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| Filename | Latest commit message | Latest commit date |
|---|---|---|
655603de68
The sysfs handler should return the number of bytes consumed, which in the case of a successful write is the entire buffer. Also fix a bug where param.data_len was being set to (count - (2 * sizeof(u32))) instead of just (count - sizeof(u32)). The latter is correct because we skip over the leading u32 which is our param.type, but we were also incorrectly subtracting sizeof(u32) on the line where we were actually setting param.data_len: param.data_len = count - sizeof(u32); This meant that for our example event.kernel_software_watchdog with total length 10 bytes, param.data_len was just 2 prior to this change. To test, successfully append an event to the log with gsmi sysfs. This sample event is for a "Kernel Software Watchdog" > xxd -g 1 event.kernel_software_watchdog 0000000: 01 00 00 00 ad de 06 00 00 00 > cat event.kernel_software_watchdog > /sys/firmware/gsmi/append_to_eventlog > mosys eventlog list | tail -1 14 | 2012-06-25 10:14:14 | Kernl Event | Software Watchdog Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-by: Stefan Reinauer <reinauer@chromium.org> Signed-off-by: Furquan Shaikh <furquan@google.com> Tested-by: Furquan Shaikh <furquan@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Justin TerAvest <teravest@chromium.org> [zwisler: updated changelog for 2nd bug fix and upstream] Signed-off-by: Ross Zwisler <zwisler@google.com> Reviewed-by: Guenter Roeck <groeck@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.