[PATCH 3/5] acpi: move x86/mm/srat.c to x86/kernel/acpi/srat.c

[liguang <lig.fnst@cn.fujitsu.com>]

srat table should present only on acpi domain,
seems mm/ is not the right place for it.

Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
---
 arch/x86/kernel/acpi/Makefile |    1 +
 arch/x86/mm/Makefile          |    1 -
 arch/x86/mm/srat.c            |  191 -----------------------------------------
 3 files changed, 1 insertions(+), 192 deletions(-)
 delete mode 100644 arch/x86/mm/srat.c

diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index 163b225..1894c22 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_ACPI)		+= boot.o
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_$(BITS).o
+obj-$(CONFIG_ACPI_NUMA)        += srat.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y				+= cstate.o
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index 23d8e5f..d6f3692 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -24,7 +24,6 @@ obj-$(CONFIG_MMIOTRACE_TEST)	+= testmmiotrace.o
 
 obj-$(CONFIG_NUMA)		+= numa.o numa_$(BITS).o
 obj-$(CONFIG_AMD_NUMA)		+= amdtopology.o
-obj-$(CONFIG_ACPI_NUMA)		+= srat.o
 obj-$(CONFIG_NUMA_EMU)		+= numa_emulation.o
 
 obj-$(CONFIG_MEMTEST)		+= memtest.o
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
deleted file mode 100644
index 78c67bd..0000000
--- a/arch/x86/mm/srat.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * ACPI 3.0 based NUMA setup
- * Copyright 2004 Andi Kleen, SuSE Labs.
- *
- * Reads the ACPI SRAT table to figure out what memory belongs to which CPUs.
- *
- * Called from acpi_numa_init while reading the SRAT and SLIT tables.
- * Assumes all memory regions belonging to a single proximity domain
- * are in one chunk. Holes between them will be included in the node.
- */
-
-#include <linux/kernel.h>
-#include <linux/acpi.h>
-#include <linux/mmzone.h>
-#include <linux/bitmap.h>
-#include <linux/module.h>
-#include <linux/topology.h>
-#include <linux/bootmem.h>
-#include <linux/memblock.h>
-#include <linux/mm.h>
-#include <asm/proto.h>
-#include <asm/numa.h>
-#include <asm/e820.h>
-#include <asm/apic.h>
-#include <asm/uv/uv.h>
-
-static bool acpi_numa __initdata;
-
-static __init int setup_node(int pxm)
-{
-	return acpi_map_pxm_to_node(pxm);
-}
-
-void __init bad_srat(void)
-{
-	printk(KERN_ERR "SRAT: SRAT not used.\n");
-	acpi_numa = false;
-}
-
-bool __init srat_disabled(void)
-{
-	return acpi_numa;
-}
-
-/* Callback for SLIT parsing */
-void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
-{
-	int i, j;
-
-	for (i = 0; i < slit->locality_count; i++)
-		for (j = 0; j < slit->locality_count; j++)
-			numa_set_distance(pxm_to_node(i), pxm_to_node(j),
-				slit->entry[slit->locality_count * i + j]);
-}
-
-/* Callback for Proximity Domain -> x2APIC mapping */
-void __init
-acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
-{
-	int pxm, node;
-	int apic_id;
-
-	if (pa->header.length < sizeof(struct acpi_srat_x2apic_cpu_affinity)) {
-		bad_srat();
-		return;
-	}
-	if ((pa->flags & ACPI_SRAT_CPU_ENABLED) == 0)
-		return;
-	pxm = pa->proximity_domain;
-	apic_id = pa->apic_id;
-	if (!apic->apic_id_valid(apic_id)) {
-		printk(KERN_INFO "SRAT: PXM %u -> X2APIC 0x%04x ignored\n",
-			 pxm, apic_id);
-		return;
-	}
-	node = setup_node(pxm);
-	if (node < 0) {
-		printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm);
-		bad_srat();
-		return;
-	}
-
-	if (apic_id >= MAX_LOCAL_APIC) {
-		printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%04x -> Node %u skipped apicid that is too big\n", pxm, apic_id, node);
-		return;
-	}
-	set_apicid_to_node(apic_id, node);
-	node_set(node, numa_nodes_parsed);
-	acpi_numa = 1;
-	printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%04x -> Node %u\n",
-	       pxm, apic_id, node);
-}
-
-/* Callback for Proximity Domain -> LAPIC mapping */
-void __init
-acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
-{
-	int pxm, node;
-	int apic_id;
-
-	if (pa->header.length != sizeof(struct acpi_srat_cpu_affinity)) {
-		bad_srat();
-		return;
-	}
-	if ((pa->flags & ACPI_SRAT_CPU_ENABLED) == 0)
-		return;
-	pxm = pa->proximity_domain_lo;
-	if (acpi_srat_revision >= 2)
-		pxm |= *((unsigned int*)pa->proximity_domain_hi) << 8;
-	node = setup_node(pxm);
-	if (node < 0) {
-		printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm);
-		bad_srat();
-		return;
-	}
-
-	if (get_uv_system_type() >= UV_X2APIC)
-		apic_id = (pa->apic_id << 8) | pa->local_sapic_eid;
-	else
-		apic_id = pa->apic_id;
-
-	if (apic_id >= MAX_LOCAL_APIC) {
-		printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%02x -> Node %u skipped apicid that is too big\n", pxm, apic_id, node);
-		return;
-	}
-
-	set_apicid_to_node(apic_id, node);
-	node_set(node, numa_nodes_parsed);
-	acpi_numa = 1;
-	printk(KERN_INFO "SRAT: PXM %u -> APIC 0x%02x -> Node %u\n",
-	       pxm, apic_id, node);
-}
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-static inline int save_add_info(void) {return 1;}
-#else
-static inline int save_add_info(void) {return 0;}
-#endif
-
-/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
-int __init
-acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
-{
-	u64 start, end;
-	int node, pxm;
-
-	if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) {
-		bad_srat();
-		return -1;
-	}
-	if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
-		return -1;
-
-	if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info())
-		return -1;
-	start = ma->base_address;
-	end = start + ma->length;
-	pxm = ma->proximity_domain;
-	if (acpi_srat_revision <= 1)
-		pxm &= 0xff;
-	node = setup_node(pxm);
-	if (node < 0) {
-		printk(KERN_ERR "SRAT: Too many proximity domains.\n");
-		bad_srat();
-		return -1;
-	}
-
-	if (numa_add_memblk(node, start, end) < 0) {
-		bad_srat();
-		return -1;
-	}
-
-	node_set(node, numa_nodes_parsed);
-
-	printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n",
-	       node, pxm,
-	       (unsigned long long) start, (unsigned long long) end - 1);
-	return 0;
-}
-
-void __init acpi_numa_arch_fixup(void) {}
-
-int __init x86_acpi_numa_init(void)
-{
-	int ret;
-
-	ret = acpi_numa_init();
-	if (ret < 0)
-		return ret;
-	return srat_disabled() ? -EINVAL : 0;
-}
-- 
1.7.2.5