Re: [PATCH v3 07/11] iommu: Prepare for separating SVA and IOPF

[Jason Gunthorpe]

On Fri, Aug 18, 2023 at 07:40:43AM +0800, Lu Baolu wrote:
> Move iopf_group data structure to iommu.h. This is being done to make it
> a minimal set of faults that a domain's page fault handler should handle.
> 
> Add two new helpers for the domain's page fault handler:
> - iopf_free_group: free a fault group after all faults in the group are
>   handled.
> - iopf_queue_work: queue a given work item for a fault group.
> 
> This will simplify the sequential patches.
> 
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> ---
>  include/linux/iommu.h      | 12 ++++++++++
>  drivers/iommu/io-pgfault.c | 49 ++++++++++++++++++++++----------------
>  2 files changed, 41 insertions(+), 20 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason