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Thread: import linux-2.6.25-rc4 acpi related files.




import linux-2.6.25-rc4 acpi related files.
user name
2008-06-12 04:05:18
# HG changeset patch
# User Isaku Yamahata <yamahatavalinux.co.jp>
# Date 1213166381 -32400
# Node ID 80bec8dd5ae525d8e8df7e27c85e7c4afacd5573
# Parent  91d1e9603110f50e46f39cc24dbac8340b0f4b76
[IA64] import linux-2.6.25-rc4 acpi related files.

import acpi.c, acpi_numa.c and acpi.h
Signed-off-by: Isaku Yamahata <yamahatavalinux.co.jp>

diff --git a/xen/arch/ia64/linux-xen/README.origin
b/xen/arch/ia64/linux-xen/README.origin
--- a/xen/arch/ia64/linux-xen/README.origin
+++ b/xen/arch/ia64/linux-xen/README.origin
 -44,3
+44,7 
 # The files below are from Linux-2.6.21
 efi.c			-> linux/arch/ia64/kernel/efi.c
 pal.S			-> linux/arch/ia64/kernel/pal.S
+
+# The files below are from Linux-2.6.26-rc5
+acpi.c			-> linux/arch/ia64/kernel/acpi.c
+acpi_numa.c		-> linux/drivers/acpi/numa.c
 No newline at end of file
diff --git a/xen/arch/ia64/linux-xen/acpi.c
b/xen/arch/ia64/linux-xen/acpi.c
new file mode 100644
--- /dev/null
+++ b/xen/arch/ia64/linux-xen/acpi.c
 -0,0
+1,1022 
+/*
+ *  acpi.c - Architecture-Specific Low-Level ACPI Support
+ *
+ *  Copyright (C) 1999 VA Linux Systems
+ *  Copyright (C) 1999,2000 Walt Drummond <drummondvalinux.com>
+ *  Copyright (C) 2000, 2002-2003 Hewlett-Packard Co.
+ *	David Mosberger-Tang <davidmhpl.hp.com>
+ *  Copyright (C) 2000 Intel Corp.
+ *  Copyright (C) 2000,2001 J.I. Lee <jung-ik.leeintel.com>
+ *  Copyright (C) 2001 Paul Diefenbaugh
<paul.s.diefenbaughintel.com>
+ *  Copyright (C) 2001 Jenna Hall <jenna.s.hallintel.com>
+ *  Copyright (C) 2001 Takayoshi Kochi <t-kochibq.jp.nec.com>
+ *  Copyright (C) 2002 Erich Focht <efochtess.nec.de>
+ *  Copyright (C) 2004 Ashok Raj <ashok.rajintel.com>
+ *
+ *
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it
and/or modify
+ *  it under the terms of the GNU General Public License as
published by
+ *  the Free Software Foundation; either version 2 of the
License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be
useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied
warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General
Public License
+ *  along with this program; if not, write to the Free
Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
+ *
+ *
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/irq.h>
+#include <linux/acpi.h>
+#include <linux/efi.h>
+#include <linux/mmzone.h>
+#include <linux/nodemask.h>
+#include <asm/io.h>
+#include <asm/iosapic.h>
+#include <asm/machvec.h>
+#include <asm/page.h>
+#include <asm/system.h>
+#include <asm/numa.h>
+#include <asm/sal.h>
+#include <asm/cyclone.h>
+#include <asm/xen/hypervisor.h>
+
+#define BAD_MADT_ENTRY(entry, end) (                       
                
