kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/kernel/trace/trace_hwlat.c
..
..
@@ -108,9 +108,14 @@
108
108
 	struct trace_buffer *buffer = tr->array_buffer.buffer;
109
109
 	struct ring_buffer_event *event;
110
110
 	struct hwlat_entry *entry;
111
+	unsigned long flags;
112
+	int pc;
113
+
114
+	pc = preempt_count();
115
+	local_save_flags(flags);
111
116
 
112
117
 	event = trace_buffer_lock_reserve(buffer, TRACE_HWLAT, sizeof(*entry),
113
-					  tracing_gen_ctx());
118
+					  flags, pc);
114
119
 	if (!event)
115
120
 		return;
116
121
 	entry	= ring_buffer_event_data(event);