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Ido Schimmel says:
====================
mlxsw: Various updates
Patches #1-#3 add missing topology diagrams in selftests and perform
small cleanups.
Patches #4-#5 make small adjustments in QoS configuration. See detailed
description in the commit messages.
Patches #6-#8 reduce the number of background EMAD transactions. The
driver periodically queries the device (via EMAD transactions) about
updates that cannot happen in certain situations. This can negatively
impact the latency of time critical transactions, as the device is busy
processing other transactions.
Before:
# perf stat -a -e devlink:devlink_hwmsg -- sleep 10
Performance counter stats for 'system wide':
452 devlink:devlink_hwmsg
10.009736160 seconds time elapsed
After:
# perf stat -a -e devlink:devlink_hwmsg -- sleep 10
Performance counter stats for 'system wide':
0 devlink:devlink_hwmsg
10.001726333 seconds time elapsed
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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.
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.