+		(!entry) || (unsigned long)entry + sizeof(*entry) >
end ||  
+		((struct acpi_subtable_header *)entry)->length <
sizeof(*entry))
+
+#define PREFIX			"ACPI: "
+
+void (*pm_idle) (void);
+EXPORT_SYMBOL(pm_idle);
+void (*pm_power_off) (void);
+EXPORT_SYMBOL(pm_power_off);
+
+unsigned int acpi_cpei_override;
+unsigned int acpi_cpei_phys_cpuid;
+
+unsigned long acpi_wakeup_address = 0;
+
+#ifdef CONFIG_IA64_GENERIC
+static unsigned long __init acpi_find_rsdp(void)
+{
+	unsigned long rsdp_phys = 0;
+
+	if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
+		rsdp_phys = efi.acpi20;
+	else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
+		printk(KERN_WARNING PREFIX
+		       "v1.0/r0.71 tables no longer
supportedn");
+	return rsdp_phys;
+}
+#endif
+
+const char __init *
+acpi_get_sysname(void)
+{
+#ifdef CONFIG_IA64_GENERIC
+	unsigned long rsdp_phys;
+	struct acpi_table_rsdp *rsdp;
+	struct acpi_table_xsdt *xsdt;
+	struct acpi_table_header *hdr;
+
+	rsdp_phys = acpi_find_rsdp();
+	if (!rsdp_phys) {
+		printk(KERN_ERR
+		       "ACPI 2.0 RSDP not found, default to
"dig"n");
+		return "dig";
+	}
+
+	rsdp = (struct acpi_table_rsdp *)__va(rsdp_phys);
+	if (strncmp(rsdp->signature, ACPI_SIG_RSDP,
sizeof(ACPI_SIG_RSDP) - 1)) {
+		printk(KERN_ERR
+		       "ACPI 2.0 RSDP signature incorrect, default
to "dig"n");
+		return "dig";
+	}
+
+	xsdt = (struct acpi_table_xsdt
*)__va(rsdp->xsdt_physical_address);
+	hdr = &xsdt->header;
+	if (strncmp(hdr->signature, ACPI_SIG_XSDT,
sizeof(ACPI_SIG_XSDT) - 1)) {
+		printk(KERN_ERR
+		       "ACPI 2.0 XSDT signature incorrect, default
to "dig"n");
+		return "dig";
+	}
+
+	if (!strcmp(hdr->oem_id, "HP")) {
+		return "hpzx1";
+	} else if (!strcmp(hdr->oem_id, "SGI")) {
+		if (!strcmp(hdr->oem_table_id + 4, "UV"))
+			return "uv";
+		else
+			return "sn2";
+	} else if (is_running_on_xen() &&
!strcmp(hdr->oem_id, "XEN")) {
+		return "xen";
+	}
+
+	return "dig";
+#else
+# if defined (CONFIG_IA64_HP_SIM)
+	return "hpsim";
+# elif defined (CONFIG_IA64_HP_ZX1)
+	return "hpzx1";
+# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
+	return "hpzx1_swiotlb";
+# elif defined (CONFIG_IA64_SGI_SN2)
+	return "sn2";
+# elif defined (CONFIG_IA64_SGI_UV)
+	return "uv";
+# elif defined (CONFIG_IA64_DIG)
+	return "dig";
+# elif defined (CONFIG_IA64_XEN)
+	return "xen";
+# else
+#	error Unknown platform.  Fix acpi.c.
+# endif
+#endif
+}
+
+#ifdef CONFIG_ACPI
+
+#define ACPI_MAX_PLATFORM_INTERRUPTS	256
+
+/* Array to record platform interrupt vectors for generic
interrupt routing. */
+int platform_intr_list[ACPI_MAX_PLATFORM_INTERRUPTS] = {
+	[0 ... ACPI_MAX_PLATFORM_INTERRUPTS - 1] = -1
+};
+
+enum acpi_irq_model_id acpi_irq_model =
ACPI_IRQ_MODEL_IOSAPIC;
+
+/*
+ * Interrupt routing API for device drivers.  Provides
interrupt vector for
+ * a generic platform event.  Currently only CPEI is
implemented.
+ */
+int acpi_request_vector(u32 int_type)
+{
+	int vector = -1;
+
+	if (int_type < ACPI_MAX_PLATFORM_INTERRUPTS) {
+		/* corrected platform error interrupt */
+		vector = platform_intr_list[int_type];
+	} else
+		printk(KERN_ERR
+		       "acpi_request_vector(): invalid interrupt
typen");
+	return vector;
+}
+
+char *__init __acpi_map_table(unsigned long phys_addr,
unsigned long size)
+{
+	return __va(phys_addr);
+}
+
+/*
------------------------------------------------------------
--------------
+                            Boot-time Table Parsing
+  
------------------------------------------------------------
-------------- */
+
+static int total_cpus __initdata;
+static int available_cpus __initdata;
+struct acpi_table_madt *acpi_madt __initdata;
+static u8 has_8259;
+
+static int __init
+acpi_parse_lapic_addr_ovr(struct acpi_subtable_header *
header,
+			  const unsigned long end)
+{
+	struct acpi_madt_local_apic_override *lapic;
+
+	lapic = (struct acpi_madt_local_apic_override *)header;
+
+	if (BAD_MADT_ENTRY(lapic, end))
+		return -EINVAL;
+
+	if (lapic->address) {
+		iounmap(ipi_base_addr);
+		ipi_base_addr = ioremap(lapic->address, 0);
+	}
+	return 0;
+}
+
+static int __init
+acpi_parse_lsapic(struct acpi_subtable_header * header,
const unsigned long end)
+{
+	struct acpi_madt_local_sapic *lsapic;
+
+	lsapic = (struct acpi_madt_local_sapic *)header;
+
+	/*Skip BAD_MADT_ENTRY check, as lsapic size could vary */
+
+	if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
+#ifdef CONFIG_SMP
+		smp_boot_data.cpu_phys_id[available_cpus] =
+		    (lsapic->id << 8) | lsapic->eid;
+#endif
+		++available_cpus;
+	}
+
+	total_cpus++;
+	return 0;
+}
+
+static int __init
+acpi_parse_lapic_nmi(struct acpi_subtable_header * header,
const unsigned long end)
+{
+	struct acpi_madt_local_apic_nmi *lacpi_nmi;
+
+	lacpi_nmi = (struct acpi_madt_local_apic_nmi *)header;
+
+	if (BAD_MADT_ENTRY(lacpi_nmi, end))
+		return -EINVAL;
+
+	/* TBD: Support lapic_nmi entries */
+	return 0;
+}
+
+static int __init
+acpi_parse_iosapic(struct acpi_subtable_header * header,
const unsigned long end)
+{
+	struct acpi_madt_io_sapic *iosapic;
+
+	iosapic = (struct acpi_madt_io_sapic *)header;
+
+	if (BAD_MADT_ENTRY(iosapic, end))
+		return -EINVAL;
+
+	return iosapic_init(iosapic->address,
iosapic->global_irq_base);
+}
+
+static unsigned int __initdata acpi_madt_rev;
+
+static int __init
