On 2018-03-01 11:31, Andy Shevchenko wrote: > On Thu, Mar 1, 2018 at 7:40 AM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote: > >> Use the PCI mmconfig base address exported by jailhouse in boot >> parameters in order to access the memory mapped PCI configuration space. > > >> --- a/arch/x86/kernel/jailhouse.c >> +++ b/arch/x86/kernel/jailhouse.c >> @@ -124,6 +124,13 @@ static int __init jailhouse_pci_arch_init(void) >> if (pcibios_last_bus < 0) >> pcibios_last_bus = 0xff; >> >> +#ifdef CONFIG_PCI_MMCONFIG >> + if (setup_data.pci_mmconfig_base) { > >> + pci_mmconfig_add(0, 0, 0xff, setup_data.pci_mmconfig_base); > > Hmm... Shouldn't be pcibios_last_bus instead of 0xff? > Indeed. Thanks, Jan >> + pci_mmcfg_arch_init(); >> + } >> +#endif > -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux