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Petr Pavlu says: ==================== Convert mlx4 to use auxiliary bus This series converts the mlx4 drivers to use auxiliary bus, similarly to how mlx5 was converted [1]. The first 6 patches are preparatory changes, the remaining 4 are the final conversion. Initial motivation for this change was to address a problem related to loading mlx4_en/mlx4_ib by mlx4_core using request_module_nowait(). When doing such a load in initrd, the operation is asynchronous to any init control and can get unexpectedly affected/interrupted by an eventual root switch. Using an auxiliary bus leaves these module loads to udevd which better integrates with systemd processing. [2] General benefit is to get rid of custom interface logic and instead use a common facility available for this task. An obvious risk is that some new bug is introduced by the conversion. Leon Romanovsky was kind enough to check for me that the series passes their verification tests. Changes since v2 [3]: * Use 'void *' as the event param of mlx4_dispatch_event(). Changes since v1 [4]: * Fix a missing definition of the err variable in mlx4_en_add(). * Remove not needed comments about the event type in mlx4_en_event() and mlx4_ib_event(). [1] https://lore.kernel.org/netdev/20201101201542.2027568-1-leon@kernel.org/ [2] https://lore.kernel.org/netdev/0a361ac2-c6bd-2b18-4841-b1b991f0635e@suse.com/ [3] https://lore.kernel.org/netdev/20230813145127.10653-1-petr.pavlu@suse.com/ [4] https://lore.kernel.org/netdev/20230804150527.6117-1-petr.pavlu@suse.com/ ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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| README | ||
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.