+acpi_parse_plat_int_src(struct acpi_subtable_header *
header,
+			const unsigned long end)
+{
+	struct acpi_madt_interrupt_source *plintsrc;
+	int vector;
+
+	plintsrc = (struct acpi_madt_interrupt_source *)header;
+
+	if (BAD_MADT_ENTRY(plintsrc, end))
+		return -EINVAL;
+
+	/*
+	 * Get vector assignment for this interrupt, set
attributes,
+	 * and program the IOSAPIC routing table.
+	 */
+	vector =
iosapic_register_platform_intr(plintsrc->type,
+						plintsrc->global_irq,
+						plintsrc->io_sapic_vector,
+						plintsrc->eid,
+						plintsrc->id,
+						((plintsrc->inti_flags &
ACPI_MADT_POLARITY_MASK) ==
+						 ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
+						IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+						((plintsrc->inti_flags &
ACPI_MADT_TRIGGER_MASK) ==
+						 ACPI_MADT_TRIGGER_EDGE) ?
+						IOSAPIC_EDGE : IOSAPIC_LEVEL);
+
+	platform_intr_list[plintsrc->type] = vector;
+	if (acpi_madt_rev > 1) {
+		acpi_cpei_override = plintsrc->flags &
ACPI_MADT_CPEI_OVERRIDE;
+	}
+
+	/*
+	 * Save the physical id, so we can check when its being
removed
+	 */
+	acpi_cpei_phys_cpuid = ((plintsrc->id << 8) |
(plintsrc->eid)) & 0xffff;
+
+	return 0;
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+unsigned int can_cpei_retarget(void)
+{
+	extern int cpe_vector;
+	extern unsigned int force_cpei_retarget;
+
+	/*
+	 * Only if CPEI is supported and the override flag
+	 * is present, otherwise return that its re-targettable
+	 * if we are in polling mode.
+	 */
+	if (cpe_vector > 0) {
+		if (acpi_cpei_override || force_cpei_retarget)
+			return 1;
+		else
+			return 0;
+	}
+	return 1;
+}
+
+unsigned int is_cpu_cpei_target(unsigned int cpu)
+{
+	unsigned int logical_id;
+
+	logical_id = cpu_logical_id(acpi_cpei_phys_cpuid);
+
+	if (logical_id == cpu)
+		return 1;
+	else
+		return 0;
+}
+
+void set_cpei_target_cpu(unsigned int cpu)
+{
+	acpi_cpei_phys_cpuid = cpu_physical_id(cpu);
+}
+#endif
+
+unsigned int get_cpei_target_cpu(void)
+{
+	return acpi_cpei_phys_cpuid;
+}
+
+static int __init
+acpi_parse_int_src_ovr(struct acpi_subtable_header *
header,
+		       const unsigned long end)
+{
+	struct acpi_madt_interrupt_override *p;
+
+	p = (struct acpi_madt_interrupt_override *)header;
+
+	if (BAD_MADT_ENTRY(p, end))
+		return -EINVAL;
+
+	iosapic_override_isa_irq(p->source_irq,
p->global_irq,
+				 ((p->inti_flags & ACPI_MADT_POLARITY_MASK) ==
+				  ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
+				 IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+				 ((p->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
+				 ACPI_MADT_TRIGGER_EDGE) ?
+				 IOSAPIC_EDGE : IOSAPIC_LEVEL);
+	return 0;
+}
+
+static int __init
+acpi_parse_nmi_src(struct acpi_subtable_header * header,
const unsigned long end)
+{
+	struct acpi_madt_nmi_source *nmi_src;
+
+	nmi_src = (struct acpi_madt_nmi_source *)header;
+
+	if (BAD_MADT_ENTRY(nmi_src, end))
+		return -EINVAL;
+
+	/* TBD: Support nimsrc entries */
+	return 0;
+}
+
+static void __init acpi_madt_oem_check(char *oem_id, char
*oem_table_id)
+{
+	if (!strncmp(oem_id, "IBM", 3) &&
(!strncmp(oem_table_id, "SERMOW", 6))) {
+
+		/*
+		 * Unfortunately ITC_DRIFT is not yet part of the
+		 * official SAL spec, so the ITC_DRIFT bit is not
+		 * set by the BIOS on this hardware.
+		 */
+		sal_platform_features |=
IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT;
+
+		cyclone_setup();
+	}
+}
+
+static int __init acpi_parse_madt(struct acpi_table_header
*table)
+{
+	if (!table)
+		return -EINVAL;
+
+	acpi_madt = (struct acpi_table_madt *)table;
+
+	acpi_madt_rev = acpi_madt->header.revision;
+
+	/* remember the value for reference after free_initmem()
*/
+#ifdef CONFIG_ITANIUM
+	has_8259 = 1;		/* Firmware on old Itanium systems is
broken */
+#else
+	has_8259 = acpi_madt->flags &
ACPI_MADT_PCAT_COMPAT;
+#endif
+	iosapic_system_init(has_8259);
+
+	/* Get base address of IPI Message Block */
+
+	if (acpi_madt->address)
+		ipi_base_addr = ioremap(acpi_madt->address, 0);
+
+	printk(KERN_INFO PREFIX "Local APIC address
%pn", ipi_base_addr);
+
+	acpi_madt_oem_check(acpi_madt->header.oem_id,
+			    acpi_madt->header.oem_table_id);
+
+	return 0;
+}
+
+#ifdef CONFIG_ACPI_NUMA
+
+#undef SLIT_DEBUG
+
+#define PXM_FLAG_LEN ((MAX_PXM_DOMAINS + 1)/32)
+
+static int __initdata srat_num_cpus;	/* number of cpus */
+static u32 __devinitdata pxm_flag[PXM_FLAG_LEN];
+#define pxm_bit_set(bit)	(set_bit(bit,(void *)pxm_flag))
+#define pxm_bit_test(bit)	(test_bit(bit,(void *)pxm_flag))
+static struct acpi_table_slit __initdata *slit_table;
+cpumask_t early_cpu_possible_map = CPU_MASK_NONE;
+
+static int get_processor_proximity_domain(struct
acpi_srat_cpu_affinity *pa)
+{
+	int pxm;
+
+	pxm = pa->proximity_domain_lo;
+	if (ia64_platform_is("sn2"))
+		pxm += pa->proximity_domain_hi[0] << 8;
+	return pxm;
+}
+
+static int get_memory_proximity_domain(struct
acpi_srat_mem_affinity *ma)
+{
+	int pxm;
+
+	pxm = ma->proximity_domain;
+	if (!ia64_platform_is("sn2"))
+		pxm &= 0xff;
+
+	return pxm;
+}
+
+/*
+ * ACPI 2.0 SLIT (System Locality Information Table)
+ * http://devresource.hp.com/devresource/Docs/Te
chPapers/IA64/slit.pdf
+ */
+void __init acpi_numa_slit_init(struct acpi_table_slit
*slit)
+{
+	u32 len;
+
+	len = sizeof(struct acpi_table_header) + 8
