X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Facpi%2Fboot.c;h=3625ac798821366bbdd2680f9db172a081550fea;hb=ccf27814a63fc122dc5980453a18847dc5d8429f;hp=ded848c20e05a115a3556b95cd4a8d6b30c0bdbe;hpb=4302d506d5f3419109abdd0d6e400ed6e8148209;p=karo-tx-linux.git

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index ded848c20e05..3625ac798821 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -705,8 +705,14 @@ static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
 
 	nid = acpi_get_node(handle);
 	if (nid != -1) {
+		if (try_online_node(nid)) {
+			pr_warn("failed to online node%d for CPU%d, use node%d instead.\n",
+				nid, cpu, first_node(node_online_map));
+			nid = first_node(node_online_map);
+		}
 		set_apicid_to_node(physid, nid);
 		numa_set_node(cpu, nid);
+		set_cpu_numa_mem(cpu, local_memory_node(nid));
 	}
 #endif
 }
@@ -733,9 +739,10 @@ int acpi_unmap_cpu(int cpu)
 {
 #ifdef CONFIG_ACPI_NUMA
 	set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE);
+	set_cpu_numa_mem(cpu, NUMA_NO_NODE);
 #endif
 
-	per_cpu(x86_cpu_to_apicid, cpu) = -1;
+	per_cpu(x86_cpu_to_apicid, cpu) = BAD_APICID;
 	set_cpu_present(cpu, false);
 	num_processors--;
 
@@ -976,6 +983,8 @@ static int __init acpi_parse_madt_lapic_entries(void)
 {
 	int count;
 	int x2count = 0;
+	int ret;
+	struct acpi_subtable_proc madt_proc[2];
 
 	if (!cpu_has_apic)
 		return -ENODEV;
@@ -999,10 +1008,22 @@ static int __init acpi_parse_madt_lapic_entries(void)
 				      acpi_parse_sapic, MAX_LOCAL_APIC);
 
 	if (!count) {
-		x2count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC,
-					acpi_parse_x2apic, MAX_LOCAL_APIC);
-		count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC,
-					acpi_parse_lapic, MAX_LOCAL_APIC);
+		memset(madt_proc, 0, sizeof(madt_proc));
+		madt_proc[0].id = ACPI_MADT_TYPE_LOCAL_APIC;
+		madt_proc[0].handler = acpi_parse_lapic;
+		madt_proc[1].id = ACPI_MADT_TYPE_LOCAL_X2APIC;
+		madt_proc[1].handler = acpi_parse_x2apic;
+		ret = acpi_table_parse_entries_array(ACPI_SIG_MADT,
+				sizeof(struct acpi_table_madt),
+				madt_proc, ARRAY_SIZE(madt_proc), MAX_LOCAL_APIC);
+		if (ret < 0) {
+			printk(KERN_ERR PREFIX
+					"Error parsing LAPIC/X2APIC entries\n");
+			return ret;
+		}
+
+		x2count = madt_proc[0].count;
+		count = madt_proc[1].count;
 	}
 	if (!count && !x2count) {
 		printk(KERN_ERR PREFIX "No LAPIC entries present\n");