Re: [PATCH v2] iommu/vt-d: Flush piotlb for SVM and Nested domain

[Baolu Lu <baolu.lu@linux.intel.com>]

On 12/23/25 14:58, Yi Liu wrote:
> Besides the paging domains that use FS, SVM and Nested domains need to
> use piotlb invalidation descriptor as well.
> 
> Fixes: b33125296b50 ("iommu/vt-d: Create unique domain ops for each stage")
> Signed-off-by: Yi Liu<yi.l.liu@intel.com>
> ---
> Change log:
> v2:
> - Use domain.type to filter nested and SVA type domain. This eliminates
>    the SVA domain ops reference issue when SVM is compiled out. (Kevin)
> - Add a intel_domain_use_piotlb() helper to cover the three cases which
>    need to flush piotlb. (Kevin)
> 
> v1:https://lore.kernel.org/linux-iommu/20251208091907.74719-1- 
> yi.l.liu@intel.com/
> ---
>   drivers/iommu/intel/cache.c | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)

Queued for iommu next.

Thanks,
baolu