diff options
| author |   Tony Lindgren <tony@atomide.com> | 2017-08-10 09:05:53 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2017-08-10 09:05:53 -0700 |
| commit | c002c27874faaa170b535d03d7efee89ecdd9be4 (patch) | |
| tree | 70d91eba77a9c374e4f0bf9eb8636acba57ca173 /kernel/trace/trace_stack.c | |
| parent | ARM: dts: dra7: Add "max-frequency" property to MMC dt nodes (diff) | |
| parent | Linux v4.13-rc1 (diff) | |
Merge tag 'v4.13-rc1' into omap-for-v4.14/mmc-regulator
Linux v4.13-rc1
Diffstat (limited to 'kernel/trace/trace_stack.c')
| -rw-r--r-- | kernel/trace/trace_stack.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 76aa04d4c925..a4df67cbc711 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -406,10 +406,14 @@ static const struct file_operations stack_trace_fops = { .release = seq_release, }; +#ifdef CONFIG_DYNAMIC_FTRACE + static int stack_trace_filter_open(struct inode *inode, struct file *file) { - return ftrace_regex_open(&trace_ops, FTRACE_ITER_FILTER, + struct ftrace_ops *ops = inode->i_private; + + return ftrace_regex_open(ops, FTRACE_ITER_FILTER, inode, file); } @@ -421,6 +425,8 @@ static const struct file_operations stack_trace_filter_fops = { .release = ftrace_regex_release, }; +#endif /* CONFIG_DYNAMIC_FTRACE */ + int stack_trace_sysctl(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, @@ -475,8 +481,10 @@ static __init int stack_trace_init(void) trace_create_file("stack_trace", 0444, d_tracer, NULL, &stack_trace_fops); +#ifdef CONFIG_DYNAMIC_FTRACE trace_create_file("stack_trace_filter", 0444, d_tracer, - NULL, &stack_trace_filter_fops); + &trace_ops, &stack_trace_filter_fops); +#endif if (stack_trace_filter_buf[0]) ftrace_set_early_filter(&trace_ops, stack_trace_filter_buf, 1); |