |||
| 58 | { | 58 | { |
| 59 | int ret; | 59 | int ret; |
| 60 | 60 | ||
| 61 | /* The top level array uses the "global_ops". */ | 61 | /* |
| 62 | if (!(tr->flags & TRACE_ARRAY_FL_GLOBAL)) { | 62 | * The top level array uses the "global_ops", and the files are |
| 63 | ret = allocate_ftrace_ops(tr); | 63 | * created on boot up. |
| 64 | if (ret) | 64 | */ |
| 65 | return ret; | 65 | if (tr->flags & TRACE_ARRAY_FL_GLOBAL) |
| 66 | } | 66 | return 0; |
| 67 | |||
| 68 | ret = allocate_ftrace_ops(tr); | ||
| 69 | if (ret) | ||
| 70 | return ret; | ||
| 67 | 71 | ||
| 68 | ftrace_create_filter_files(tr->ops, parent); | 72 | ftrace_create_filter_files(tr->ops, parent); |
| 69 | 73 | ||
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 930e51462dc8..c082a7441345 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c | |||
| @@ -732,9 +732,15 @@ static int uprobe_buffer_enable(void) | |||
| 732 | 732 | ||
| 733 | static void uprobe_buffer_disable(void) | 733 | static void uprobe_buffer_disable(void) |
| 734 | { | 734 | { |
| 735 | int cpu; | ||
| 736 | |||
| 735 | BUG_ON(!mutex_is_locked(&event_mutex)); | 737 | BUG_ON(!mutex_is_locked(&event_mutex)); |
| 736 | 738 | ||
| 737 | if (--uprobe_buffer_refcnt == 0) { | 739 | if (--uprobe_buffer_refcnt == 0) { |
| 740 | for_each_possible_cpu(cpu) | ||
| 741 | free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer, | ||
| 742 | cpu)->buf); | ||
| 743 | |||
| 738 | free_percpu(uprobe_cpu_buffer); | 744 | free_percpu(uprobe_cpu_buffer); |
| 739 | uprobe_cpu_buffer = NULL; | 745 | uprobe_cpu_buffer = NULL; |
| 740 | } | 746 | } |
