linux-kernel - Re: [PATCH] 2.6.19-rc1: Fix build breakage with CONFIG

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Message-ID: <17715.3265.870339.317367@cargo.ozlabs.ibm.com>
Date:	Mon, 16 Oct 2006 14:38:25 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Srinivasa Ds <srinivasa@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, torvalds@...l.org
Subject: Re: [PATCH] 2.6.19-rc1: Fix build breakage with CONFIG_PPC32

Srinivasa Ds writes:

> arch/powerpc/platforms/built-in.o: In function `flush_disable_caches':
> (.text+0x96d4): undefined reference to `low_cpu_die'
> ======================================================
> low_cpu_die() is defined under  CONFIG_PM || CONFIG_CPU_FREQ_PMAC  
> options ,but while calling this function ,no care has been to taken to 
> check these options. So please apply this fix,which solves the problem.

Nack.  The correct fix is to adjust the ifdefs in sleep.S to make
low_cpu_die available.  Otherwise it won't be possible to off-line
CPUs properly.

Paul.
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