For library functions doing printk, the log level and line prefix
usually need to be specified by the caller. So this patch adds
"pr_pfx" to make the life of these library functions easier.
Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
---
include/linux/printk.h | 7 +++++++
1 file changed, 7 insertions(+)
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -202,6 +202,13 @@ extern void print_hex_dump_bytes(const c
#endif
/*
+ * Used by library functions, where log level and line prefix need to
+ * be specifieded by the caller.
+ */
+#define pr_pfx(pfx, fmt, ...) \
+ printk("%s" fmt, pfx, ##__VA_ARGS__)
+
+/*
* ratelimited messages with local ratelimit_state,
* no local ratelimit_state used in the !PRINTK case
*/
--
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