x86: add extra sanity check
This test exists in x86_64 and also applies to i386. So we add it
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 6be36d3..ae23b60 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -118,6 +118,12 @@
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!