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SubjectRFC [PATCH] x86: make generic arch support NUMAQ
Date

so it could fallback to normal numa.

also decouple genericarch numa with acpi.

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

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3105e40..ef48cb9 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -310,12 +310,12 @@ 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"
@@ -911,9 +911,9 @@ 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
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index d10e727..1b12ac1 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -217,7 +217,7 @@ static char *vidmem;
static int vidport;
static int lines, cols;

-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
void *xquad_portio;
#endif

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 882298d..adbf1ab 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -67,7 +67,15 @@ obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
-obj-$(CONFIG_X86_NUMAQ) += numaq_32.o
+
+ifeq ($(CONFIG_X86_NUMAQ), y)
+obj-y += numaq_32.o
+else
+ifeq ($(CONFIG_X86_GENERICARCH), y)
+obj-$(CONFIG_NUMA) += numaq_32.o
+endif
+endif
+
obj-$(CONFIG_X86_SUMMIT_NUMA) += summit_32.o
obj-y += vsmp_64.o
obj-$(CONFIG_KPROBES) += kprobes.o
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 9dbe7e9..db9efcd 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1715,7 +1715,6 @@ void disable_IO_APIC(void)
* by Matt Domsch <Matt_Domsch@dell.com> 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_mpc(void)
unsigned char old_id;
unsigned long flags;

+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
+ 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_mpc(void)
apic_printk(APIC_VERBOSE, " ok.\n");
}
}
-#else
-static void __init setup_ioapic_ids_from_mpc(void) { }
-#endif

int no_timer_check __initdata;

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index b4a950d..83673bc 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -48,16 +48,74 @@ static int __init mpf_checksum(unsigned char *mp, int len)
return sum & 0xFF;
}

-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
+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("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)
@@ -69,7 +127,7 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
disabled_cpus++;
return;
}
-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
if (found_numaq)
apicid = mpc_apic_id(m, translation_table[mpc_record]);
else
@@ -93,7 +151,7 @@ static void __init MP_bus_info(struct mpc_config_bus *m)
memcpy(str, m->mpc_bustype, 6);
str[6] = 0;

-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
if (found_numaq)
mpc_oem_bus_info(m, str, translation_table[mpc_record]);
#else
@@ -115,7 +173,7 @@ static void __init MP_bus_info(struct mpc_config_bus *m)
mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
#endif
} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
if (found_numaq)
mpc_oem_pci_bus(m, translation_table[mpc_record]);
#endif
@@ -258,7 +316,7 @@ static void __init MP_lintsrc_info(struct mpc_config_lintsrc *m)
m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint);
}

-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
static void __init MP_translation_info(struct mpc_config_translation *m)
{
printk(KERN_INFO
@@ -333,7 +391,7 @@ static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
smp_read_mpc_oem((struct mp_config_oemtable *)mpc->mpc_oemptr,
mpc->mpc_oemsize);
}
-#endif /* CONFIG_X86_NUMAQ */
+#endif /* CONFIG_X86_NUMAQ || CONFIG_X86_GENERICARCH */

/*
* Read/parse the MPC
@@ -401,7 +459,7 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
/*
* Now process the configuration blocks.
*/
-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
mpc_record = 0;
#endif
while (count < mpc->mpc_length) {
@@ -469,7 +527,7 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
count = mpc->mpc_length;
break;
}
-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
++mpc_record;
#endif
}
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 56f5d07..44ab680 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -94,7 +94,6 @@ static inline unsigned int get_timer_irqs(int cpu)
#endif
}

-#ifdef CONFIG_X86_64
/* Run after command line and cpu_init init, but before all other checks */
void nmi_watchdog_default(void)
{
@@ -102,7 +101,6 @@ void nmi_watchdog_default(void)
return;
nmi_watchdog = NMI_NONE;
}
-#endif

#ifdef CONFIG_SMP
/*
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 66c43c2..74e81bf 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/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
diff --git a/arch/x86/mach-generic/Makefile b/arch/x86/mach-generic/Makefile
index 19d6d40..dc3a205 100644
--- a/arch/x86/mach-generic/Makefile
+++ b/arch/x86/mach-generic/Makefile
@@ -5,4 +5,5 @@
EXTRA_CFLAGS := -Iarch/x86/kernel

obj-y := probe.o summit.o bigsmp.o es7000.o default.o
+obj-$(CONFIG_NUMA) += numaq.o
obj-y += ../../x86/mach-es7000/
diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c
index c5ae751..bd1c195 100644
--- a/arch/x86/mach-generic/probe.c
+++ b/arch/x86/mach-generic/probe.c
@@ -16,6 +16,9 @@
#include <asm/apicdef.h>
#include <asm/genapic.h>

+#ifdef CONFIG_NUMA
+extern struct genapic apic_numaq;
+#endif
extern struct genapic apic_summit;
extern struct genapic apic_bigsmp;
extern struct genapic apic_es7000;
@@ -24,6 +27,9 @@ extern struct genapic apic_default;
struct genapic *genapic = &apic_default;

static struct genapic *apic_probe[] __initdata = {
+#ifdef CONFIG_NUMA
+ &apic_numaq,
+#endif
&apic_summit,
&apic_bigsmp,
&apic_es7000,
diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32
index 89ec35d..88d6fcc 100644
--- a/arch/x86/pci/Makefile_32
+++ b/arch/x86/pci/Makefile_32
@@ -16,7 +16,13 @@ pci-y += legacy.o irq.o
# Careful: VISWS and NUMAQ 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
+
+ifeq ($(CONFIG_X86_NUMAQ), y)
+pci-y := numa.o irq.o
+endif
+ifeq ($(CONFIG_X86_GENERICARCH), y)
+pci-y += numa.o
+endif

