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-rw-r--r--arch/x86/include/asm/k8.h4
-rw-r--r--arch/x86/include/asm/page_types.h3
-rw-r--r--arch/x86/kernel/setup.c10
-rw-r--r--arch/x86/mm/init_32.c4
-rw-r--r--arch/x86/mm/init_64.c3
-rw-r--r--arch/x86/mm/k8topology_64.c52
-rw-r--r--arch/x86/mm/numa_32.c4
-rw-r--r--arch/x86/mm/numa_64.c6
8 files changed, 62 insertions, 24 deletions
diff --git a/arch/x86/include/asm/k8.h b/arch/x86/include/asm/k8.h
index c2d1f3b58e5..c092f720bd6 100644
--- a/arch/x86/include/asm/k8.h
+++ b/arch/x86/include/asm/k8.h
@@ -10,7 +10,9 @@ extern struct pci_dev **k8_northbridges;
extern int num_k8_northbridges;
extern int cache_k8_northbridges(void);
extern void k8_flush_garts(void);
-extern int k8_scan_nodes(unsigned long start, unsigned long end);
+extern int k8_get_nodes(struct bootnode *nodes);
+extern int k8_numa_init(unsigned long start_pfn, unsigned long end_pfn);
+extern int k8_scan_nodes(void);
#ifdef CONFIG_K8_NB
static inline struct pci_dev *node_to_k8_nb_misc(int node)
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index 6473f5ccff8..642fe34b36a 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -49,7 +49,8 @@ extern unsigned long max_pfn_mapped;
extern unsigned long init_memory_mapping(unsigned long start,
unsigned long end);
-extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn);
+extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn,
+ int acpi, int k8);
extern void free_initmem(void);
#endif /* !__ASSEMBLY__ */
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e09f0e2c14b..fda0032c25c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -106,6 +106,7 @@
#include <asm/percpu.h>
#include <asm/topology.h>
#include <asm/apicdef.h>
+#include <asm/k8.h>
#ifdef CONFIG_X86_64
#include <asm/numa_64.h>
#endif
@@ -691,6 +692,9 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
void __init setup_arch(char **cmdline_p)
{
+ int acpi = 0;
+ int k8 = 0;
+
#ifdef CONFIG_X86_32
memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
visws_early_detect();
@@ -937,7 +941,11 @@ void __init setup_arch(char **cmdline_p)
acpi_numa_init();
#endif
- initmem_init(0, max_pfn);
+#ifdef CONFIG_K8_NUMA
+ k8 = !k8_numa_init(0, max_pfn);
+#endif
+
+ initmem_init(0, max_pfn, acpi, k8);
#ifdef CONFIG_ACPI_SLEEP
/*
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 30938c1d8d5..5e32b07b535 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -703,8 +703,8 @@ void __init find_low_pfn_range(void)
}
#ifndef CONFIG_NEED_MULTIPLE_NODES
-void __init initmem_init(unsigned long start_pfn,
- unsigned long end_pfn)
+void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
+ int acpi, int k8)
{
#ifdef CONFIG_HIGHMEM
highstart_pfn = highend_pfn = max_pfn;
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5a4398a6006..c20d30b440d 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -568,7 +568,8 @@ kernel_physical_mapping_init(unsigned long start,
}
#ifndef CONFIG_NUMA
-void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn)
+void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
+ int acpi, int k8)
{
unsigned long bootmap_size, bootmap;
diff --git a/arch/x86/mm/k8topology_64.c b/arch/x86/mm/k8topology_64.c
index a81561acc20..b9e2dbfe55c 100644
--- a/arch/x86/mm/k8topology_64.c
+++ b/arch/x86/mm/k8topology_64.c
@@ -24,6 +24,9 @@
#include <asm/apic.h>
#include <asm/k8.h>
+static struct bootnode __initdata nodes[8];
+static nodemask_t __initdata nodes_parsed = NODE_MASK_NONE;
+
static __init int find_northbridge(void)
