Re: [PATCH v2 0/4] Firmware LSM hook

[Jason Gunthorpe]

On Thu, Apr 23, 2026 at 05:09:50PM +0300, Leon Romanovsky wrote:

> > > Leon mentioned that different firmware revisions would have different
> > > parameters for a given opcode, and that one would need to inspect
> > > those parameters to properly filter the command.  Is that not true, or
> > > am I misreading or misunderstanding Leon's comments?
> > 
> > They are ABI stable, so there will be rules about future changes that
> > old software can follow to ignore or reject future things it doesn't
> > understand.
> 
> It is wishful thinking and applicable only to mlx5 devices. No one
> promises that other devices follow same ABI rules.

Well, I will definately kick them out of fwctl if they don't.

Jason