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-rw-r--r--arch/x86_64/kernel/aperture.c2
-rw-r--r--arch/x86_64/kernel/early-quirks.c4
-rw-r--r--arch/x86_64/kernel/pci-calgary.c3
-rw-r--r--arch/x86_64/kernel/vsmp.c3
-rw-r--r--arch/x86_64/mm/k8topology.c3
5 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index f851e1f..b487396 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -212,7 +212,7 @@ void __init iommu_hole_init(void)
u64 aper_base, last_aper_base = 0;
int valid_agp = 0;
- if (iommu_aperture_disabled || !fix_aperture)
+ if (iommu_aperture_disabled || !fix_aperture || !early_pci_allowed())
return;
printk("Checking aperture...\n");
diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c
index d637cff..208e38a 100644
--- a/arch/x86_64/kernel/early-quirks.c
+++ b/arch/x86_64/kernel/early-quirks.c
@@ -82,6 +82,10 @@ static struct chipset early_qrk[] = {
void __init early_quirks(void)
{
int num, slot, func;
+
+ if (!early_pci_allowed())
+ return;
+
/* Poor man's PCI discovery */
for (num = 0; num < 32; num++) {
for (slot = 0; slot < 32; slot++) {
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 466588f..cfb09b0 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -924,6 +924,9 @@ void __init detect_calgary(void)
if (swiotlb || no_iommu || iommu_detected)
return;
+ if (!early_pci_allowed())
+ return;
+
specified_table_size = determine_tce_table_size(end_pfn * PAGE_SIZE);
for (bus = 0; bus < MAX_PHB_BUS_NUM; bus++) {
diff --git a/arch/x86_64/kernel/vsmp.c b/arch/x86_64/kernel/vsmp.c
index 92f70c7..044e852 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))
diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c
index 7c45c2d..5cf594f 100644
--- a/arch/x86_64/mm/k8topology.c
+++ b/arch/x86_64/mm/k8topology.c
@@ -54,6 +54,9 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
nodes_clear(nodes_parsed);
+ if (!early_pci_allowed())
+ return -1;
+
nb = find_northbridge();
if (nb < 0)
return nb;