On Sat, 23 Oct 2010, Yinghai Lu wrote:

quoted text
> It is almost the same as smp_register_lapic_addr()
> 
> Just need to make smp_read_mpc() call smp_register_lapic_addr when early==1.

quoted text
> @@ -289,17 +289,13 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
>  #ifdef CONFIG_X86_32
>  	generic_mps_oem_check(mpc, oem, str);
>  #endif
> -	/* save the local APIC address, it might be non-default */
> +	/* Initialize the lapic mapping */
>  	if (!acpi_lapic)
> -		mp_lapic_addr = mpc->lapic;
> +		smp_register_lapic_address(mpc->lapic);

How is this restricted to early == 1 ? It's called unconditionally
which is nonsense.

Thanks,

	tglx
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