On Tue, Aug 26, 2014 at 3:16 PM, Mantas Mikulėnas <grawity@xxxxxxxxx> wrote: > > In particular, I just realized yesterday that I don't know whether > it's referring to physical or virtual addresses in the initrd load > code -- and the laptop only has 4 GB of memory, so the kernel > shouldn't be using larger physical addresses in the first place. > (Virtual ones, on the other hand, /would/ mean a weird bug like > described above.) When you have 4G ram installed, the mmio could take [3G,4G). ram range will be [0,3G), [4G, 5G). Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html