+	    + slit->locality_count * slit->locality_count;
+	if (slit->header.length != len) {
+		printk(KERN_ERR
+		       "ACPI 2.0 SLIT: size mismatch: %d expected,
%d actualn",
+		       len, slit->header.length);
+		memset(numa_slit, 10, sizeof(numa_slit));
+		return;
+	}
+	slit_table = slit;
+}
+
+void __init
+acpi_numa_processor_affinity_init(struct
acpi_srat_cpu_affinity *pa)
+{
+	int pxm;
+
+	if (!(pa->flags & ACPI_SRAT_CPU_ENABLED))
+		return;
+
+	pxm = get_processor_proximity_domain(pa);
+
+	/* record this node in proximity bitmap */
+	pxm_bit_set(pxm);
+
+	node_cpuid[srat_num_cpus].phys_id =
+	    (pa->apic_id << 8) |
(pa->local_sapic_eid);
+	/* nid should be overridden as logical node id later */
+	node_cpuid[srat_num_cpus].nid = pxm;
+	cpu_set(srat_num_cpus, early_cpu_possible_map);
+	srat_num_cpus++;
+}
+
+void __init
+acpi_numa_memory_affinity_init(struct
acpi_srat_mem_affinity *ma)
+{
+	unsigned long paddr, size;
+	int pxm;
+	struct node_memblk_s *p, *q, *pend;
+
+	pxm = get_memory_proximity_domain(ma);
+
+	/* fill node memory chunk structure */
+	paddr = ma->base_address;
+	size = ma->length;
+
+	/* Ignore disabled entries */
+	if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
+		return;
+
+	/* record this node in proximity bitmap */
+	pxm_bit_set(pxm);
+
+	/* Insertion sort based on base address */
+	pend = &node_memblk[num_node_memblks];
+	for (p = &node_memblk[0]; p < pend; p++) {
+		if (paddr < p->start_paddr)
+			break;
+	}
+	if (p < pend) {
+		for (q = pend - 1; q >= p; q--)
+			*(q + 1) = *q;
+	}
+	p->start_paddr = paddr;
+	p->size = size;
+	p->nid = pxm;
+	num_node_memblks++;
+}
+
+void __init acpi_numa_arch_fixup(void)
+{
+	int i, j, node_from, node_to;
+
+	/* If there's no SRAT, fix the phys_id and mark node 0
online */
+	if (srat_num_cpus == 0) {
+		node_set_online(0);
+		node_cpuid[0].phys_id = hard_smp_processor_id();
+		return;
+	}
+
+	/*
+	 * MCD - This can probably be dropped now.  No need for
pxm ID to node ID
+	 * mapping with sparse node numbering iff MAX_PXM_DOMAINS
<= MAX_NUMNODES.
+	 */
+	nodes_clear(node_online_map);
+	for (i = 0; i < MAX_PXM_DOMAINS; i++) {
+		if (pxm_bit_test(i)) {
+			int nid = acpi_map_pxm_to_node(i);
+			node_set_online(nid);
+		}
+	}
+
+	/* set logical node id in memory chunk structure */
+	for (i = 0; i < num_node_memblks; i++)
+		node_memblk[i].nid = pxm_to_node(node_memblk[i].nid);
+
+	/* assign memory bank numbers for each chunk on each node
*/
+	for_each_online_node(i) {
+		int bank;
+
+		bank = 0;
+		for (j = 0; j < num_node_memblks; j++)
+			if (node_memblk[j].nid == i)
+				node_memblk[j].bank = bank++;
+	}
+
+	/* set logical node id in cpu structure */
+	for_each_possible_early_cpu(i)
+		node_cpuid[i].nid = pxm_to_node(node_cpuid[i].nid);
+
+	printk(KERN_INFO "Number of logical nodes in system =
%dn",
+	       num_online_nodes());
+	printk(KERN_INFO "Number of memory chunks in system =
%dn",
+	       num_node_memblks);
+
+	if (!slit_table)
+		return;
+	memset(numa_slit, -1, sizeof(numa_slit));
+	for (i = 0; i < slit_table->locality_count; i++) {
+		if (!pxm_bit_test(i))
+			continue;
+		node_from = pxm_to_node(i);
+		for (j = 0; j < slit_table->locality_count; j++) {
+			if (!pxm_bit_test(j))
+				continue;
+			node_to = pxm_to_node(j);
+			node_distance(node_from, node_to) =
+			    slit_table->entry[i *
slit_table->locality_count + j];
+		}
+	}
+
+#ifdef SLIT_DEBUG
+	printk("ACPI 2.0 SLIT locality table:n");
+	for_each_online_node(i) {
+		for_each_online_node(j)
+		    printk("%03d ", node_distance(i, j));
+		printk("n");
+	}
+#endif
+}
+#endif				/* CONFIG_ACPI_NUMA */
+
+/*
+ * success: return IRQ number (>=0)
+ * failure: return < 0
+ */
+int acpi_register_gsi(u32 gsi, int triggering, int
polarity)
+{
+	if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
+		return gsi;
+
+	if (has_8259 && gsi < 16)
+		return isa_irq_to_vector(gsi);
+
+	return iosapic_register_intr(gsi,
+				     (polarity ==
+				      ACPI_ACTIVE_HIGH) ? IOSAPIC_POL_HIGH :
+				     IOSAPIC_POL_LOW,
+				     (triggering ==
+				      ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE :
+				     IOSAPIC_LEVEL);
+}
+
+void acpi_unregister_gsi(u32 gsi)
+{
+	if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
+		return;
+
+	if (has_8259 && gsi < 16)
+		return;
+
+	iosapic_unregister_intr(gsi);
+}
+
+static int __init acpi_parse_fadt(struct acpi_table_header
*table)
+{
+	struct acpi_table_header *fadt_header;
+	struct acpi_table_fadt *fadt;
+
+	if (!table)
+		return -EINVAL;
+
+	fadt_header = (struct acpi_table_header *)table;
+	if (fadt_header->revision != 3)
+		return -ENODEV;	/* Only deal with ACPI 2.0 FADT */
+
+	fadt = (struct acpi_table_fadt *)fadt_header;
+
+	acpi_register_gsi(fadt->sci_interrupt,
ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
+	return 0;
+}
+
+int __init acpi_boot_init(void)
+{
+
+	/*
+	 * MADT
+	 * ----
+	 * Parse the Multiple APIC Description Table (MADT), if
exists.
+	 * Note that this table provides platform SMP
configuration
+	 * information -- the successor to MPS tables.
+	 */
+
+	if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {
+		printk(KERN_ERR PREFIX "Can't find MADTn");
+		goto skip_madt;
+	}
+
+	/* Local APIC */
+
+	if (acpi_table_parse_madt
