x86: change boot_cpu_id to boot_cpu_physical_apicid

This is to match i386. The former name was cuter,
but the current is more meaningful and more general,
since cpu_id can be a logical id.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 23 insertions, 20 deletions

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 8a475793f736..868ec1deb19a 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -431,7 +431,8 @@ void __cpuinit check_boot_apic_timer_broadcast(void)
         lapic_clockevent.features |= CLOCK_EVT_FEAT_DUMMY;
 
         local_irq_enable();
-        clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_FORCE, &boot_cpu_id);
+        clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_FORCE,
+                           &boot_cpu_physical_apicid);
         local_irq_disable();
 }
 
@@ -857,7 +858,7 @@ static int __init detect_init_APIC(void)
         }
 
         mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-        boot_cpu_id = 0;
+        boot_cpu_physical_apicid = 0;
         return 0;
 }
 
@@ -882,7 +883,7 @@ void __init early_init_lapic_mapping(void)
          * Fetch the APIC ID of the BSP in case we have a
          * default configuration (or the MP table is broken).
          */
-        boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
+        boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 }
 
 /**
@@ -909,7 +910,7 @@ void __init init_apic_mappings(void)
          * Fetch the APIC ID of the BSP in case we have a
          * default configuration (or the MP table is broken).
          */
-        boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
+        boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 }
 
 /*
@@ -930,8 +931,8 @@ int __init APIC_init_uniprocessor(void)
 
         verify_local_APIC();
 
-        phys_cpu_present_map = physid_mask_of_physid(boot_cpu_id);
-        apic_write(APIC_ID, SET_APIC_ID(boot_cpu_id));
+        phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
+        apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));
 
         setup_local_APIC();
 
diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c
index 03ef1a8b53e8..20a345dd425b 100644
--- a/arch/x86/kernel/mpparse_64.c
+++ b/arch/x86/kernel/mpparse_64.c
@@ -59,8 +59,8 @@ unsigned long mp_lapic_addr = 0;
 
 
 /* Processor that is doing the boot up */
-unsigned int boot_cpu_id = -1U;
-EXPORT_SYMBOL(boot_cpu_id);
+unsigned int boot_cpu_physical_apicid = -1U;
+EXPORT_SYMBOL(boot_cpu_physical_apicid);
 
 /* Internal processor count */
 unsigned int num_processors;
@@ -107,7 +107,7 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
         }
         if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) {
                 bootup_cpu = " (Bootup-CPU)";
-                boot_cpu_id = m->mpc_apicid;
+                boot_cpu_physical_apicid = m->mpc_apicid;
         }
 
         printk(KERN_INFO "Processor #%d%s\n", m->mpc_apicid, bootup_cpu);
@@ -665,8 +665,8 @@ void __init mp_register_lapic_address(u64 address)
 {
         mp_lapic_addr = (unsigned long) address;
         set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr);
-        if (boot_cpu_id == -1U)
-                boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
+        if (boot_cpu_physical_apicid == -1U)
+                boot_cpu_physical_apicid  = GET_APIC_ID(apic_read(APIC_ID));
 }
 
 void __cpuinit mp_register_lapic (u8 id, u8 enabled)
@@ -674,7 +674,7 @@ void __cpuinit mp_register_lapic (u8 id, u8 enabled)
         struct mpc_config_processor processor;
         int                     boot_cpu = 0;
         
-        if (id == boot_cpu_id)
+        if (id == boot_cpu_physical_apicid)
                 boot_cpu = 1;
 
         processor.mpc_type = MP_PROCESSOR;
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 7ec96218a97e..420ae4a33548 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -602,7 +602,8 @@ static __init void disable_smp(void)
         cpu_present_map = cpumask_of_cpu(0);
         cpu_possible_map = cpumask_of_cpu(0);
         if (smp_found_config)
-                phys_cpu_present_map = physid_mask_of_physid(boot_cpu_id);
+                phys_cpu_present_map =
+                                physid_mask_of_physid(boot_cpu_physical_apicid);
         else
                 phys_cpu_present_map = physid_mask_of_physid(0);
         cpu_set(0, per_cpu(cpu_sibling_map, 0));
@@ -637,9 +638,10 @@ static int __init smp_sanity_check(unsigned max_cpus)
          * Should not be necessary because the MP table should list the boot
          * CPU too, but we do it for the sake of robustness anyway.
          */
-        if (!physid_isset(boot_cpu_id, phys_cpu_present_map)) {
-                printk(KERN_NOTICE "weird, boot CPU (#%d) not listed by the BIOS.\n",
-                                                                 boot_cpu_id);
+        if (!physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map)) {
+                printk(KERN_NOTICE
+                        "weird, boot CPU (#%d) not listed by the BIOS.\n",
+                        boot_cpu_physical_apicid);
                 physid_set(hard_smp_processor_id(), phys_cpu_present_map);
         }
 
@@ -648,7 +650,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
          */
         if (!cpu_has_apic) {
                 printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
-                        boot_cpu_id);
+                        boot_cpu_physical_apicid);
                 printk(KERN_ERR "... forcing use of dummy APIC emulation. (tell your hw vendor)\n");
                 nr_ioapics = 0;
                 return -1;
@@ -709,9 +711,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
                 enable_IO_APIC();
         end_local_APIC_setup();
 
-        if (GET_APIC_ID(apic_read(APIC_ID)) != boot_cpu_id) {
+        if (GET_APIC_ID(apic_read(APIC_ID)) != boot_cpu_physical_apicid) {
                 panic("Boot APIC ID in local APIC unexpected (%d vs %d)",
-                      GET_APIC_ID(apic_read(APIC_ID)), boot_cpu_id);
+                     GET_APIC_ID(apic_read(APIC_ID)), boot_cpu_physical_apicid);
                 /* Or can we switch back to PIC here? */
         }
 
@@ -756,7 +758,7 @@ int __cpuinit native_cpu_up(unsigned int cpu)
 
         Dprintk("++++++++++++++++++++=_---CPU UP  %u\n", cpu);
 
-        if (apicid == BAD_APICID || apicid == boot_cpu_id ||
+        if (apicid == BAD_APICID || apicid == boot_cpu_physical_apicid ||
             !physid_isset(apicid, phys_cpu_present_map)) {
                 printk("__cpu_up: bad cpu %d\n", cpu);
                 return -EINVAL;