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-rw-r--r--include/trace/events/printk.h25
-rw-r--r--kernel/printk.c2
2 files changed, 7 insertions, 20 deletions
diff --git a/include/trace/events/printk.h b/include/trace/events/printk.h
index 94ec79cc011a..c008bc99f9fa 100644
--- a/include/trace/events/printk.h
+++ b/include/trace/events/printk.h
@@ -6,31 +6,18 @@
6 6
7#include <linux/tracepoint.h> 7#include <linux/tracepoint.h>
8 8
9TRACE_EVENT_CONDITION(console, 9TRACE_EVENT(console,
10 TP_PROTO(const char *log_buf, unsigned start, unsigned end, 10 TP_PROTO(const char *text, size_t len),
11 unsigned log_buf_len),
12 11
13 TP_ARGS(log_buf, start, end, log_buf_len), 12 TP_ARGS(text, len),
14
15 TP_CONDITION(start != end),
16 13
17 TP_STRUCT__entry( 14 TP_STRUCT__entry(
18 __dynamic_array(char, msg, end - start + 1) 15 __dynamic_array(char, msg, len + 1)
19 ), 16 ),
20 17
21 TP_fast_assign( 18 TP_fast_assign(
22 if ((start & (log_buf_len - 1)) > (end & (log_buf_len - 1))) { 19 memcpy(__get_dynamic_array(msg), text, len);
23 memcpy(__get_dynamic_array(msg), 20 ((char *)__get_dynamic_array(msg))[len] = 0;
24 log_buf + (start & (log_buf_len - 1)),
25 log_buf_len - (start & (log_buf_len - 1)));
26 memcpy((char *)__get_dynamic_array(msg) +
27 log_buf_len - (start & (log_buf_len - 1)),
28 log_buf, end & (log_buf_len - 1));
29 } else
30 memcpy(__get_dynamic_array(msg),
31 log_buf + (start & (log_buf_len - 1)),
32 end - start);
33 ((char *)__get_dynamic_array(msg))[end - start] = 0;
34 ), 21 ),
35 22
36 TP_printk("%s", __get_str(msg)) 23 TP_printk("%s", __get_str(msg))
diff --git a/kernel/printk.c b/kernel/printk.c
index abbdd9e2ac82..2de593df036b 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1265,7 +1265,7 @@ static void call_console_drivers(int level, const char *text, size_t len)
1265{ 1265{
1266 struct console *con; 1266 struct console *con;
1267 1267
1268 trace_console(text, 0, len, len); 1268 trace_console(text, len);
1269 1269
1270 if (level >= console_loglevel && !ignore_loglevel) 1270 if (level >= console_loglevel && !ignore_loglevel)
1271 return; 1271 return;