On Thu, 08 Oct 2026 14:52:02 +0200, Andrea Parri wrote:
> iommufd: Keep dmabuf MMIO attributes in domains added later
>
> A VFIO PCI dmabuf mapped into an IOAS gets IOMMU_MMIO only in the domains
> that exist when it is mapped. A domain attached afterwards, or an
> IOMMU_IOAS_COPY of the area, reads the PFNs back from the existing
> domain and maps the BAR as cacheable CPU memory. Patch 1 always takes
> dmabuf PFNs from the recorded phys range instead.
>
> [...]
Applied, thanks!
[1/2] iommufd: Keep dmabuf PFNs MMIO when filling another domain
https://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd.git/commit/?id=769f2cd9226c96619d77fa16af84de74cae41b6b
Best regards,
--
Jason
