x86: avoid early crash in disable_local_APIC()
E.g. when called due to an early panic. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -895,6 +895,10 @@ void disable_local_APIC(void)
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{
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unsigned int value;
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/* APIC hasn't been mapped yet */
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if (!apic_phys)
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return;
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clear_local_APIC();
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/*
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