… > +++ b/drivers/vfio/vfio_iommu_type1.c > @@ -2798,7 +2798,8 @@ static int vfio_iommu_type1_dma_rw_chunk … > - bool kthread = current->mm == NULL; > + bool kthread = current->flags & PF_KTHREAD; > + bool use_mm = current->mm == NULL; … Can it be helpful to convert initialisations for these variables into later assignments? Regards, Markus