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

Leon Romanovsky
2026-04-23T14:09:55Z

On Fri, Apr 17, 2026 at 04:17:49PM -0300, Jason Gunthorpe wrote:
> On Wed, Apr 15, 2026 at 05:40:04PM -0400, Paul Moore 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.

Thanks