x86: use physical id when disabling smp

if smp configuration is not found at all, hook into 0.
This is done to match x86_64

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

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 75fb5064af66b7baf20bb9081eae15e6aebe2b48..14db038b6b48bced259294d9fe198637721865ba 100644 (file)
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -106,7 +106,11 @@ 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();
-       phys_cpu_present_map = physid_mask_of_physid(0);
+       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));