Re: [PATCH v4 5/5] vPCI: re-init extended-capabilities when MMCFG availability changed

[Stewart Hildebrand]

On 2/10/26 05:55, Jan Beulich wrote:
> --- a/xen/drivers/vpci/cap.c
> +++ b/xen/drivers/vpci/cap.c
> @@ -376,6 +379,20 @@ void vpci_cleanup_capabilities(struct pc
>      }
>  }
>  
> +int vpci_reinit_ext_capabilities(struct pci_dev *pdev)
> +{
> +    if ( !pdev->vpci )
> +        return 0;
> +
> +    vpci_cleanup_capabilities(pdev, true);
In the case where pdev->ext_cfg transitions from true to false, it doesn't look
like this would actually result in the respective capability->cleanup() hook
being called, due to reliance on pci_find_ext_capability().