diff options
Diffstat (limited to 'arch/x86_64/kernel/vsmp.c')
| -rw-r--r-- | arch/x86_64/kernel/vsmp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/vsmp.c b/arch/x86_64/kernel/vsmp.c index 92f70c74965..044e852bd25 100644 --- a/arch/x86_64/kernel/vsmp.c +++ b/arch/x86_64/kernel/vsmp.c @@ -20,6 +20,9 @@ static int __init vsmp_init(void) void *address; unsigned int cap, ctl; + if (!early_pci_allowed()) + return 0; + /* Check if we are running on a ScaleMP vSMP box */ if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) != PCI_VENDOR_ID_SCALEMP) || (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) != PCI_DEVICE_ID_SCALEMP_VSMP_CTL)) |