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Re: [PATCH v4 06/11] xen/domain: Call pci_release_devices() when releasing domain resources
- To: Oleksandr Andrushchenko <andr2000@xxxxxxxxx>
- From: Rahul Singh <Rahul.Singh@xxxxxxx>
- Date: Wed, 6 Oct 2021 10:35:23 +0000
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- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "oleksandr_tyshchenko@xxxxxxxx" <oleksandr_tyshchenko@xxxxxxxx>, "volodymyr_babchuk@xxxxxxxx" <volodymyr_babchuk@xxxxxxxx>, "Artem_Mygaiev@xxxxxxxx" <Artem_Mygaiev@xxxxxxxx>, "roger.pau@xxxxxxxxxx" <roger.pau@xxxxxxxxxx>, "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>, "andrew.cooper3@xxxxxxxxxx" <andrew.cooper3@xxxxxxxxxx>, "george.dunlap@xxxxxxxxxx" <george.dunlap@xxxxxxxxxx>, "paul@xxxxxxx" <paul@xxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
- Delivery-date: Wed, 06 Oct 2021 10:35:44 +0000
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- Thread-topic: [PATCH v4 06/11] xen/domain: Call pci_release_devices() when releasing domain resources
Hi Oleksandr,
> On 4 Oct 2021, at 3:11 pm, Oleksandr Andrushchenko <andr2000@xxxxxxxxx> wrote:
>
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
>
> 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@xxxxxxxx>
> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Reviewed-by: Rahul Singh <rahul.singh@xxxxxxx>
Tested-by: Rahul Singh <rahul.singh@xxxxxxx>
Regards,
Rahul
> ---
> 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 fbb52f78f1a6..79012bf77757 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
>
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