[PATCH] x86: make generic arch support NUMAQ v2

From: Yinghai Lu
Date: Thu Jun 05 2008 - 20:39:58 EST


so it could fallback to normal numa.

NUMAQ depends on GENERICARCH

also decouple genericarch numa with acpi.

Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx>

Index: linux-2.6/arch/x86/Kconfig
===================================================================
--- linux-2.6.orig/arch/x86/Kconfig
+++ linux-2.6/arch/x86/Kconfig
@@ -264,17 +264,6 @@ config X86_VOYAGER
If you do not specifically know you have a Voyager based machine,
say N here, otherwise the kernel you build will not be bootable.

-config X86_NUMAQ
- bool "NUMAQ (IBM/Sequent)"
- depends on SMP && X86_32 && PCI
- select NUMA
- help
- This option is used for getting Linux to run on a (IBM/Sequent) NUMA
- multiquad box. This changes the way that processors are bootstrapped,
- and uses Clustered Logical APIC addressing mode instead of Flat Logical.
- You will need a new lynxer.elf file to flash your firmware with - send
- email to <Martin.Bligh@xxxxxxxxxx>.
-
config X86_SUMMIT
bool "Summit/EXA (IBM x440)"
depends on X86_32 && SMP
@@ -307,12 +296,12 @@ config X86_VISWS
and vice versa. See <file:Documentation/sgi-visws.txt> for details.

config X86_GENERICARCH
- bool "Generic architecture (Summit, bigsmp, ES7000, default)"
+ bool "Generic architecture (NUMAQ, Summit, bigsmp, ES7000, default)"
depends on X86_32
help
- This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
- It is intended for a generic binary kernel.
- If you want a NUMA kernel, select ACPI. We need SRAT for NUMA.
+ This option compiles in the NUMAQ, Summit, bigsmp, ES7000, default
+ subarchitectures. It is intended for a generic binary kernel.
+ You need enable NUMA, otherwise NUMAQ is skipped.

config X86_ES7000
bool "Support for Unisys ES7000 IA32 series"
@@ -348,6 +337,17 @@ config X86_VSMP

endchoice

+config X86_NUMAQ
+ bool "NUMAQ (IBM/Sequent)"
+ depends on SMP && X86_32 && PCI && X86_GENERICARCH
+ select NUMA
+ help
+ This option is used for getting Linux to run on a NUMAQ (IBM/Sequent)
+ NUMA multiquad box. This changes the way that processors are
+ bootstrapped, and uses Clustered Logical APIC addressing mode instead
+ of Flat Logical. You will need a new lynxer.elf file to flash your
+ firmware with - send email to <Martin.Bligh@xxxxxxxxxx>.
+
config SCHED_NO_NO_OMIT_FRAME_POINTER
def_bool y
prompt "Single-depth WCHAN output"
@@ -908,9 +908,9 @@ config X86_PAE
config NUMA
bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
depends on SMP
- depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL)
+ depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || X86_SUMMIT && ACPI) && EXPERIMENTAL)
default n if X86_PC
- default y if (X86_NUMAQ || X86_SUMMIT)
+ default y if (X86_NUMAQ || X86_SUMMIT || X86_GENERICARCH)
help
Enable NUMA (Non Uniform Memory Access) support.
The kernel will try to allocate memory used by a CPU on the
Index: linux-2.6/arch/x86/kernel/io_apic_32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/io_apic_32.c
+++ linux-2.6/arch/x86/kernel/io_apic_32.c
@@ -1715,7 +1715,6 @@ void disable_IO_APIC(void)
* by Matt Domsch <Matt_Domsch@xxxxxxxx> Tue Dec 21 12:25:05 CST 1999
*/

-#ifndef CONFIG_X86_NUMAQ
static void __init setup_ioapic_ids_from_mpc(void)
{
union IO_APIC_reg_00 reg_00;
@@ -1725,6 +1724,11 @@ static void __init setup_ioapic_ids_from
unsigned char old_id;
unsigned long flags;

