diff options
| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-10-30 08:40:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-30 13:07:01 +0100 |
| commit | 34433332841de2787f903fcf7de8dc3e06780f4a (patch) | |
| tree | 77f3ceec7fbb1a5d8def1fc501233ee0bbd9b950 /Documentation/ABI/testing/dev-kmsg | |
| parent | 98913408c5465ac477f80da7affe347b413edaa4 (diff) | |
docs: ABI: testing: make the files compatible with ReST output
Some files over there won't parse well by Sphinx.
Fix them.
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing/dev-kmsg')
| -rw-r--r-- | Documentation/ABI/testing/dev-kmsg | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/Documentation/ABI/testing/dev-kmsg b/Documentation/ABI/testing/dev-kmsg index 3c0bb76e3417..a377b6c093c9 100644 --- a/Documentation/ABI/testing/dev-kmsg +++ b/Documentation/ABI/testing/dev-kmsg @@ -6,6 +6,7 @@ Description: The /dev/kmsg character device node provides userspace access to the kernel's printk buffer. Injecting messages: + Every write() to the opened device node places a log entry in the kernel's printk buffer. @@ -21,6 +22,7 @@ Description: The /dev/kmsg character device node provides userspace access the messages can always be reliably determined. Accessing the buffer: + Every read() from the opened device node receives one record of the kernel's printk buffer. @@ -48,6 +50,7 @@ Description: The /dev/kmsg character device node provides userspace access if needed, without limiting the interface to a single reader. The device supports seek with the following parameters: + SEEK_SET, 0 seek to the first entry in the buffer SEEK_END, 0 @@ -87,18 +90,22 @@ Description: The /dev/kmsg character device node provides userspace access readable context of the message, for reliable processing in userspace. - Example: - 7,160,424069,-;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored) - SUBSYSTEM=acpi - DEVICE=+acpi:PNP0A03:00 - 6,339,5140900,-;NET: Registered protocol family 10 - 30,340,5690716,-;udevd[80]: starting version 181 + Example:: + + 7,160,424069,-;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored) + SUBSYSTEM=acpi + DEVICE=+acpi:PNP0A03:00 + 6,339,5140900,-;NET: Registered protocol family 10 + 30,340,5690716,-;udevd[80]: starting version 181 The DEVICE= key uniquely identifies devices the following way: - b12:8 - block dev_t - c127:3 - char dev_t - n8 - netdev ifindex - +sound:card0 - subsystem:devname + + ============ ================= + b12:8 block dev_t + c127:3 char dev_t + n8 netdev ifindex + +sound:card0 subsystem:devname + ============ ================= The flags field carries '-' by default. A 'c' indicates a fragment of a line. Note, that these hints about continuation |