The patch to arch/i386/kernel/cpu/amd.c relies on the variable cpu_core_id which is defined in i386/kernel/smpboot.c. This means it is only present if CONFIG_X86_SMP is defined, not CONFIG_SMP (alternative SMP harnesses won't have it, which is why it breaks voyager).
Signed-off-by: James Bottomley <[EMAIL PROTECTED]> arch/i386/kernel/cpu/amd.c: 8d182e875cd72e64b49869386bf090ba23df6793 --- a/arch/i386/kernel/cpu/amd.c +++ b/arch/i386/kernel/cpu/amd.c @@ -24,7 +24,7 @@ __asm__(".align 4\nvide: ret"); static void __init init_amd(struct cpuinfo_x86 *c) { -#ifdef CONFIG_SMP +#ifdef CONFIG_X86_SMP int cpu = c == &boot_cpu_data ? 0 : c - cpu_data; #endif u32 l, h; @@ -198,7 +198,7 @@ static void __init init_amd(struct cpuin c->x86_num_cores = 1; } -#ifdef CONFIG_SMP +#ifdef CONFIG_X86_SMP /* * On a AMD dual core setup the lower bits of the APIC id * distingush the cores. Assumes number of cores is a power - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/