+#ifdef CONFIG_X86_NUMAQ
+ if (found_numaq)
+ return;
+#endif
+
/*
* Don't check I/O APIC IDs for xAPIC systems. They have
* no meaning without the serial APIC bus.
@@ -1821,9 +1825,6 @@ static void __init setup_ioapic_ids_from
apic_printk(APIC_VERBOSE, " ok.\n");
}
}
-#else
-static void __init setup_ioapic_ids_from_mpc(void) { }
-#endif

int no_timer_check __initdata;

Index: linux-2.6/arch/x86/kernel/mpparse.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/mpparse.c
+++ linux-2.6/arch/x86/kernel/mpparse.c
@@ -49,15 +49,73 @@ static int __init mpf_checksum(unsigned
}

#ifdef CONFIG_X86_NUMAQ
+int found_numaq;
/*
* Have to match translation table entries to main table entries by counter
* hence the mpc_record variable .... can't see a less disgusting way of
* doing this ....
*/
+struct mpc_config_translation {
+ unsigned char mpc_type;
+ unsigned char trans_len;
+ unsigned char trans_type;
+ unsigned char trans_quad;
+ unsigned char trans_global;
+ unsigned char trans_local;
+ unsigned short trans_reserved;
+};
+

static int mpc_record;
static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY]
__cpuinitdata;
+
+static inline int generate_logical_apicid(int quad, int phys_apicid)
+{
+ return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1);
+}
+
+
+static inline int mpc_apic_id(struct mpc_config_processor *m,
+ struct mpc_config_translation *translation_record)
+{
+ int quad = translation_record->trans_quad;
+ int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid);
+
+ printk(KERN_DEBUG "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
+ m->mpc_apicid,
+ (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
+ (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
+ m->mpc_apicver, quad, logical_apicid);
+ return logical_apicid;
+}
+
+int mp_bus_id_to_node[MAX_MP_BUSSES];
+
+int mp_bus_id_to_local[MAX_MP_BUSSES];
+
+static void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
+ struct mpc_config_translation *translation)
+{
+ int quad = translation->trans_quad;
+ int local = translation->trans_local;
+
+ mp_bus_id_to_node[m->mpc_busid] = quad;
+ mp_bus_id_to_local[m->mpc_busid] = local;
+ printk(KERN_INFO "Bus #%d is %s (node %d)\n",
+ m->mpc_busid, name, quad);
+}
+
+int quad_local_to_mp_bus_id [NR_CPUS/4][4];
+static void mpc_oem_pci_bus(struct mpc_config_bus *m,
+ struct mpc_config_translation *translation)
+{
+ int quad = translation->trans_quad;
+ int local = translation->trans_local;
+
+ quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
+}
+
#endif

static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
@@ -84,6 +142,9 @@ static void __cpuinit MP_processor_info(

printk(KERN_INFO "Processor #%d%s\n", m->mpc_apicid, bootup_cpu);
generic_processor_info(apicid, m->mpc_apicver);
+#ifdef CONFIG_X86_GENERICARCH
+ generic_bigsmp_probe();
+#endif
}

#ifdef CONFIG_X86_IO_APIC
@@ -321,11 +382,11 @@ static void __init smp_read_mpc_oem(stru
}
}

-static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
+void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
{
if (strncmp(oem, "IBM NUMA", 8))
- printk("Warning! May not be a NUMA-Q system!\n");
+ printk("Warning! Not a NUMA-Q system!\n");
else
found_numaq = 1;

@@ -388,7 +449,16 @@ static int __init smp_read_mpc(struct mp
return 0;

#ifdef CONFIG_X86_32
- mps_oem_check(mpc, oem, str);
+ /*
+ * need to make sure summit and es7000's mps_oem_check is safe to be
+ * called early via genericarch 's mps_oem_check
+ */
+ if (early) {
+#ifdef CONFIG_X86_NUMAQ
+ numaq_mps_oem_check(mpc, oem, str);
+#endif
+ } else
+ mps_oem_check(mpc, oem, str);
#endif

