Re: [PATCH 3/5] x86, acpi, cpu-hotplug: Introduce apicid_to_cpuid[] array to store persistent cpuid <-> apicid mapping.

Jiang Liu
2015-07-15T05:35:10Z

On 2015/7/15 11:33, Tang Chen wrote:
> Hi Mika,
>
> On 07/07/2015 07:14 PM, Mika Penttilä wrote:
>> I think you forgot to reserve CPU 0 for BSP in cpuid mask.
>
> Sorry for the late reply.
>
> I'm not familiar with BSP. Do you mean in get_cpuid(),
> I should reserve 0 for physical cpu0 in BSP ?
>
> Would you please share more detail ?

BSP stands for "Bootstrapping Processor". In other word,
BSP is CPU0.