On Wed, Aug 12, 2026 at 04:58:28PM +0800, Yu Zhang wrote:
> Thank you, Jason!
> Do you mean something like below?
>
> -#define X86_IOMMU_MSI_RANGE_START 0xfee00000
> -#define X86_IOMMU_MSI_RANGE_END 0xfeefffff
> +static inline struct iommu_resv_region *
> +iommu_alloc_resv_x86_msi_region(void)
> +{
> + return iommu_alloc_resv_region(0xfee00000, SZ_1M, 0,
> + IOMMU_RESV_MSI, GFP_KERNEL);
> +}Yeah something like that. Jason
