On Tue, 10 Apr 2012, 21:07:02 BST, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Tue, Apr 10, 2012 at 12:46 PM, Steven Newbury <steve@xxxxxxxxxxxxxxx> > wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > > the suitable range for that is 0xe0000000-0xefffffff. that is not > > > bigger enough, because need to preallocate 64M optional for 03:01.0 > > > the cardbus. but that is optional. > > > > Maybe this is a stupid question, but is there any way of enlarging the > > PCI hole? > > Sane BIOS should have one option to increase that. > > or it should probe MMIO range it need to allocate for pci devices and > hotplug. then set TOP_OF_LOW_MEM. > So far I'm concluding the BIOS isn't sane. Is it possible to define a custom memory map from the linux boot cmdline to set TOP_OF_LOW_MEM? Obviously, I'd prefer getting everything allocated into the address space available, and working, but if it comes down to it I'd accept a hack like the above if there's no other way. -- 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
