diff options
| -rw-r--r-- | include/linux/ftrace_event.h | 10 | ||||
| -rw-r--r-- | kernel/trace/trace.c | 1 |
2 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 4372658c73a..44cdc11b15c 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -78,6 +78,11 @@ struct trace_iterator { /* trace_seq for __print_flags() and __print_symbolic() etc. */ struct trace_seq tmp_seq; + cpumask_var_t started; + + /* it's true when current open file is snapshot */ + bool snapshot; + /* The below is zeroed out in pipe_read */ struct trace_seq seq; struct trace_entry *ent; @@ -90,10 +95,7 @@ struct trace_iterator { loff_t pos; long idx; - cpumask_var_t started; - - /* it's true when current open file is snapshot */ - bool snapshot; + /* All new field here will be zeroed out in pipe_read */ }; enum trace_iter_flags { diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f7bc3ce6eaf..2a250a2aa02 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4121,6 +4121,7 @@ waitagain: memset(&iter->seq, 0, sizeof(struct trace_iterator) - offsetof(struct trace_iterator, seq)); + cpumask_clear(iter->started); iter->pos = -1; trace_event_read_lock(); |