On Sun, Nov 21, 2010 at 09:29:59PM +0200, Gleb Natapov wrote: > > We can control the bus numbers that the BIOS will assign to pci root. > And if you need to insert device that sits behind pci-to-pci bridge? Do > you want to control that bus address too? And bus number do not unambiguously > describe pci root since two roots can have same bus number just fine.
They have to have different segment numbers. > > It's probably required to make them stable anyway. > > > Why? To avoid bus renumbering on reboot after you add a pci-to-pci bridge. -- MST
