Re: [PATCH v4 00/17] Add VFIO mediated device support and DEV-MSI support for the idxd driver

[Jason Gunthorpe]

On Mon, Nov 02, 2020 at 10:38:28AM -0800, Dan Williams wrote:

> > I think you will be the first to use the namespace stuff for this, it
> > seems like a good idea and others should probably do so as well.
> 
> I was thinking either EXPORT_SYMBOL_NS, or auxiliary bus, because you
> should be able to export an ops structure with all the necessary
> callbacks. 

'or'? 

Auxiliary bus should not be used with huge arrays of function
pointers... The module providing the device should export a normal
linkable function interface. Putting that in a namespace makes a lot
of sense.

Jason