diff options
| author | Mark Brown <broonie@linaro.org> | 2014-04-29 10:01:28 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-29 10:01:28 -0700 |
| commit | 3e93457b45a1a8c69227ce596ee2005fa06f20dd (patch) | |
| tree | 248c27e432533b1af80a9b2240eaa8e48e3b87cc /kernel/trace | |
| parent | 290414499cf94284a97cc3c33214d13ccfcd896a (diff) | |
| parent | c42ba72ec3a7a1b6aa30122931f1f4b91b601c31 (diff) | |
Merge tag 'ib-mfd-regulator-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-tps65090
Immutable branch between MFD and Regulator due for v3.16 merge-window.
Diffstat (limited to 'kernel/trace')
| -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, { int ret; - /* The top level array uses the "global_ops". */ - if (!(tr->flags & TRACE_ARRAY_FL_GLOBAL)) { - ret = allocate_ftrace_ops(tr); - if (ret) - return ret; - } + /* + * The top level array uses the "global_ops", and the files are + * created on boot up. + */ + if (tr->flags & TRACE_ARRAY_FL_GLOBAL) + return 0; + + ret = allocate_ftrace_ops(tr); + if (ret) + return ret; ftrace_create_filter_files(tr->ops, parent); 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) static void uprobe_buffer_disable(void) { + int cpu; + BUG_ON(!mutex_is_locked(&event_mutex)); if (--uprobe_buffer_refcnt == 0) { + for_each_possible_cpu(cpu) + free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer, + cpu)->buf); + free_percpu(uprobe_cpu_buffer); uprobe_cpu_buffer = NULL; } |