On Mon, 17 Jan 2022, Yao Hongbo wrote: > > Why can't we make Linux smart enough to fix this by itself, without > > forcing the user to boot with "pci=reassign_all_bus"? > > You're right, it's better for us to make pci enumeration more smart. > > But i think it's better to provide an additional option for users on ACPI systems, > > which can quickly distingguish the issues between the BIOS and the OS. Even if so, x86 has had `pci=assign-busses' for decades already (i.e. from Linux 2.4.6), so why not reuse it for whatever your ACPI platform is? Maciej
