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Jakub Kicinski says: ==================== devlink: make ethtool compat reliable This is a follow up to the series which added device flash updates via devlink. I went with the approach of adding a new NDO in the end. It seems to end up looking cleaner. First patch removes the option to build devlink as a module. Users can still decide to not build it, but the module option ends up not being worth the maintenance cost. Next two patches add a NDO which can be used to ask the driver to return a devlink instance associated with a given netdev, instead of iterating over devlink ports. Drivers which implement this NDO must take into account the potential impact on the visibility of the devlink instance. With the new NDO in place we can remove NFP ethtool flash update code. Fifth patch makes sure we hold a reference to dev while callbacks are active. Last but not least the NULL-check of devlink->ops is moved to instance allocation time. Last but not least missing checks for devlink->ops are added. There is currently no driver registering devlink without ops, so can just fix this in -next. v2 (Michal): add netdev_to_devlink() in patch 3. v3 (Florian): - add missing checks for devlink->ops; - move locking/holding into devlink_compat_ functions. v4 (Jiri): - hold devlink_mutex around callbacks (patch 2); - require non-NULL ops (patch 6). ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.
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.