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@@ -456,19 +456,25 @@ void __init dmi_check_pciprobe(void)
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dmi_check_system(pciprobe_dmi_table);
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dmi_check_system(pciprobe_dmi_table);
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}
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}
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-struct pci_bus *pcibios_scan_root(int busnum)
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+void pcibios_scan_root(int busnum)
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{
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{
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- struct pci_bus *bus = NULL;
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+ struct pci_bus *bus;
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+ struct pci_sysdata *sd;
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+ LIST_HEAD(resources);
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- while ((bus = pci_find_next_bus(bus)) != NULL) {
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- if (bus->number == busnum) {
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- /* Already scanned */
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- return bus;
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- }
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+ sd = kzalloc(sizeof(*sd), GFP_KERNEL);
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+ if (!sd) {
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+ printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busnum);
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+ return;
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+ }
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+ sd->node = x86_pci_root_bus_node(busnum);
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+ x86_pci_root_bus_resources(busnum, &resources);
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+ printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum);
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+ bus = pci_scan_root_bus(NULL, busnum, &pci_root_ops, sd, &resources);
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+ if (!bus) {
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+ pci_free_resource_list(&resources);
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+ kfree(sd);
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}
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}
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-
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- return pci_scan_bus_on_node(busnum, &pci_root_ops,
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- get_mp_bus_to_node(busnum));
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}
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}
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void __init pcibios_set_cache_line_size(void)
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void __init pcibios_set_cache_line_size(void)
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@@ -677,105 +683,3 @@ int pci_ext_cfg_avail(void)
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else
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else
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return 0;
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return 0;
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}
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}
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-
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-struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
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-{
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- LIST_HEAD(resources);
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- struct pci_bus *bus = NULL;
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- struct pci_sysdata *sd;
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-
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- /*
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- * Allocate per-root-bus (not per bus) arch-specific data.
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- * TODO: leak; this memory is never freed.
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- * It's arguable whether it's worth the trouble to care.
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- */
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- sd = kzalloc(sizeof(*sd), GFP_KERNEL);
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- if (!sd) {
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- printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busno);
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- return NULL;
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- }
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- sd->node = node;
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- x86_pci_root_bus_resources(busno, &resources);
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- printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busno);
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- bus = pci_scan_root_bus(NULL, busno, ops, sd, &resources);
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- if (!bus) {
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- pci_free_resource_list(&resources);
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- kfree(sd);
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- }
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-
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- return bus;
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-}
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-
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-struct pci_bus *pci_scan_bus_with_sysdata(int busno)
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-{
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- return pci_scan_bus_on_node(busno, &pci_root_ops, -1);
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-}
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-
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-/*
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- * NUMA info for PCI busses
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- *
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- * Early arch code is responsible for filling in reasonable values here.
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- * A node id of "-1" means "use current node". In other words, if a bus
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- * has a -1 node id, it's not tightly coupled to any particular chunk
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- * of memory (as is the case on some Nehalem systems).
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- */
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-#ifdef CONFIG_NUMA
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-
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-#define BUS_NR 256
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-
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-#ifdef CONFIG_X86_64
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-
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-static int mp_bus_to_node[BUS_NR] = {
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- [0 ... BUS_NR - 1] = -1
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-};
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-
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-void set_mp_bus_to_node(int busnum, int node)
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-{
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- if (busnum >= 0 && busnum < BUS_NR)
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- mp_bus_to_node[busnum] = node;
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-}
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-
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-int get_mp_bus_to_node(int busnum)
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-{
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- int node = -1;
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-
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- if (busnum < 0 || busnum > (BUS_NR - 1))
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- return node;
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-
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- node = mp_bus_to_node[busnum];
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-
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- /*
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- * let numa_node_id to decide it later in dma_alloc_pages
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- * if there is no ram on that node
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- */
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- if (node != -1 && !node_online(node))
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- node = -1;
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-
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- return node;
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-}
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-
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-#else /* CONFIG_X86_32 */
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-
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-static int mp_bus_to_node[BUS_NR] = {
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- [0 ... BUS_NR - 1] = -1
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-};
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-
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-void set_mp_bus_to_node(int busnum, int node)
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-{
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- if (busnum >= 0 && busnum < BUS_NR)
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- mp_bus_to_node[busnum] = (unsigned char) node;
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-}
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-
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-int get_mp_bus_to_node(int busnum)
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-{
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- int node;
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-
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- if (busnum < 0 || busnum > (BUS_NR - 1))
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- return 0;
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- node = mp_bus_to_node[busnum];
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- return node;
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-}
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-
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-#endif /* CONFIG_X86_32 */
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-
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-#endif /* CONFIG_NUMA */
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