[PATCH v6 05/12] PCI: liveupdate: Keep bus numbers constant during Live Update

[Pasha Tatashin]

On Fri, 22 May 2026 20:24:03 +0000, David Matlack <dmatlack at google.com> wrote:
> diff --git a/drivers/pci/liveupdate.c b/drivers/pci/liveupdate.c
> index 4f2ec6ffdd16..2421bc218916 100644
> --- a/drivers/pci/liveupdate.c
> +++ b/drivers/pci/liveupdate.c
> @@ -103,7 +118,7 @@
>  /**
>   * struct pci_liveupdate_global - Global state for PCI Live Update support
>   * @rwsem: Reader/writer semaphore used to protect the incoming and outgoing
> - *         FLBs, and the references to them in struct pci_dev.
> + *         FLBs and references to them in struct pci_dev.

This change does not belong to this patch.

> @@ -396,6 +411,72 @@ static void pci_liveupdate_flb_put_incoming(void)
>  	liveupdate_flb_put_incoming(&pci_liveupdate_flb);
>  }
>  
> +bool pci_liveupdate_scan_bridge_begin(struct pci_bus *bus, struct pci_dev *dev,
> +				      int pass)

This function requires a header comment; it is public and not self-descriptive.

-- 
Pasha Tatashin <pasha.tatashin at soleen.com>