Re: [PATCH v3 0/2] PCI: Reduce FLR delay to 10ms for MSFT devices

[Christoph Hellwig]

On Wed, Jun 11, 2025 at 12:05:50AM +0000, grwhyte@xxxxxxxxxxxxxxxxxxx wrote:
> From: Graham Whyte <grwhyte@xxxxxxxxxxxxxxxxxxx>
> 
> Add a new flr_delay member of the pci_dev struct to allow customization of
> the delay after FLR for devices that do not support immediate readiness
> or readiness time reporting. The main scenario this addresses is VF
> removal and rescan during runtime repairs and driver updates, which,
> if fixed to 100ms, introduces significant delays across multiple VFs.
> These delays are unnecessary for devices that complete the FLR well
> within this timeframe.

Please work with the PCIe SIG to have a standard capability for this
instead of piling up hacks like this quirk.