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printk: improve the description of /dev/kmsg line format 

The comment about /dev/kmsg does not mention the additional values which
may actually be exported, fix that.

Also move up the part of the comment instructing the users to ignore these
additional values, this way the reading is more fluent and logically
compact.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Joe Perches <joe@perches.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Antonio Ospite 2015-06-30 14:59:03 -07:00 committed by Linus Torvalds
parent 9b597fd3c9
commit b389645f04
1 changed files with 4 additions and 4 deletions
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8
kernel/printk/printk.c
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@ -207,14 +207,14 @@ static int console_may_schedule;
* need to be changed in the future, when the requirements change.
*
* /dev/kmsg exports the structured data in the following line format:
* "<level>,<sequnum>,<timestamp>,<contflag>;<message text>\n"
* "<level>,<sequnum>,<timestamp>,<contflag>[,additional_values, ... ];<message text>\n"
*
* Users of the export format should ignore possible additional values
* separated by ',', and find the message after the ';' character.
*
* The optional key/value pairs are attached as continuation lines starting
* with a space character and terminated by a newline. All possible
* non-prinatable characters are escaped in the "\xff" notation.
*
* Users of the export format should ignore possible additional values
* separated by ',', and find the message after the ';' character.
*/
enum log_flags {