diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 4a4f6e1828b6..e7d643b8a907 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -214,7 +214,6 @@ struct trace_array { struct dentry *event_dir; struct list_head systems; struct list_head events; - struct task_struct *waiter; int ref; }; @@ -680,6 +679,15 @@ extern int trace_selftest_startup_sched_switch(struct tracer *trace, struct trace_array *tr); extern int trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr); +/* + * Tracer data references selftest functions that only occur + * on boot up. These can be __init functions. Thus, when selftests + * are enabled, then the tracers need to reference __init functions. + */ +#define __tracer_data __refdata +#else +/* Tracers are seldom changed. Optimize when selftests are disabled. */ +#define __tracer_data __read_mostly #endif /* CONFIG_FTRACE_STARTUP_TEST */ extern void *head_page(struct trace_array_cpu *data); |