On Thu, Sep 12, 2024 at 06:04:27AM -0700, Yi Liu wrote: > The iommu core is going to support domain replacement for pasid, it needs > to make the set_dev_pasid op support replacing domain and keep the old > domain config in the failure case. > > AMD iommu driver does not support domain replacement for pasid yet, so it > would fail the set_dev_pasid op to keep the old config if the input @old > is non-NULL. > > Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > --- > drivers/iommu/amd/pasid.c | 3 +++ > include/linux/iommu.h | 3 ++- > 2 files changed, 5 insertions(+), 1 deletion(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
