On Wed, Apr 24, 2024 at 11:34:38AM +0800, Henry Wang wrote:
> For overlay with iommu functionality to work with running VMs, we need
> to enable IOMMU when iomem presents for the domains.
>
> Signed-off-by: Vikram Garhwal <[email protected]>
> Signed-off-by: Henry Wang <[email protected]>
> ---
> tools/libs/light/libxl_arm.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/tools/libs/light/libxl_arm.c b/tools/libs/light/libxl_arm.c
> index 1cb89fa584..dd5c9f4917 100644
> --- a/tools/libs/light/libxl_arm.c
> +++ b/tools/libs/light/libxl_arm.c
> @@ -222,6 +222,12 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc,
> config->arch.sve_vl = d_config->b_info.arch_arm.sve_vl / 128U;
> }
>
> +#ifdef LIBXL_HAVE_DT_OVERLAY
libxl_arm.c is only build on Arm, so this should be defined, so no need
to check.
> + if (d_config->b_info.num_iomem) {
> + config->flags |= XEN_DOMCTL_CDF_iommu;
Is this doing the same thing as the previous patch?
Thanks,
--
Anthony PERARD