/* save the local APIC address, it might be non-default */
Index: linux-2.6/arch/x86/kernel/numaq_32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/numaq_32.c
+++ linux-2.6/arch/x86/kernel/numaq_32.c
@@ -36,8 +36,6 @@

#define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))

-int found_numaq;
-
/*
* Function: smp_dump_qct()
*
@@ -105,13 +103,3 @@ static int __init numaq_tsc_disable(void
}
arch_initcall(numaq_tsc_disable);

-#ifdef CONFIG_ACPI
-/*
- * Dummy implementation:
- */
-struct pci_bus * __devinit
-pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum)
-{
- return NULL;
-}
-#endif
Index: linux-2.6/arch/x86/mach-generic/Makefile
===================================================================
--- linux-2.6.orig/arch/x86/mach-generic/Makefile
+++ linux-2.6/arch/x86/mach-generic/Makefile
@@ -2,7 +2,8 @@
# Makefile for the generic architecture
#

-EXTRA_CFLAGS := -Iarch/x86/kernel
+EXTRA_CFLAGS := -Iarch/x86/kernel

-obj-y := probe.o summit.o bigsmp.o es7000.o default.o
-obj-y += ../../x86/mach-es7000/
+obj-y := probe.o summit.o bigsmp.o es7000.o default.o
+obj-$(CONFIG_X86_NUMAQ) += numaq.o
+obj-y += ../../x86/mach-es7000/
Index: linux-2.6/arch/x86/mach-generic/probe.c
===================================================================
--- linux-2.6.orig/arch/x86/mach-generic/probe.c
+++ linux-2.6/arch/x86/mach-generic/probe.c
@@ -16,6 +16,7 @@
#include <asm/apicdef.h>
#include <asm/genapic.h>

+extern struct genapic apic_numaq;
extern struct genapic apic_summit;
extern struct genapic apic_bigsmp;
extern struct genapic apic_es7000;
@@ -24,6 +25,9 @@ extern struct genapic apic_default;
struct genapic *genapic = &apic_default;

static struct genapic *apic_probe[] __initdata = {
+#ifdef CONFIG_X86_NUMAQ
+ &apic_numaq,
+#endif
&apic_summit,
&apic_bigsmp,
&apic_es7000,
@@ -88,7 +92,8 @@ void __init generic_apic_probe(void)

/* These functions can switch the APIC even after the initial ->probe() */

-int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid)
+int __init mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid)
{
int i;
for (i = 0; apic_probe[i]; ++i) {
Index: linux-2.6/arch/x86/pci/Makefile_32
===================================================================
--- linux-2.6.orig/arch/x86/pci/Makefile_32
+++ linux-2.6/arch/x86/pci/Makefile_32
@@ -13,10 +13,11 @@ pci-y := fixup.o
pci-$(CONFIG_ACPI) += acpi.o
pci-y += legacy.o irq.o

-# Careful: VISWS and NUMAQ overrule the pci-y above. The colons are
+# Careful: VISWS overrule the pci-y above. The colons are
# therefor correct. This needs a proper fix by distangling the code.
pci-$(CONFIG_X86_VISWS) := visws.o fixup.o
-pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o
+
+pci-$(CONFIG_X86_NUMAQ) += numa.o

# Necessary for NUMAQ as well
pci-$(CONFIG_NUMA) += mp_bus_to_node.o
Index: linux-2.6/arch/x86/pci/numa.c
===================================================================
--- linux-2.6.orig/arch/x86/pci/numa.c
+++ linux-2.6/arch/x86/pci/numa.c
@@ -6,45 +6,21 @@
#include <linux/init.h>
#include <linux/nodemask.h>
#include <mach_apic.h>
+#include <asm/mpspec.h>
#include "pci.h"

#define XQUAD_PORTIO_BASE 0xfe400000
#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */

