Re: [PATCH v6 2/7] iommu/sva: Move PASID helpers to sva code

[Jason Gunthorpe]

On Mon, Mar 13, 2023 at 01:41:53PM -0700, Jacob Pan wrote:
> Preparing to remove IOASID infrastructure, PASID management will be
> under SVA code. Decouple mm code from IOASID.
> 
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> ---
> v6:
> 	- put helpers under iommu.h instead of iommu-helper.h
> v5:
> 	- move definition of helpers to iommu code to be consistent with
> 	  declarations. (Kevin)
> 	- fix patch partitioning bug (Baolu)
> v4:
> 	- delete and open code mm_set_pasid
> 	- keep mm_init_pasid() as inline for fork performance
> ---
>  drivers/iommu/iommu-sva.c | 10 +++++++++-
>  include/linux/ioasid.h    |  6 +-----
>  include/linux/iommu.h     | 14 +++++++++++++-
>  include/linux/sched/mm.h  | 26 --------------------------
>  kernel/fork.c             |  3 +++
>  5 files changed, 26 insertions(+), 33 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason