[PATCH] x86-64: Don't trust boot_cpu_id in the mptable.
It could be wrong for kexec or other cases. Read it from the CPU instead. Signed-off-by: Murali <muralim@in.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -622,8 +622,7 @@ void __init init_apic_mappings(void)
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* Fetch the APIC ID of the BSP in case we have a
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* default configuration (or the MP table is broken).
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*/
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if (boot_cpu_id == -1U)
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boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
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boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
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#ifdef CONFIG_X86_IO_APIC
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{
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