Re: [RFC PATCH 0/12] drm/fabric: vendor-neutral topology infrastructure for scale-up accelerator interconnects

From: Konstantin Sinyuk

Date: Wed Aug 26 2026 - 11:39:24 EST


On Wed, Aug 26, 2026 at 12:32:22PM +0300, Leon Romanovsky wrote:
> Tell your AI that this is not how things work in the real world. The chances
> of multiple hardware implementations fitting a software model designed
> without considering the actual hardware are effectively zero. This is why
> successful subsystems have emerged from consolidating support for multiple
> existing hardware implementations.

Fair point. The simulator validates the implementation, not whether the
abstraction fits real hardware.

The model was shaped by the public amdgpu xGMI implementation, and the
cover letter asks AMD whether it covers their requirements. It still
needs validation against production implementations, and the read-only
milestone will not be proposed for merge without a production provider.
I will fix the wording in the next revision.

Thanks,
Konstantin.