summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/include/asm/topology.h1
-rw-r--r--arch/x86/pci/bus_numa.c10
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index d35f24e..09046a1 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -131,6 +131,7 @@ static inline void arch_fix_phys_package_id(int num, u32 slot)
}
struct pci_bus;
+int x86_pci_root_bus_node(int bus);
void x86_pci_root_bus_resources(int bus, struct list_head *resources);
#ifdef CONFIG_SMP
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index c2735fe..2e36a44 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -20,6 +20,16 @@ static struct pci_root_info *x86_find_pci_root_info(int bus)
return NULL;
}
+int x86_pci_root_bus_node(int bus)
+{
+ struct pci_root_info *info = x86_find_pci_root_info(bus);
+
+ if (!info)
+ return NUMA_NO_NODE;
+
+ return info->node;
+}
+
void x86_pci_root_bus_resources(int bus, struct list_head *resources)
{
struct pci_root_info *info = x86_find_pci_root_info(bus);
OpenPOWER on IntegriCloud