----- Ursprüngliche Mail ----- > On Thu, Aug 10, 2023 at 12:34:44AM +0200, Richard Weinberger wrote: >> Will do so! So far I managed to get UBIblock work with scsi_kmap_atomic_sg(). >> Sadly now with kmap'ed memory a bounce buffer is needed since IO in UBI/MTD can >> sleep. >> Is there a strong reason why scsi_kmap_atomic_sg() needs IRQs disabled? > > I don't think it needs irqs disabled. Also if you switch from the > deprecated kmap_atomic to kmap_local first you can sleep and don't > need bounce buffers. Yep, for upstream kmap_local will do the trick, but I need also something for the stable trees. Anyway, time to get some sleep. Thanks, //richard