Re: [tip:x86/bsp-hotplug] x86, apic: Disable BSP if boot cpu is AP

From: H. Peter Anvin
Date: Sat Oct 12 2013 - 13:32:51 EST


On 10/09/2013 04:16 PM, tip-bot for HATAYAMA Daisuke wrote:
> Commit-ID: 1d79e607332d67d9132c176d99b5e7fabe1b6b7f
> Gitweb: http://git.kernel.org/tip/1d79e607332d67d9132c176d99b5e7fabe1b6b7f
> Author: HATAYAMA Daisuke <d.hatayama@xxxxxxxxxxxxxx>
> AuthorDate: Thu, 29 Aug 2013 18:28:04 +0900
> Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
> CommitDate: Wed, 9 Oct 2013 15:41:11 -0700
>
> x86, apic: Disable BSP if boot cpu is AP

This patch seems to trigger build failures in some configurations.
Specifically:

(.init.text+0x1307): undefined reference to `boot_cpu_is_bsp_init'

Unfortunately I don't have the specific configuration which triggers the
failure, as this was discovered by Fengguang's robot.

-hpa

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