x86: merge native_smp_prepare_cpus

With the previous changes, code for native_smp_prepare_cpus()
in i386 and x86_64 now look very similar. merge them into
smpboot.c. Minor differences are inside ifdef

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

1 files changed, 0 insertions, 137 deletions

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 5a0f57f3519..3a1b9e40ced 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -74,7 +74,6 @@ EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
 
 u8 apicid_2_node[MAX_APICID];
 
-extern void map_cpu_to_logical_apicid(void);
 extern void unmap_cpu_to_logical_apicid(int cpu);
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -94,144 +93,8 @@ void cpu_exit_clear(void)
 }
 #endif
 
-static int boot_cpu_logical_apicid;
 /* Where the IO area was mapped on multiquad, always 0 otherwise */
 void *xquad_portio;
 #ifdef CONFIG_X86_NUMAQ
 EXPORT_SYMBOL(xquad_portio);
 #endif
-
-static void __init disable_smp(void)
-{
-	cpu_possible_map = cpumask_of_cpu(0);
-	cpu_present_map = cpumask_of_cpu(0);
-	smpboot_clear_io_apic_irqs();
-	if (smp_found_config)
-		phys_cpu_present_map =
-				physid_mask_of_physid(boot_cpu_physical_apicid);
-	else
-		phys_cpu_present_map = physid_mask_of_physid(0);
-	map_cpu_to_logical_apicid();
-	cpu_set(0, per_cpu(cpu_sibling_map, 0));
-	cpu_set(0, per_cpu(cpu_core_map, 0));
-}
-
-static int __init smp_sanity_check(unsigned max_cpus)
-{
-	if (!physid_isset(hard_smp_processor_id(), phys_cpu_present_map)) {
-		printk(KERN_WARNING "weird, boot CPU (#%d) not listed"
-				    "by the BIOS.\n", hard_smp_processor_id());
-		physid_set(hard_smp_processor_id(), phys_cpu_present_map);
-	}
-
-	/*
-	 * If we couldn't find an SMP configuration at boot time,
-	 * get out of here now!
-	 */
-	if (!smp_found_config && !acpi_lapic) {
-		printk(KERN_NOTICE "SMP motherboard not detected.\n");
-		disable_smp();
-		if (APIC_init_uniprocessor())
-			printk(KERN_NOTICE "Local APIC not detected."
-					   " Using dummy APIC emulation.\n");
-		return -1;
-	}
-
-	/*
-	 * Should not be necessary because the MP table should list the boot
-	 * CPU too, but we do it for the sake of robustness anyway.
-	 * Makes no sense to do this check in clustered apic mode, so skip it
-	 */
-	if (!check_phys_apicid_present(boot_cpu_physical_apicid)) {
-		printk("weird, boot CPU (#%d) not listed by the BIOS.\n",
-				boot_cpu_physical_apicid);
-		physid_set(hard_smp_processor_id(), phys_cpu_present_map);
-	}
-
-	/*
-	 * If we couldn't find a local APIC, then get out of here now!
-	 */
-	if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid]) && !cpu_has_apic) {
-		printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
-			boot_cpu_physical_apicid);
-		printk(KERN_ERR "... forcing use of dummy APIC emulation. (tell your hw vendor)\n");
-		smpboot_clear_io_apic();
-		return -1;
-	}
-
-	verify_local_APIC();
-
-	/*
-	 * If SMP should be disabled, then really disable it!
-	 */
-	if (!max_cpus) {
-		smp_found_config = 0;
-		printk(KERN_INFO "SMP mode deactivated, forcing use of dummy APIC emulation.\n");
-
-		if (nmi_watchdog == NMI_LOCAL_APIC) {
-			printk(KERN_INFO "activating minimal APIC for NMI watchdog use.\n");
-			connect_bsp_APIC();
-			setup_local_APIC();
-			end_local_APIC_setup();
-		}
-		smpboot_clear_io_apic();
-		return -1;
-	}
-	return 0;
-}
-
-static void __init smp_cpu_index_default(void)
-{
-	int i;
-	struct cpuinfo_x86 *c;
-
-	for_each_cpu_mask(i, cpu_possible_map) {
-		c = &cpu_data(i);
-		/* mark all to hotplug */
-		c->cpu_index = NR_CPUS;
-	}
-}
-
-void __init native_smp_prepare_cpus(unsigned int max_cpus)
-{
- 	nmi_watchdog_default();
- 	smp_cpu_index_default();
- 	current_cpu_data = boot_cpu_data;
- 	cpu_callin_map = cpumask_of_cpu(0);
- 	mb();
-
-	/*
-	 * Setup boot CPU information
-	 */
-	smp_store_cpu_info(0); /* Final full version of the data */
-	boot_cpu_logical_apicid = logical_smp_processor_id();
-	current_thread_info()->cpu = 0;
-
-	set_cpu_sibling_map(0);
-
-	if (smp_sanity_check(max_cpus) < 0) {
-		printk(KERN_INFO "SMP disabled\n");
-		disable_smp();
-		return;
-	}
-
-	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_physical_apicid);
-		/* Or can we switch back to PIC here? */
-	}
-
-	connect_bsp_APIC();
-	setup_local_APIC();
-	end_local_APIC_setup();
-	map_cpu_to_logical_apicid();
-
-	setup_portio_remap();
-
-	smpboot_setup_io_apic();
-
-	printk(KERN_INFO "CPU%d: ", 0);
-	print_cpu_info(&cpu_data(0));
-	setup_boot_clock();
-}
-