linux-kernel - Re: [PATCH -mm] tracing: Fix section mismatch in trace_hw

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Date:	Sun, 15 Feb 2009 20:41:16 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Rakib Mullick <rakib.mullick@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, markus.t.metzger@...il.com
Subject: Re: [PATCH -mm] tracing: Fix section mismatch in
	trace_hw_branches.c


* Rakib Mullick <rakib.mullick@...il.com> wrote:

>   Impact: Fix section mismatch
> 
> The function bts_trace_init() references a variable
> bts_hotcpu_notifier which is marked
> as __cpuinitdata. Thus causes section mismatch. This patch fixes it.
> 
>   LD      kernel/trace/built-in.o
> WARNING: kernel/trace/built-in.o(.text+0xc90c): Section mismatch in
> reference from the function bts_trace_init() to the variable
> .cpuinit.data:bts_hotcpu_notifier
> The function bts_trace_init() references
> the variable __cpuinitdata bts_hotcpu_notifier.
> This is often because bts_trace_init lacks a __cpuinitdata
> annotation or the annotation of bts_hotcpu_notifier is wrong.
> 
> WARNING: kernel/trace/built-in.o(.text+0xc92a): Section mismatch in
> reference from the function bts_trace_reset() to the variable
> .cpuinit.data:bts_hotcpu_notifier
> The function bts_trace_reset() references
> the variable __cpuinitdata bts_hotcpu_notifier.
> This is often because bts_trace_reset lacks a __cpuinitdata
> annotation or the annotation of bts_hotcpu_notifier is wrong.
> 
> Thanks.

Applied to tip:tracing/hw-branch-tracing, thanks Rakib!

	Ingo
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