On Fri, 18 May 2007 09:30:09 -0700, "Williams, Dan J" <dan.j.williams@xxxxxxxxx> wrote: > When CONFIG_DMA_ENGINE=n async_tx_find_channel takes the form: > ... async_tx_find_channel( ... ) > { > return NULL; > } > > So in the S390 case the entire asynchronous path will be compiled away. Unfortunately, do_async_xor() (and others) is not ifdef'ed and contains dma_map_page(), which led to the compile failure... - To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html