Re: [PATCH] iommu/vt-d: Enhance capability check for nested parent domain allocation

[Baolu Lu]

On 10/24/23 11:00 PM, Yi Liu wrote:
> This adds the scalable mode check before allocating the nested parent domain
> as checking nested capability is not enough. User may turn off scalable mode
> which also means no nested support even if the hardware supports it.
>
> Fixes: c97d1b20d383 ("iommu/vt-d: Add domain_alloc_user op")
> Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>
> ---
> v1: Based on Joao's dirty page tracking v6 https://github.com/jpemartins/linux/commits/iommufd-v6
> ---
>   drivers/iommu/intel/iommu.c | 2 +-
>   drivers/iommu/intel/iommu.h | 2 ++
>   2 files changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Hi Jason,

Given that this fixes a commit in the iommufd tree, can you please pick
this fix as well?

Best regards,
baolu