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

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Message-ID: <52598770.6090309@zytor.com>
Date:	Sat, 12 Oct 2013 10:31:28 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	mingo@...nel.org, linux-kernel@...r.kernel.org, tglx@...utronix.de,
	d.hatayama@...fujitsu.com, hpa@...ux.intel.com,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/bsp-hotplug] x86, apic: Disable BSP if boot cpu is AP

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@...fujitsu.com>
> AuthorDate: Thu, 29 Aug 2013 18:28:04 +0900
> Committer:  H. Peter Anvin <hpa@...ux.intel.com>
> 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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