On (07/19/15 22:25), Rasmus Villemoes wrote: > > Wouldn't GENMASK(align_order-1, 0) work for all cases (assuming > align_order has a sane value)?
Devices with limits on DMA masks are uncommon, so I'm personally not an expert at all the variations in this space, but I was thinking that this doing align_mask = 0xffffffffffffffffull >> (64 - align_order); would be the compact answer for both 32 and 64 bit cases here? --Sowmini -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