+	    (ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE,
acpi_parse_lapic_addr_ovr, 0) < 0)
+		printk(KERN_ERR PREFIX
+		       "Error parsing LAPIC address override
entryn");
+
+	if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
acpi_parse_lsapic, NR_CPUS)
+	    < 1)
+		printk(KERN_ERR PREFIX
+		       "Error parsing MADT - no LAPIC
entriesn");
+
+	if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI,
acpi_parse_lapic_nmi, 0)
+	    < 0)
+		printk(KERN_ERR PREFIX "Error parsing LAPIC NMI
entryn");
+
+	/* I/O APIC */
+
+	if (acpi_table_parse_madt
+	    (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic,
NR_IOSAPICS) < 1) {
+		if (!ia64_platform_is("sn2"))
+			printk(KERN_ERR PREFIX
+			       "Error parsing MADT - no IOSAPIC
entriesn");
+	}
+
+	/* System-Level Interrupt Routing */
+
+	if (acpi_table_parse_madt
+	    (ACPI_MADT_TYPE_INTERRUPT_SOURCE,
acpi_parse_plat_int_src,
+	     ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
+		printk(KERN_ERR PREFIX
+		       "Error parsing platform interrupt source
entryn");
+
+	if (acpi_table_parse_madt
+	    (ACPI_MADT_TYPE_INTERRUPT_OVERRIDE,
acpi_parse_int_src_ovr, 0) < 0)
+		printk(KERN_ERR PREFIX
+		       "Error parsing interrupt source overrides
entryn");
+
+	if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE,
acpi_parse_nmi_src, 0) < 0)
+		printk(KERN_ERR PREFIX "Error parsing NMI SRC
entryn");
+      skip_madt:
+
+	/*
+	 * FADT says whether a legacy keyboard controller is
present.
+	 * The FADT also contains an SCI_INT line, by which the
system
+	 * gets interrupts such as power and sleep buttons.  If
it's not
+	 * on a Legacy interrupt, it needs to be setup.
+	 */
+	if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt))
+		printk(KERN_ERR PREFIX "Can't find FADTn");
+
+#ifdef CONFIG_SMP
+	if (available_cpus == 0) {
+		printk(KERN_INFO "ACPI: Found 0 CPUS; assuming
1n");
+		printk(KERN_INFO "CPU 0 (0x%04x)",
hard_smp_processor_id());
+		smp_boot_data.cpu_phys_id[available_cpus] =
+		    hard_smp_processor_id();
+		available_cpus = 1;	/* We've got at least one of these,
no? */
+	}
+	smp_boot_data.cpu_count = available_cpus;
+
+	smp_build_cpu_map();
+# ifdef CONFIG_ACPI_NUMA
+	if (srat_num_cpus == 0) {
+		int cpu, i = 1;
+		for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++)
+			if (smp_boot_data.cpu_phys_id[cpu] !=
+			    hard_smp_processor_id())
+				node_cpuid[i++].phys_id =
+				    smp_boot_data.cpu_phys_id[cpu];
+	}
+# endif
+#endif
+#ifdef CONFIG_ACPI_NUMA
+	build_cpu_to_node_map();
+#endif
+	/* Make boot-up look pretty */
+	printk(KERN_INFO "%d CPUs available, %d CPUs
totaln", available_cpus,
+	       total_cpus);
+	return 0;
+}
+
+int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
+{
+	int tmp;
+
+	if (has_8259 && gsi < 16)
+		*irq = isa_irq_to_vector(gsi);
+	else {
+		tmp = gsi_to_irq(gsi);
+		if (tmp == -1)
+			return -1;
+		*irq = tmp;
+	}
+	return 0;
+}
+
+/*
+ *  ACPI based hotplug CPU support
+ */
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+static
+int acpi_map_cpu2node(acpi_handle handle, int cpu, long
physid)
+{
+#ifdef CONFIG_ACPI_NUMA
+	int pxm_id;
+	int nid;
+
+	pxm_id = acpi_get_pxm(handle);
+	/*
+	 * We don't have cpu-only-node hotadd. But if the system
equips
+	 * SRAT table, pxm is already found and node is ready.
+  	 * So, just pxm_to_nid(pxm) is OK.
+	 * This code here is for the system which doesn't have
full SRAT
+  	 * table for possible cpus.
+	 */
+	nid = acpi_map_pxm_to_node(pxm_id);
+	node_cpuid[cpu].phys_id = physid;
+	node_cpuid[cpu].nid = nid;
+#endif
+	return (0);
+}
+
+int additional_cpus __initdata = -1;
+
+static __init int setup_additional_cpus(char *s)
+{
+	if (s)
+		additional_cpus = simple_strtol(s, NULL, 0);
+
+	return 0;
+}
+
+early_param("additional_cpus",
setup_additional_cpus);
+
+/*
+ * cpu_possible_map should be static, it cannot change as
CPUs
+ * are onlined, or offlined. The reason is per-cpu
data-structures
+ * are allocated by some modules at init time, and dont
expect to
+ * do this dynamically on cpu arrival/departure.
+ * cpu_present_map on the other hand can change
dynamically.
+ * In case when cpu_hotplug is not compiled, then we resort
to current
+ * behaviour, which is cpu_possible == cpu_present.
+ * - Ashok Raj
+ *
+ * Three ways to find out the number of additional hotplug
CPUs:
+ * - If the BIOS specified disabled CPUs in ACPI/mptables
use that.
+ * - The user can overwrite it with additional_cpus=NUM
+ * - Otherwise don't reserve additional CPUs.
+ */
+__init void prefill_possible_map(void)
+{
+	int i;
+	int possible, disabled_cpus;
+
+	disabled_cpus = total_cpus - available_cpus;
+
+ 	if (additional_cpus == -1) {
+ 		if (disabled_cpus > 0)
+			additional_cpus = disabled_cpus;
+ 		else
+			additional_cpus = 0;
+ 	}
+
+	possible = available_cpus + additional_cpus;
+
+	if (possible > NR_CPUS)
+		possible = NR_CPUS;
+
+	printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug
CPUsn",
+		possible, max((possible - available_cpus), 0));
+
+	for (i = 0; i < possible; i++)
+		cpu_set(i, cpu_possible_map);
+}
+
+int acpi_map_lsapic(acpi_handle handle, int *pcpu)
+{
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL
};
+	union acpi_object *obj;
+	struct acpi_madt_local_sapic *lsapic;
+	cpumask_t tmp_map;
+	long physid;
