[PATCH v6 02/12] PCI: liveupdate: Track outgoing preserved PCI devices

[Pasha Tatashin]

On Fri, 22 May 2026 20:24:00 +0000, David Matlack <dmatlack at google.com> wrote:
> diff --git a/drivers/pci/liveupdate.c b/drivers/pci/liveupdate.c
> index 737e7b9366db..065d5af822f7 100644
> --- a/drivers/pci/liveupdate.c
> +++ b/drivers/pci/liveupdate.c
> @@ -115,6 +150,138 @@ static struct liveupdate_flb pci_liveupdate_flb = {
> [ ... skip 59 lines ... ]
> +		dev_ser->bdf = pci_dev_id(dev);
> +		dev_ser->refcount = 1;
> +
> +		dev->liveupdate.outgoing = dev_ser;
> +		return 0;
> +	}

This loop is compatible with KHO block iterators, as mentioned in the 
previous email. It should be straightforward to convert to them.

>
> diff --git a/include/linux/kho/abi/pci.h b/include/linux/kho/abi/pci.h
> index 6ebcf817fff4..85def616703d 100644
> --- a/include/linux/kho/abi/pci.h
> +++ b/include/linux/kho/abi/pci.h
> @@ -23,19 +23,22 @@
> [ ... skip 16 lines ... ]
>   */
>  struct pci_dev_ser {
>  	u32 domain;
>  	u16 bdf;
> -	u16 padding;
> +	u16 refcount;

Just add refcount to the previous patch, to reduce changes to your own 
code.

Otherwise looks good

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