On Tue, Jan 11, 2022 at 10:50:50AM +0200, Dafna Hirschfeld wrote: > I'll send v2 with shorter lines. (the official limit is now 100 char which I still follow). No. It is 80 lines with an exception to go over it if it sigificantly improves readability. > You mean you would call "invalidate_kernel_vmap_range" before "dma_sync_sgtable_for_cpu" ? Yes.