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Re: [PATCH v7 1/8] iommu/arm: Add iommu_dt_xlate()
- To: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 4 Feb 2025 15:12:45 +0100
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- Cc: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, Oleksandr Tyshchenko <Oleksandr_Tyshchenko@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Julien Grall <jgrall@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 04 Feb 2025 14:12:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 04.02.2025 14:54, Mykyta Poturai wrote:
> --- a/xen/include/xen/iommu.h
> +++ b/xen/include/xen/iommu.h
> @@ -238,6 +238,9 @@ int iommu_do_dt_domctl(struct xen_domctl *domctl, struct
> domain *d,
> */
> int iommu_remove_dt_device(struct dt_device_node *np);
>
> +/* Error code for reporting no IOMMU is present */
> +#define NO_IOMMU 1
Hmm. The identifier is overly generic, and even the comment leaves open
whose error code this is.
Jan
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