-int mp_bus_id_to_node[MAX_MP_BUSSES];
#define BUS2QUAD(global) (mp_bus_id_to_node[global])

-int mp_bus_id_to_local[MAX_MP_BUSSES];
#define BUS2LOCAL(global) (mp_bus_id_to_local[global])

-void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
- struct mpc_config_translation *translation)
-{
- int quad = translation->trans_quad;
- int local = translation->trans_local;
-
- mp_bus_id_to_node[m->mpc_busid] = quad;
- mp_bus_id_to_local[m->mpc_busid] = local;
- printk(KERN_INFO "Bus #%d is %s (node %d)\n",
- m->mpc_busid, name, quad);
-}
-
-int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
-void mpc_oem_pci_bus(struct mpc_config_bus *m,
- struct mpc_config_translation *translation)
-{
- int quad = translation->trans_quad;
- int local = translation->trans_local;
-
- quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
-}

/* Where the IO area was mapped on multiquad, always 0 otherwise */
void *xquad_portio;
-#ifdef CONFIG_X86_NUMAQ
EXPORT_SYMBOL(xquad_portio);
-#endif

#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)

Index: linux-2.6/include/asm-x86/mach-generic/mach_mpparse.h
===================================================================
--- linux-2.6.orig/include/asm-x86/mach-generic/mach_mpparse.h
+++ linux-2.6/include/asm-x86/mach-generic/mach_mpparse.h
@@ -1,7 +1,10 @@
#ifndef _MACH_MPPARSE_H
#define _MACH_MPPARSE_H 1

-int mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid);
-int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
+
+extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid);
+
+extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);

#endif
Index: linux-2.6/include/asm-x86/mach-numaq/mach_apic.h
===================================================================
--- linux-2.6.orig/include/asm-x86/mach-numaq/mach_apic.h
+++ linux-2.6/include/asm-x86/mach-numaq/mach_apic.h
@@ -20,8 +20,14 @@ static inline cpumask_t target_cpus(void
#define INT_DELIVERY_MODE dest_LowestPrio
#define INT_DEST_MODE 0 /* physical delivery on LOCAL quad */

-#define check_apicid_used(bitmap, apicid) physid_isset(apicid, bitmap)
-#define check_apicid_present(bit) physid_isset(bit, phys_cpu_present_map)
+static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
+{
+ return physid_isset(apicid, bitmap);
+}
+static inline unsigned long check_apicid_present(int bit)
+{
+ return physid_isset(bit, phys_cpu_present_map);
+}
#define apicid_cluster(apicid) (apicid & 0xF0)

static inline int apic_id_registered(void)
@@ -77,11 +83,6 @@ static inline int cpu_present_to_apicid(
return BAD_APICID;
}

-static inline int generate_logical_apicid(int quad, int phys_apicid)
-{
- return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1);
-}
-
static inline int apicid_to_node(int logical_apicid)
{
return logical_apicid >> 4;
@@ -95,30 +96,6 @@ static inline physid_mask_t apicid_to_cp
return physid_mask_of_physid(cpu + 4*node);
}

-struct mpc_config_translation {
- unsigned char mpc_type;
- unsigned char trans_len;
- unsigned char trans_type;
- unsigned char trans_quad;
- unsigned char trans_global;
- unsigned char trans_local;
- unsigned short trans_reserved;
-};
-
-static inline int mpc_apic_id(struct mpc_config_processor *m,
- struct mpc_config_translation *translation_record)
-{
- int quad = translation_record->trans_quad;
- int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid);
-
- printk("Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
- m->mpc_apicid,
- (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
- (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
- m->mpc_apicver, quad, logical_apicid);
- return logical_apicid;
-}
-
extern void *xquad_portio;

static inline void setup_portio_remap(void)
Index: linux-2.6/include/asm-x86/mach-numaq/mach_mpparse.h
===================================================================
--- linux-2.6.orig/include/asm-x86/mach-numaq/mach_mpparse.h
+++ linux-2.6/include/asm-x86/mach-numaq/mach_mpparse.h
@@ -1,14 +1,7 @@
#ifndef __ASM_MACH_MPPARSE_H
#define __ASM_MACH_MPPARSE_H

