diff options
Diffstat (limited to 'arch/x86/pci/common.c')
| -rw-r--r-- | arch/x86/pci/common.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 9e1e6b8d8876..ddb798603201 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -595,6 +595,14 @@ char *__init pcibios_setup(char *str) } else if (!strcmp(str, "nocrs")) { pci_probe |= PCI_ROOT_NO_CRS; return NULL; + } else if (!strcmp(str, "use_e820")) { + pci_probe |= PCI_USE_E820; + add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); + return NULL; + } else if (!strcmp(str, "no_e820")) { + pci_probe |= PCI_NO_E820; + add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); + return NULL; #ifdef CONFIG_PHYS_ADDR_T_64BIT } else if (!strcmp(str, "big_root_window")) { pci_probe |= PCI_BIG_ROOT_WINDOW; |