# Necessary for NUMAQ as well
pci-$(CONFIG_NUMA) += mp_bus_to_node.o
diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c
index d9afbae..a4ff536 100644
--- a/arch/x86/pci/numa.c
+++ b/arch/x86/pci/numa.c
@@ -11,38 +11,18 @@
#define XQUAD_PORTIO_BASE 0xfe400000
#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */

-int mp_bus_id_to_node[MAX_MP_BUSSES];
+extern 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];
+extern 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];
+extern 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
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
EXPORT_SYMBOL(xquad_portio);
#endif

diff --git a/include/asm-x86/mach-generic/mach_apic.h b/include/asm-x86/mach-generic/mach_apic.h
index 6eff343..4a7c1af 100644
--- a/include/asm-x86/mach-generic/mach_apic.h
+++ b/include/asm-x86/mach-generic/mach_apic.h
@@ -27,6 +27,7 @@
#define enable_apic_mode (genapic->enable_apic_mode)
#define phys_pkg_id (genapic->phys_pkg_id)

+extern int found_numaq;
extern void generic_bigsmp_probe(void);

#endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-x86/mach-generic/mach_mpparse.h b/include/asm-x86/mach-generic/mach_mpparse.h
index 0d0b5ba..1f2d4cf 100644
--- a/include/asm-x86/mach-generic/mach_mpparse.h
+++ b/include/asm-x86/mach-generic/mach_mpparse.h
@@ -1,7 +1,6 @@
#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);

#endif
diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h
index 75a56e5..d802465 100644
--- a/include/asm-x86/mach-numaq/mach_apic.h
+++ b/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(int mps_cpu)
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_cpu_present(int logical_apicid)
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)
diff --git a/include/asm-x86/mach-numaq/mach_mpparse.h b/include/asm-x86/mach-numaq/mach_mpparse.h
index 459b124..e0bab65 100644
--- a/include/asm-x86/mach-numaq/mach_mpparse.h
+++ b/include/asm-x86/mach-numaq/mach_mpparse.h
@@ -1,11 +1,6 @@
#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)
{
diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h
index ab00128..9c56ba9 100644
--- a/include/asm-x86/mmzone_32.h
+++ b/include/asm-x86/mmzone_32.h
@@ -12,9 +12,10 @@
extern struct pglist_data *node_data[];
#define NODE_DATA(nid) (node_data[nid])

-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
#include <asm/numaq.h>
-#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */
+#endif
+#if defined(CONFIG_ACPI_SRAT)/* summit or generic arch */
#include <asm/srat.h>
#endif

@@ -26,10 +27,12 @@ extern int get_memcfg_numa_flat(void);
*/
static inline void get_memcfg_numa(void)
{
-#ifdef CONFIG_X86_NUMAQ
+
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)
if (get_memcfg_numaq())
return;
-#elif defined(CONFIG_ACPI_SRAT)
+#endif
+#if defined(CONFIG_ACPI_SRAT)
if (get_memcfg_from_srat())
return;
#endif
@@ -42,7 +45,6 @@ extern int early_pfn_to_nid(unsigned long pfn);
#else /* !CONFIG_NUMA */

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

#endif /* CONFIG_NUMA */

@@ -83,9 +85,6 @@ static inline int pfn_to_nid(unsigned long pfn)
__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 +93,6 @@ static inline int pfn_valid(int pfn)
return (pfn < node_end_pfn(nid));
return 0;
}
-#endif /* CONFIG_X86_NUMAQ */

#endif /* CONFIG_DISCONTIGMEM */

diff --git a/include/asm-x86/numaq.h b/include/asm-x86/numaq.h
index 739d164..76e0b13 100644
--- a/include/asm-x86/numaq.h
+++ b/include/asm-x86/numaq.h
@@ -26,7 +26,7 @@
#ifndef NUMAQ_H
#define NUMAQ_H

-#ifdef CONFIG_X86_NUMAQ
+#if defined(CONFIG_X86_NUMAQ) || defined(CONFIG_X86_GENERICARCH)

extern int found_numaq;
extern int get_memcfg_numaq(void);
@@ -157,10 +157,6 @@ struct sys_cfg_data {
struct eachquadmem eq[MAX_NUMNODES]; /* indexed by quad id */
};

-static inline unsigned long *get_zholes_size(int nid)
-{
- return NULL;
-}
-#endif /* CONFIG_X86_NUMAQ */
+#endif /* CONFIG_X86_NUMAQ || CONFIG_X86_GENERICARCH */
#endif /* NUMAQ_H */

diff --git a/include/asm-x86/srat.h b/include/asm-x86/srat.h
index f4bba13..ad1f502 100644
--- a/include/asm-x86/srat.h
+++ b/include/asm-x86/srat.h
@@ -32,6 +32,5 @@
#endif

extern int get_memcfg_from_srat(void);
-extern unsigned long *get_zholes_size(int);

#endif /* _ASM_SRAT_H_ */
--- /dev/null 2007-09-21 12:12:45.000000000 -0700
+++ b/arch/x86/mach-generic/numaq.c 2008-06-05 00:11:51.000000000 -0700
@@ -0,0 +1,35 @@
+/*
+ * APIC driver for the IBM NUMAQ chipset.
+ */
+#define APIC_DEFINITION 1
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <asm/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/smp.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)
+{
+ return 0;
+}
+
+static int probe_numaq(void)
+{
+ /* already know from get_memcfg_numaq() */
+ return found_numaq;
+}
+
+struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);

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