linux-kernel - Re: [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound

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Message-ID: <aWYaqZLhNVHof4BW@ryzen>
Date: Tue, 13 Jan 2026 11:12:57 +0100
From: Niklas Cassel <cassel@...nel.org>
To: Koichiro Den <den@...inux.co.jp>
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Subject: Re: [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC
 feature

On Tue, Jan 13, 2026 at 11:37:13AM +0900, Koichiro Den wrote:
> Introduce a new EPC feature bit (dynamic_inbound_mapping) that indicates
> whether an Endpoint Controller can update the inbound address
> translation for a BAR without requiring the EPF driver to clear/reset
> the BAR first.
> 
> Endpoint Function drivers (e.g. vNTB) can use this information to decide
> whether it really is safe to call pci_epc_set_bar() multiple times to
> update inbound mappings for the BAR.
> 
> Signed-off-by: Koichiro Den <den@...inux.co.jp>
> ---

Since your new feature depends on this feature, this patch should be first
in the series.

With that fixed:
Reviewed-by: Niklas Cassel <cassel@...nel.org>