Re: [PATCH 5/7] iommu/vt-d: Remove domain_update_iommu_superpage()

From: Jason Gunthorpe
Date: Fri Oct 11 2024 - 12:30:46 EST


On Fri, Oct 11, 2024 at 12:27:20PM +0800, Lu Baolu wrote:
> The requirement for consistent super page support across all the IOMMU
> hardware in the system has been removed. In the past, if a new IOMMU
> was hot-added and lacked consistent super page capability, the hot-add
> process would be aborted. However, with the updated attachment semantics,
> it is now permissible for the super page capability to vary among
> different IOMMU hardware units.
>
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> ---
> drivers/iommu/intel/iommu.c | 39 +------------------------------------
> 1 file changed, 1 insertion(+), 38 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason