Re: [PATCH net-next 00/10] Convert mlx4 to use auxiliary bus

[Jason Gunthorpe]

On Fri, Aug 04, 2023 at 05:05:17PM +0200, Petr Pavlu wrote:
> 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]

Neat, I didn't realize that was a pain point for distros.

Jason