Re: [PATCH v2 06/11] xen/domain: Call pci_release_devices() when releasing domain resources

[Stefano Stabellini <sstabellini@kernel.org>]

On Thu, 23 Sep 2021, Oleksandr Andrushchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
> 
> This is the very same that we already do for DT devices. Moreover, x86
> already calls pci_release_devices().
> 
> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


> ---
> Since v1:
>  - re-wording in the commit message
> ---
>  xen/arch/arm/domain.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
> index f7ed130023d5..854e8fed0393 100644
> --- a/xen/arch/arm/domain.c
> +++ b/xen/arch/arm/domain.c
> @@ -985,7 +985,8 @@ static int relinquish_memory(struct domain *d, struct page_list_head *list)
>   * function which may return -ERESTART.
>   */
>  enum {
> -    PROG_tee = 1,
> +    PROG_pci = 1,
> +    PROG_tee,
>      PROG_xen,
>      PROG_page,
>      PROG_mapping,
> @@ -1022,6 +1023,12 @@ int domain_relinquish_resources(struct domain *d)
>  #ifdef CONFIG_IOREQ_SERVER
>          ioreq_server_destroy_all(d);
>  #endif
> +#ifdef CONFIG_HAS_PCI
> +    PROGRESS(pci):
> +        ret = pci_release_devices(d);
> +        if ( ret )
> +            return ret;
> +#endif
>  
>      PROGRESS(tee):
>          ret = tee_relinquish_resources(d);
> -- 
> 2.25.1
>