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x86: add extra sanity check

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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>
This commit is contained in:
Glauber de Oliveira Costa 2008-03-19 14:26:08 -03:00 committed by Ingo Molnar
parent 1db17f5534
commit 0df1ba8cab
1 changed files with 6 additions and 0 deletions
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6
arch/x86/kernel/smpboot_32.c
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@ -118,6 +118,12 @@ static void __init disable_smp(void)
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!