+	int cpu;
+
+	if (ACPI_FAILURE(acpi_evaluate_object(handle,
"_MAT", NULL, &buffer)))
+		return -EINVAL;
+
+	if (!buffer.length || !buffer.pointer)
+		return -EINVAL;
+
+	obj = buffer.pointer;
+	if (obj->type != ACPI_TYPE_BUFFER)
+	{
+		kfree(buffer.pointer);
+		return -EINVAL;
+	}
+
+	lsapic = (struct acpi_madt_local_sapic
*)obj->buffer.pointer;
+
+	if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC)
||
+	    (!(lsapic->lapic_flags & ACPI_MADT_ENABLED)))
{
+		kfree(buffer.pointer);
+		return -EINVAL;
+	}
+
+	physid = ((lsapic->id << 8) | (lsapic->eid));
+
+	kfree(buffer.pointer);
+	buffer.length = ACPI_ALLOCATE_BUFFER;
+	buffer.pointer = NULL;
+
+	cpus_complement(tmp_map, cpu_present_map);
+	cpu = first_cpu(tmp_map);
+	if (cpu >= NR_CPUS)
+		return -EINVAL;
+
+	acpi_map_cpu2node(handle, cpu, physid);
+
+	cpu_set(cpu, cpu_present_map);
+	ia64_cpu_to_sapicid[cpu] = physid;
+
+	*pcpu = cpu;
+	return (0);
+}
+
+EXPORT_SYMBOL(acpi_map_lsapic);
+
+int acpi_unmap_lsapic(int cpu)
+{
+	ia64_cpu_to_sapicid[cpu] = -1;
+	cpu_clear(cpu, cpu_present_map);
+
+#ifdef CONFIG_ACPI_NUMA
+	/* NUMA specific cleanup's */
+#endif
+
+	return (0);
+}
+
+EXPORT_SYMBOL(acpi_unmap_lsapic);
+#endif				/* CONFIG_ACPI_HOTPLUG_CPU */
+
+#ifdef CONFIG_ACPI_NUMA
+static acpi_status __devinit
+acpi_map_iosapic(acpi_handle handle, u32 depth, void
*context, void **ret)
+{
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL
};
+	union acpi_object *obj;
+	struct acpi_madt_io_sapic *iosapic;
+	unsigned int gsi_base;
+	int pxm, node;
+
+	/* Only care about objects w/ a method that returns the
MADT */
+	if (ACPI_FAILURE(acpi_evaluate_object(handle,
"_MAT", NULL, &buffer)))
+		return AE_OK;
+
+	if (!buffer.length || !buffer.pointer)
+		return AE_OK;
+
+	obj = buffer.pointer;
+	if (obj->type != ACPI_TYPE_BUFFER ||
+	    obj->buffer.length < sizeof(*iosapic)) {
+		kfree(buffer.pointer);
+		return AE_OK;
+	}
+
+	iosapic = (struct acpi_madt_io_sapic
*)obj->buffer.pointer;
+
+	if (iosapic->header.type != ACPI_MADT_TYPE_IO_SAPIC) {
+		kfree(buffer.pointer);
+		return AE_OK;
+	}
+
+	gsi_base = iosapic->global_irq_base;
+
+	kfree(buffer.pointer);
+
+	/*
+	 * OK, it's an IOSAPIC MADT entry, look for a _PXM value
to tell
+	 * us which node to associate this with.
+	 */
+	pxm = acpi_get_pxm(handle);
+	if (pxm < 0)
+		return AE_OK;
+
+	node = pxm_to_node(pxm);
+
+	if (node >= MAX_NUMNODES || !node_online(node) ||
+	    cpus_empty(node_to_cpumask(node)))
+		return AE_OK;
+
+	/* We know a gsi to node mapping! */
+	map_iosapic_to_node(gsi_base, node);
+	return AE_OK;
+}
+
+static int __init
+acpi_map_iosapics (void)
+{
+	acpi_get_devices(NULL, acpi_map_iosapic, NULL, NULL);
+	return 0;
+}
+
+fs_initcall(acpi_map_iosapics);
+#endif				/* CONFIG_ACPI_NUMA */
+
+int __ref acpi_register_ioapic(acpi_handle handle, u64
phys_addr, u32 gsi_base)
+{
+	int err;
+
+	if ((err = iosapic_init(phys_addr, gsi_base)))
+		return err;
+
+#ifdef CONFIG_ACPI_NUMA
+	acpi_map_iosapic(handle, 0, NULL, NULL);
+#endif				/* CONFIG_ACPI_NUMA */
+
+	return 0;
+}
+
+EXPORT_SYMBOL(acpi_register_ioapic);
+
+int acpi_unregister_ioapic(acpi_handle handle, u32
gsi_base)
+{
+	return iosapic_remove(gsi_base);
+}
+
+EXPORT_SYMBOL(acpi_unregister_ioapic);
+
+/*
+ * acpi_save_state_mem() - save kernel state
+ *
+ * TBD when when IA64 starts to support suspend...
+ */
+int acpi_save_state_mem(void) { return 0; } 
+
+/*
+ * acpi_restore_state()
+ */
+void acpi_restore_state_mem(void) {}
+
+/*
+ * do_suspend_lowlevel()
+ */
+void do_suspend_lowlevel(void) {}
+
+#endif				/* CONFIG_ACPI */
diff --git a/xen/arch/ia64/linux-xen/acpi_numa.c
b/xen/arch/ia64/linux-xen/acpi_numa.c
new file mode 100644
--- /dev/null
+++ b/xen/arch/ia64/linux-xen/acpi_numa.c
 -0,0
+1,263 
+/*
+ *  acpi_numa.c - ACPI NUMA support
+ *
+ *  Copyright (C) 2002 Takayoshi Kochi <t-kochibq.jp.nec.com>
+ *
+ *
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it
and/or modify
+ *  it under the terms of the GNU General Public License as
published by
+ *  the Free Software Foundation; either version 2 of the
License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be
useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied
warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General
Public License
+ *  along with this program; if not, write to the Free
Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA  02111-1307  USA
+ *
+ *
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~
+ *
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/acpi.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acmacros.h>
+
+#define ACPI_NUMA	0x80000000
+#define _COMPONENT	ACPI_NUMA
+ACPI_MODULE_NAME("numa");
+
+static nodemask_t nodes_found_map = NODE_MASK_NONE;
+
+/* maps to convert between proximity domain and logical
node ID */
+static int pxm_to_node_map[MAX_PXM_DOMAINS]
+				= { [0 ... MAX_PXM_DOMAINS - 1] = NID_INVAL };
+static int node_to_pxm_map[MAX_NUMNODES]
+				= { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
+
+int pxm_to_node(int pxm)
+{
+	if (pxm < 0)
+		return NID_INVAL;
+	return pxm_to_node_map[pxm];
+}
+
+int node_to_pxm(int node)
+{
+	if (node < 0)
+		return PXM_INVAL;
+	return node_to_pxm_map[node];
+}
+
+void __acpi_map_pxm_to_node(int pxm, int node)
+{
