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author | Petr Mladek <pmladek@suse.com> | 2019-09-16 12:54:25 +0200 |
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committer | Petr Mladek <pmladek@suse.com> | 2019-09-16 12:54:25 +0200 |
commit | ae88de56a1893bdccc7b5af8c12556de649d675e (patch) | |
tree | e3b70d7df5d379c20ac15d9fea3a7642e1f2f3e1 /Documentation | |
parent | c9dccacfccc72c32692eedff4a27a4b0833a2afd (diff) | |
parent | 085a3a8fdf3e2fbd4678dbeccbb656bd328b3715 (diff) | |
download | linux-ae88de56a1893bdccc7b5af8c12556de649d675e.tar.bz2 |
Merge branch 'for-5.4' into for-linus
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/ABI/testing/dev-kmsg | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Documentation/ABI/testing/dev-kmsg b/Documentation/ABI/testing/dev-kmsg index fff817efa508..f307506eb54c 100644 --- a/Documentation/ABI/testing/dev-kmsg +++ b/Documentation/ABI/testing/dev-kmsg @@ -12,7 +12,7 @@ Description: The /dev/kmsg character device node provides userspace access The logged line can be prefixed with a <N> syslog prefix, which carries the syslog priority and facility. The single decimal prefix number is composed of the 3 lowest bits being the syslog - priority and the higher bits the syslog facility number. + priority and the next 8 bits the syslog facility number. If no prefix is given, the priority number is the default kernel log priority and the facility number is set to LOG_USER (1). It @@ -90,13 +90,12 @@ Description: The /dev/kmsg character device node provides userspace access +sound:card0 - subsystem:devname The flags field carries '-' by default. A 'c' indicates a - fragment of a line. All following fragments are flagged with - '+'. Note, that these hints about continuation lines are not - necessarily correct, and the stream could be interleaved with - unrelated messages, but merging the lines in the output - usually produces better human readable results. A similar - logic is used internally when messages are printed to the - console, /proc/kmsg or the syslog() syscall. + fragment of a line. Note, that these hints about continuation + lines are not necessarily correct, and the stream could be + interleaved with unrelated messages, but merging the lines in + the output usually produces better human readable results. A + similar logic is used internally when messages are printed to + the console, /proc/kmsg or the syslog() syscall. By default, kernel tries to avoid fragments by concatenating when it can and fragments are rare; however, when extended |