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Re: [PATCH v1 3/8] xen/pci: update DT for hwdom when it uses vpci
- To: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 25 Sep 2025 08:50:23 +0200
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- Cc: Luca Fancellu <luca.fancellu@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 25 Sep 2025 06:50:19 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.09.2025 09:59, Mykyta Poturai wrote:
> --- a/xen/arch/x86/include/asm/pci.h
> +++ b/xen/arch/x86/include/asm/pci.h
> @@ -76,4 +76,10 @@ int pci_sanitize_bar_memory(struct rangeset *r);
>
> void pci_setup(void);
>
> +/* Unlike ARM, HW domain does not ever use vpci for x86 */
What did you derive this from? PVH Dom0 very well uses vPCI. In fact that's
what it was first introduced for, iirc.
Jan
> +static inline bool hwdom_uses_vpci(void)
> +{
> + return false;
> +}
> +
> #endif /* __X86_PCI_H__ */
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