On Tue, Jan 29, 2019 at 08:34:09AM +0100, Christoph Hellwig wrote: > For some odd reason dell_rbu actually seems to want the physical and > not a bus address for the allocated buffer. Lets assume that actually > is correct given that it is BIOS-related and that is a good source > of insanity. In that case we should not use dma_alloc_coherent with > a NULL device to allocate memory, but use GFP_DMA32 to stay under > the 32-bit BIOS limit. + Mario re bios related physical address - is Christoph's assumption correct? Christoph, did you observe a failure? If so, we should probably also tag for stable. -- Darren Hart VMware Open Source Technology Center