On 05/04/12 15:18, Kevin O'Connor wrote: > On Fri, May 04, 2012 at 10:21:22AM +0200, Gerd Hoffmann wrote: >> Hi, >> >> This patch series makes the PCI I/O windows runtime-configurable via >> qemu firmware config interface. Main advantage is that we can size and >> shuffle around the PCI i/O windows according to the amount of memory the >> virtual machine has. We don't need a hole for 64bit PCI bars, we can >> just map them above the main memory. The hole for 32bit PCI bars can be >> enlarged for guests with less than 3.5 GB of memory. > > Why pass in a PCI IO range through fw_cfg if SeaBIOS can figure out an > acceptable range from the amount of memory in the machine?
Suggestions on how to update the pci host bridge windows in the dsdt then? cheers, Gerd