-extern void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
- struct mpc_config_translation *translation);
-extern void mpc_oem_pci_bus(struct mpc_config_bus *m,
- struct mpc_config_translation *translation);
-
-/* Hook from generic ACPI tables.c */
-static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
-}
+extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid);

#endif /* __ASM_MACH_MPPARSE_H */
Index: linux-2.6/include/asm-x86/mmzone_32.h
===================================================================
--- linux-2.6.orig/include/asm-x86/mmzone_32.h
+++ linux-2.6/include/asm-x86/mmzone_32.h
@@ -12,11 +12,9 @@
extern struct pglist_data *node_data[];
#define NODE_DATA(nid) (node_data[nid])

-#ifdef CONFIG_X86_NUMAQ
- #include <asm/numaq.h>
-#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */
- #include <asm/srat.h>
-#endif
+#include <asm/numaq.h>
+/* summit or generic arch */
+#include <asm/srat.h>

extern int get_memcfg_numa_flat(void);
/*
@@ -26,14 +24,11 @@ extern int get_memcfg_numa_flat(void);
*/
static inline void get_memcfg_numa(void)
{
-#ifdef CONFIG_X86_NUMAQ
+
if (get_memcfg_numaq())
return;
-#elif defined(CONFIG_ACPI_SRAT)
if (get_memcfg_from_srat())
return;
-#endif
-
get_memcfg_numa_flat();
}

@@ -42,7 +37,6 @@ extern int early_pfn_to_nid(unsigned lon
#else /* !CONFIG_NUMA */

#define get_memcfg_numa get_memcfg_numa_flat
-#define get_zholes_size(n) (0)

#endif /* CONFIG_NUMA */

@@ -83,9 +77,6 @@ static inline int pfn_to_nid(unsigned lo
__pgdat->node_start_pfn + __pgdat->node_spanned_pages; \
})

-#ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */
-#define pfn_valid(pfn) ((pfn) < num_physpages)
-#else
static inline int pfn_valid(int pfn)
{
int nid = pfn_to_nid(pfn);
@@ -94,7 +85,6 @@ static inline int pfn_valid(int pfn)
return (pfn < node_end_pfn(nid));
return 0;
}
-#endif /* CONFIG_X86_NUMAQ */

#endif /* CONFIG_DISCONTIGMEM */

Index: linux-2.6/include/asm-x86/numaq.h
===================================================================
--- linux-2.6.orig/include/asm-x86/numaq.h
+++ linux-2.6/include/asm-x86/numaq.h
@@ -157,9 +157,10 @@ struct sys_cfg_data {
struct eachquadmem eq[MAX_NUMNODES]; /* indexed by quad id */
};

-static inline unsigned long *get_zholes_size(int nid)
+#else
+static inline int get_memcfg_numaq(void)
{
- return NULL;
+ return 0;
}
#endif /* CONFIG_X86_NUMAQ */
#endif /* NUMAQ_H */
Index: linux-2.6/include/asm-x86/srat.h
===================================================================
--- linux-2.6.orig/include/asm-x86/srat.h
+++ linux-2.6/include/asm-x86/srat.h
@@ -27,11 +27,13 @@
#ifndef _ASM_SRAT_H_
#define _ASM_SRAT_H_

-#ifndef CONFIG_ACPI_SRAT
-#error CONFIG_ACPI_SRAT not defined, and srat.h header has been included
-#endif
-
+#ifdef CONFIG_ACPI_SRAT
extern int get_memcfg_from_srat(void);
-extern unsigned long *get_zholes_size(int);
+#else
+static inline int get_memcfg_from_srat(void)
+{
+ return 0;
+}
+#endif

