diff options
| -rw-r--r-- | kernel/trace/trace.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 35cfa7bbaf3..67595b8f0f1 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -776,6 +776,11 @@ extern struct ftrace_event_call __stop_ftrace_events[]; extern const char *__start___trace_bprintk_fmt[]; extern const char *__stop___trace_bprintk_fmt[]; +/* + * The double __builtin_constant_p is because gcc will give us an error + * if we try to allocate the static variable to fmt if it is not a + * constant. Even with the outer if statement optimizing out. + */ #define event_trace_printk(ip, fmt, args...) \ do { \ __trace_printk_check_format(fmt, ##args); \ |