+	pxm_to_node_map[pxm] = node;
+	node_to_pxm_map[node] = pxm;
+}
+
+int acpi_map_pxm_to_node(int pxm)
+{
+	int node = pxm_to_node_map[pxm];
+
+	if (node < 0){
+		if (nodes_weight(nodes_found_map) >= MAX_NUMNODES)
+			return NID_INVAL;
+		node = first_unset_node(nodes_found_map);
+		__acpi_map_pxm_to_node(pxm, node);
+		node_set(node, nodes_found_map);
+	}
+
+	return node;
+}
+
+#if 0
+void __cpuinit acpi_unmap_pxm_to_node(int node)
+{
+	int pxm = node_to_pxm_map[node];
+	pxm_to_node_map[pxm] = NID_INVAL;
+	node_to_pxm_map[node] = PXM_INVAL;
+	node_clear(node, nodes_found_map);
+}
+#endif  /*  0  */
+
+static void __init
+acpi_table_print_srat_entry(struct acpi_subtable_header
*header)
+{
+
+	ACPI_FUNCTION_NAME("acpi_table_print_srat_entry"
);
+
+	if (!header)
+		return;
+
+	switch (header->type) {
+
+	case ACPI_SRAT_TYPE_CPU_AFFINITY:
+#ifdef ACPI_DEBUG_OUTPUT
+		{
+			struct acpi_srat_cpu_affinity *p =
+			    (struct acpi_srat_cpu_affinity *)header;
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "SRAT Processor (id[0x%02x] eid[0x%02x]) in
proximity domain %d %sn",
+					  p->apic_id, p->local_sapic_eid,
+					  p->proximity_domain_lo,
+					  (p->flags & ACPI_SRAT_CPU_ENABLED)?
+					  "enabled" : "disabled"));
+		}
+#endif				/* ACPI_DEBUG_OUTPUT */
+		break;
+
+	case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
+#ifdef ACPI_DEBUG_OUTPUT
+		{
+			struct acpi_srat_mem_affinity *p =
+			    (struct acpi_srat_mem_affinity *)header;
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "SRAT Memory (0x%lx length 0x%lx type 0x%x) in
proximity domain %d %s%sn",
+					  (unsigned long)p->base_address,
+					  (unsigned long)p->length,
+					  p->memory_type, p->proximity_domain,
+					  (p->flags & ACPI_SRAT_MEM_ENABLED)?
+					  "enabled" : "disabled",
+					  (p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)?
+					  " hot-pluggable" : ""));
+		}
+#endif				/* ACPI_DEBUG_OUTPUT */
+		break;
+
+	default:
+		printk(KERN_WARNING PREFIX
+		       "Found unsupported SRAT entry (type =
0x%x)n",
+		       header->type);
+		break;
+	}
+}
+
+static int __init acpi_parse_slit(struct acpi_table_header
*table)
+{
+	struct acpi_table_slit *slit;
+	u32 localities;
+
+	if (!table)
+		return -EINVAL;
+
+	slit = (struct acpi_table_slit *)table;
+
+	/* downcast just for %llu vs %lu for i386/ia64  */
+	localities = (u32) slit->locality_count;
+
+	acpi_numa_slit_init(slit);
+
+	return 0;
+}
+
+static int __init
+acpi_parse_processor_affinity(struct acpi_subtable_header *
header,
+			      const unsigned long end)
+{
+	struct acpi_srat_cpu_affinity *processor_affinity;
+
+	processor_affinity = (struct acpi_srat_cpu_affinity
*)header;
+	if (!processor_affinity)
+		return -EINVAL;
+
+	acpi_table_print_srat_entry(header);
+
+	/* let architecture-dependent part to do it */
+	acpi_numa_processor_affinity_init(processor_affinity);
+
+	return 0;
+}
+
+static int __init
+acpi_parse_memory_affinity(struct acpi_subtable_header *
header,
+			   const unsigned long end)
+{
+	struct acpi_srat_mem_affinity *memory_affinity;
+
+	memory_affinity = (struct acpi_srat_mem_affinity
*)header;
+	if (!memory_affinity)
+		return -EINVAL;
+
+	acpi_table_print_srat_entry(header);
+
+	/* let architecture-dependent part to do it */
+	acpi_numa_memory_affinity_init(memory_affinity);
+
+	return 0;
+}
+
+static int __init acpi_parse_srat(struct acpi_table_header
*table)
+{
+	struct acpi_table_srat *srat;
+
+	if (!table)
+		return -EINVAL;
+
+	srat = (struct acpi_table_srat *)table;
+
+	return 0;
+}
+
+static int __init
+acpi_table_parse_srat(enum acpi_srat_type id,
+		      acpi_table_entry_handler handler, unsigned int
max_entries)
+{
+	return acpi_table_parse_entries(ACPI_SIG_SRAT,
+					    sizeof(struct acpi_table_srat), id,
+					    handler, max_entries);
+}
+
+int __init acpi_numa_init(void)
+{
+	/* SRAT: Static Resource Affinity Table */
+	if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
+		acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
+				      acpi_parse_processor_affinity, NR_CPUS);
+		acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
+				      acpi_parse_memory_affinity,
+				      NR_NODE_MEMBLKS);
+	}
+
+	/* SLIT: System Locality Information Table */
+	acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
+
+	acpi_numa_arch_fixup();
+	return 0;
+}
+
+int acpi_get_pxm(acpi_handle h)
+{
+	unsigned long pxm;
+	acpi_status status;
+	acpi_handle handle;
+	acpi_handle phandle = h;
+
+	do {
+		handle = phandle;
+		status = acpi_evaluate_integer(handle, "_PXM",
NULL, &pxm);
+		if (ACPI_SUCCESS(status))
+			return pxm;
+		status = acpi_get_parent(handle, &phandle);
+	} while (ACPI_SUCCESS(status));
+	return -1;
+}
+
+int acpi_get_node(acpi_handle *handle)
+{
+	int pxm, node = -1;
+
+	pxm = acpi_get_pxm(handle);
+	if (pxm >= 0)
+		node = acpi_map_pxm_to_node(pxm);
+
+	return node;
+}
+EXPORT_SYMBOL(acpi_get_node);
diff --git
a/xen/include/asm-ia64/linux-xen/asm/README.origin
b/xen/include/asm-ia64/linux-xen/asm/README.origin
--- a/xen/include/asm-ia64/linux-xen/asm/README.origin
+++ b/xen/include/asm-ia64/linux-xen/asm/README.origin
 -5,7
+5,6 
 # (e.g. with #ifdef XEN or XEN in a comment) so that they
can be
 # easily updated to future versions of the corresponding
Linux files.
 
