1 files changed, 19 insertions, 66 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 440578850ae..615ef81def4 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -53,15 +53,10 @@
 #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: "
 
-u32 acpi_rsdt_forced;
+int acpi_lapic;
 unsigned int acpi_cpei_override;
 unsigned int acpi_cpei_phys_cpuid;
 
@@ -120,8 +115,6 @@ acpi_get_sysname(void)
 			return "uv";
 		else
 			return "sn2";
-	} else if (xen_pv_domain() && !strcmp(hdr->oem_id, "XEN")) {
-		return "xen";
 	}
 
 #ifdef CONFIG_INTEL_IOMMU
@@ -422,7 +415,7 @@ static int __init acpi_parse_madt(struct acpi_table_header *table)
 #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];
+static u32 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;
@@ -633,6 +626,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int triggering, int polarity)
 				      ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE :
 				     IOSAPIC_LEVEL);
 }
+EXPORT_SYMBOL_GPL(acpi_register_gsi);
 
 void acpi_unregister_gsi(u32 gsi)
 {
@@ -644,6 +638,7 @@ void acpi_unregister_gsi(u32 gsi)
 
 	iosapic_unregister_intr(gsi);
 }
+EXPORT_SYMBOL_GPL(acpi_unregister_gsi);
 
 static int __init acpi_parse_fadt(struct acpi_table_header *table)
 {
@@ -682,6 +677,8 @@ int __init early_acpi_boot_init(void)
 	if (ret < 1)
 		printk(KERN_ERR PREFIX
 		       "Error parsing MADT - no LAPIC entries\n");
+	else
+		acpi_lapic = 1;
 
 #ifdef CONFIG_SMP
 	if (available_cpus == 0) {
@@ -805,14 +802,9 @@ int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi)
  *  ACPI based hotplug CPU support
  */
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
-static __cpuinit
-int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
+static int acpi_map_cpu2node(acpi_handle handle, int cpu, int 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.
@@ -820,11 +812,10 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
 	 * 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;
+	node_cpuid[cpu].nid = acpi_get_node(handle);
 #endif
-	return (0);
+	return 0;
 }
 
 int additional_cpus __initdata = -1;
@@ -880,40 +871,10 @@ __init void prefill_possible_map(void)
 		set_cpu_possible(i, true);
 }
 
-static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu)
+static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
 {
-	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-	union acpi_object *obj;
-	struct acpi_madt_local_sapic *lsapic;
 	cpumask_t tmp_map;
-	int cpu, physid;
-
-	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;
+	int cpu;
 
 	cpumask_complement(&tmp_map, cpu_present_mask);
 	cpu = cpumask_first(&tmp_map);
@@ -932,9 +893,9 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu)
 }
 
 /* wrapper to silence section mismatch warning */
-int __ref acpi_map_lsapic(acpi_handle handle, int *pcpu)
+int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
 {
-	return _acpi_map_lsapic(handle, pcpu);
+	return _acpi_map_lsapic(handle, physid, pcpu);
 }
 EXPORT_SYMBOL(acpi_map_lsapic);
 
@@ -954,14 +915,14 @@ 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)
+static acpi_status 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;
+	int node;
 
 	/* Only care about objects w/ a method that returns the MADT */
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
@@ -988,17 +949,9 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
 
 	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) ||
+	/* OK, it's an IOSAPIC MADT entry; associate it with a node */
+	node = acpi_get_node(handle);
+	if (node == NUMA_NO_NODE || !node_online(node) ||
 	    cpumask_empty(cpumask_of_node(node)))
 		return AE_OK;