On 05/29/2012 11:17 AM, Yinghai Lu wrote: > > pci bridge could support 16bits and 32bits io port. > but we did not record if 32bits is supported. > Okay, so this is the actual problem, no? > so during allocating, could have allocated above 64k address to non > 32bit bridge. > > but x86 is ok, because ioport.end always set to 0xffff. > other arches with IO_SPACE_LIMIT with 0xffffffff or > 0xffffffffffffffffUL may have problem. The latter is nonsense, the PCI-side address space is only 32 bits wide. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html