-acpi.h			-> linux/include/asm-ia64/acpi.h
 atomic.h		-> linux/include/asm-ia64/atomic.h
 cache.h			-> linux/include/asm-ia64/cache.h
 gcc_intrin.h		-> linux/include/asm-ia64/gcc_intrin.h
 -43,3
+42,6 
 
 # The files below are from Linux-2.6.21
 pal.h			-> linux/include/asm-ia64/pal.h
+
+# The files below are from Linux-2.6.26-rc5
+acpi.h			-> linux/include/asm-ia64/acpi.h
diff --git a/xen/include/asm-ia64/linux-xen/asm/acpi.h
b/xen/include/asm-ia64/linux-xen/asm/acpi.h
--- a/xen/include/asm-ia64/linux-xen/asm/acpi.h
+++ b/xen/include/asm-ia64/linux-xen/asm/acpi.h
 -30,9
+30,12 
 
 #ifdef __KERNEL__
 
+#include <acpi/pdc_intel.h>
+
 #include <linux/init.h>
 #include <linux/numa.h>
 #include <asm/system.h>
+#include <asm/numa.h>
 
 #define COMPILER_DEPENDENT_INT64	long
 #define COMPILER_DEPENDENT_UINT64	unsigned long
 -82,21
+85,27 
 	return old & 0x1;
 }
 
-#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)				
-	((Acq) = ia64_acpi_acquire_global_lock((unsigned int *)
GLptr))
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq)				
+	((Acq) =
ia64_acpi_acquire_global_lock(&facs->global_lock))
 
-#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq)				
-	((Acq) = ia64_acpi_release_global_lock((unsigned int *)
GLptr))
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq)				
+	((Acq) =
ia64_acpi_release_global_lock(&facs->global_lock))
 
 #define acpi_disabled 0	/* ACPI always enabled on IA64 */
 #define acpi_noirq 0	/* ACPI always enabled on IA64 */
 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on
IA64 */
 #define acpi_strict 1	/* no ACPI spec workarounds on IA64
*/
+#define acpi_processor_cstate_check(x) (x) /* no idle
limits on IA64  */
 static inline void disable_acpi(void) { }
 
 const char *acpi_get_sysname (void);
 int acpi_request_vector (u32 int_type);
 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
+
+/* routines for saving/restoring kernel state */
+extern int acpi_save_state_mem(void);
+extern void acpi_restore_state_mem(void);
+extern unsigned long acpi_wakeup_address;
 
 /*
  * Record the cpei override flag and current logical cpu.
This is
 -106,15
+115,52 
 extern unsigned int is_cpu_cpei_target(unsigned int cpu);
 extern void set_cpei_target_cpu(unsigned int cpu);
 extern unsigned int get_cpei_target_cpu(void);
+extern void prefill_possible_map(void);
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+extern int additional_cpus;
+#else
+#define additional_cpus 0
+#endif
 
 #ifdef CONFIG_ACPI_NUMA
-/* Proximity bitmap length; _PXM is at most 255 (8 bit)*/
+#if MAX_NUMNODES > 256
+#define MAX_PXM_DOMAINS MAX_NUMNODES
+#else
 #define MAX_PXM_DOMAINS (256)
+#endif
 extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
 extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
 #endif
 
-extern u16 ia64_acpiid_to_sapicid[];
+#define acpi_unlazy_tlb(x)
+
+#ifdef CONFIG_ACPI_NUMA
+extern cpumask_t early_cpu_possible_map;
+#define for_each_possible_early_cpu(cpu)  
+	for_each_cpu_mask((cpu), early_cpu_possible_map)
+
+static inline void per_cpu_scan_finalize(int min_cpus, int
reserve_cpus)
+{
+	int low_cpu, high_cpu;
+	int cpu;
+	int next_nid = 0;
+
+	low_cpu = cpus_weight(early_cpu_possible_map);
+
+	high_cpu = max(low_cpu, min_cpus);
+	high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
+
+	for (cpu = low_cpu; cpu < high_cpu; cpu++) {
+		cpu_set(cpu, early_cpu_possible_map);
+		if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
+			node_cpuid[cpu].nid = next_nid;
+			next_nid++;
+			if (next_nid >= num_online_nodes())
+				next_nid = 0;
+		}
+	}
+}
+#endif /* CONFIG_ACPI_NUMA */
 
 #endif /*__KERNEL__*/
 

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