On Wed, Oct 30, 2024 at 02:35:31PM -0700, Nicolin Chen wrote: > From: Jason Gunthorpe <jgg@xxxxxxxxxx> > > The iommu_copy_struct_from_user_array helper can be used to copy a single > entry from a user array which might not be efficient if the array is big. > > Add a new iommu_copy_struct_from_full_user_array to copy the entire user > array at once. Update the existing iommu_copy_struct_from_user_array kdoc > accordingly. > > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > --- > include/linux/iommu.h | 48 ++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 47 insertions(+), 1 deletion(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason