---

yaml
---
r: 23799
b: refs/heads/master
c: 51f62e1
h: refs/heads/master
i:
  23797: fb6a09a
  23795: 7c58ae8
  23791: c4aeae3
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 45948d7720e8bd0104696087c6305fdd90e3b298
+refs/heads/master: 51f62e186b78f8743246a349b09be370c8735479

trunk/arch/x86_64/kernel/mpparse.c

@@ -106,11 +106,11 @@ static int __init mpf_checksum(unsigned char *mp, int len)
 	return sum & 0xFF;
 }
 
-static void __init MP_processor_info (struct mpc_config_processor *m)
+static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
 {
 	int cpu;
 	unsigned char ver;
-	static int found_bsp=0;
+	cpumask_t tmp_map;
 
 	if (!(m->mpc_cpuflag & CPU_ENABLED)) {
 		disabled_cpus++;
@@ -133,8 +133,10 @@ static void __init MP_processor_info (struct mpc_config_processor *m)
 		return;
 	}
 
-	cpu = num_processors++;
-
+	num_processors++;
+	cpus_complement(tmp_map, cpu_present_map);
+	cpu = first_cpu(tmp_map);
+
 #if MAX_APICS < 255	
 	if ((int)m->mpc_apicid > MAX_APICS) {
 		printk(KERN_ERR "Processor #%d INVALID. (Max ID: %d).\n",
@@ -160,12 +162,7 @@ static void __init MP_processor_info (struct mpc_config_processor *m)
  		 * entry is BSP, and so on.
  		 */
 		cpu = 0;
-
- 		bios_cpu_apicid[0] = m->mpc_apicid;
- 		x86_cpu_to_apicid[0] = m->mpc_apicid;
- 		found_bsp = 1;
- 	} else
-		cpu = num_processors - found_bsp;
+ 	}
 	bios_cpu_apicid[cpu] = m->mpc_apicid;
 	x86_cpu_to_apicid[cpu] = m->mpc_apicid;
 
@@ -691,7 +688,7 @@ void __init mp_register_lapic_address (
 }
 
 
-void __init mp_register_lapic (
+void __cpuinit mp_register_lapic (
 	u8			id, 
 	u8			enabled)
 {

trunk/arch/x86_64/kernel/setup.c

@@ -708,6 +708,12 @@ void __init setup_arch(char **cmdline_p)
 
 	check_ioapic();
 
+	/*
+	 * set this early, so we dont allocate cpu0
+	 * if MADT list doesnt list BSP first
+	 * mpparse.c/MP_processor_info() allocates logical cpu numbers.
+	 */
+	cpu_set(0, cpu_present_map);
 #ifdef CONFIG_ACPI
 	/*
 	 * Read APIC and some other early information from ACPI tables.