#endif /* _ASM_SRAT_H_ */
Index: linux-2.6/arch/x86/mach-generic/numaq.c
===================================================================
--- /dev/null
+++ linux-2.6/arch/x86/mach-generic/numaq.c
@@ -0,0 +1,41 @@
+/*
+ * APIC driver for the IBM NUMAQ chipset.
+ */
+#define APIC_DEFINITION 1
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <linux/smp.h>
+#include <asm/mpspec.h>
+#include <asm/genapic.h>
+#include <asm/fixmap.h>
+#include <asm/apicdef.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <asm/mach-numaq/mach_apic.h>
+#include <asm/mach-numaq/mach_apicdef.h>
+#include <asm/mach-numaq/mach_ipi.h>
+#include <asm/mach-numaq/mach_mpparse.h>
+#include <asm/mach-numaq/mach_wakecpu.h>
+#include <asm/numaq.h>
+
+static int mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid)
+{
+ numaq_mps_oem_check(mpc, oem, productid);
+ return found_numaq;
+}
+
+static int probe_numaq(void)
+{
+ /* already know from get_memcfg_numaq() */
+ return found_numaq;
+}
+
+/* Hook from generic ACPI tables.c */
+static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+ return 0;
+}
+
+struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);
Index: linux-2.6/arch/x86/kernel/apic_32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/apic_32.c
+++ linux-2.6/arch/x86/kernel/apic_32.c
@@ -1528,7 +1528,7 @@ void __cpuinit generic_processor_info(in
* if (CPU_HOTPLUG_ENABLED || num_processors > 8)
* - Ashok Raj <ashok.raj@xxxxxxxxx>
*/
- if (num_processors > 8) {
+ if (apicid > 8) {
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_INTEL:
if (!APIC_XAPIC(version)) {
Index: linux-2.6/arch/x86/mach-generic/bigsmp.c
===================================================================
--- linux-2.6.orig/arch/x86/mach-generic/bigsmp.c
+++ linux-2.6/arch/x86/mach-generic/bigsmp.c
@@ -48,7 +48,7 @@ static const struct dmi_system_id bigsmp
static int probe_bigsmp(void)
{
if (def_to_bigsmp)
- dmi_bigsmp = 1;
+ dmi_bigsmp = 1;
else
dmi_check_system(bigsmp_dmi_table);
return dmi_bigsmp;
Index: linux-2.6/drivers/acpi/Kconfig
===================================================================
--- linux-2.6.orig/drivers/acpi/Kconfig
+++ linux-2.6/drivers/acpi/Kconfig
@@ -4,7 +4,6 @@

menuconfig ACPI
bool "ACPI (Advanced Configuration and Power Interface) Support"
- depends on !X86_NUMAQ
depends on !X86_VISWS
depends on !IA64_HP_SIM
depends on IA64 || X86
Index: linux-2.6/include/asm-x86/mpspec.h
===================================================================
--- linux-2.6.orig/include/asm-x86/mpspec.h
+++ linux-2.6/include/asm-x86/mpspec.h
@@ -13,6 +13,12 @@ extern int apic_version[MAX_APICS];
extern u8 apicid_2_node[];
extern int pic_mode;

+#ifdef CONFIG_X86_NUMAQ
+extern int mp_bus_id_to_node[MAX_MP_BUSSES];
+extern int mp_bus_id_to_local[MAX_MP_BUSSES];
+extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
+#endif
+
#define MAX_APICID 256

#else
Index: linux-2.6/arch/x86/kernel/summit_32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/summit_32.c
+++ linux-2.6/arch/x86/kernel/summit_32.c
@@ -36,7 +36,9 @@ static struct rio_table_hdr *rio_table_h
static struct scal_detail *scal_devs[MAX_NUMNODES] __initdata;
static struct rio_detail *rio_devs[MAX_NUMNODES*4] __initdata;

+#ifndef CONFIG_X86_NUMAQ
static int mp_bus_id_to_node[MAX_MP_BUSSES] __initdata;
+#endif

static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus)
{
--
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