{
int num;
@@ -76,12 +79,26 @@ static __init void early_get_boot_cpu_id(void)
early_init_lapic_mapping();
}
-int __init k8_scan_nodes(unsigned long start, unsigned long end)
+int __init k8_get_nodes(struct bootnode *physnodes)
{
- unsigned numnodes, cores, bits, apicid_base;
+ int i;
+ int ret = 0;
+
+ for_each_node_mask(i, nodes_parsed) {
+ physnodes[ret].start = nodes[i].start;
+ physnodes[ret].end = nodes[i].end;
+ ret++;
+ }
+ return ret;
+}
+
+int __init k8_numa_init(unsigned long start_pfn, unsigned long end_pfn)
+{
+ unsigned long start = PFN_PHYS(start_pfn);
+ unsigned long end = PFN_PHYS(end_pfn);
+ unsigned numnodes;
unsigned long prevbase;
- struct bootnode nodes[8];
- int i, j, nb, found = 0;
+ int i, nb, found = 0;
u32 nodeid, reg;
if (!early_pci_allowed())
@@ -98,9 +115,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
if (numnodes <= 1)
return -1;
- pr_info("Number of nodes %d\n", numnodes);
+ pr_info("Number of physical nodes %d\n", numnodes);
- memset(&nodes, 0, sizeof(nodes));
prevbase = 0;
for (i = 0; i < 8; i++) {
unsigned long base, limit;
@@ -130,7 +146,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
nodeid, (base >> 8) & 3, (limit >> 8) & 3);
return -1;
}
- if (node_isset(nodeid, node_possible_map)) {
+ if (node_isset(nodeid, nodes_parsed)) {
pr_info("Node %d already present, skipping\n",
nodeid);
continue;
@@ -141,8 +157,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
limit |= (1<<24)-1;
limit++;
- if (limit > max_pfn << PAGE_SHIFT)
- limit = max_pfn << PAGE_SHIFT;
+ if (limit > end)
+ limit = end;
if (limit <= base)
continue;
@@ -180,12 +196,23 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
prevbase = base;
- node_set(nodeid, node_possible_map);
+ node_set(nodeid, nodes_parsed);
}
if (!found)
return -1;
+ return 0;
+}
+int __init k8_scan_nodes(void)
+{
+ unsigned int bits;
+ unsigned int cores;
+ unsigned int apicid_base;
+ int i;
+
+ BUG_ON(nodes_empty(nodes_parsed));
+ node_possible_map = nodes_parsed;
memnode_shift = compute_hash_shift(nodes, 8, NULL);
if (memnode_shift < 0) {
pr_err("No NUMA node hash function found. Contact maintainer\n");
@@ -204,9 +231,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
apicid_base = boot_cpu_physical_apicid;
}
- for (i = 0; i < 8; i++) {
- if (nodes[i].start == nodes[i].end)
- continue;
+ for_each_node_mask(i, node_possible_map) {
+ int j;
e820_register_active_regions(i,
nodes[i].start >> PAGE_SHIFT,
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index d2530062fe0..b20760ca724 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -347,8 +347,8 @@ static void init_remap_allocator(int nid)
(ulong) node_remap_end_vaddr[nid]);
}
-void __init initmem_init(unsigned long start_pfn,
- unsigned long end_pfn)
+void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
+ int acpi, int k8)
{
int nid;
long kva_target_pfn;
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 459913beac7..dad5f42dd35 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -524,7 +524,8 @@ out:
}
#endif /* CONFIG_NUMA_EMU */
-void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn)
+void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn,
+ int acpi, int k8)
{
int i;
@@ -547,8 +548,7 @@ void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn)
#endif
#ifdef CONFIG_K8_NUMA
- if (!numa_off && !k8_scan_nodes(start_pfn<<PAGE_SHIFT,
- last_pfn<<PAGE_SHIFT))
+ if (!numa_off && k8 && !k8_scan_nodes())
return;
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 09:25:08 +0000