Re: [PATCH v6 05/18] PCI/P2PDMA: Evaluate ACS controls at the path divergence

[Logan Gunthorpe]

On 2026-09-14 05:22, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
> 
> ACS redirect controls choose between peer and upstream routes only at the
> path divergence. Applying them below that point rejects valid nested
> topologies because traffic already has only an upstream route.
> 
> Evaluate Request controls on the client-side divergence port and Completion
> Redirect on the provider-side port and reject an unreadable ACS Control
> register.
> 
> Fixes: 52916982af48 ("PCI/P2PDMA: Support peer-to-peer memory")
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>

Still looks good to me:

Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>