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Subject: Re: [PATCH] perf: export perf_trace_regs and
 perf_arch_fetch_caller_regs
From: Peter Zijlstra <peterz@infradead.org>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>, Frederic Weisbecker <fweisbec@gmail.com>,
       Paul Mackerras <paulus@samba.org>,
       Arnaldo Carvalho de Melo <acme@infradead.org>,
       LKML <linux-kernel@vger.kernel.org>
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Date: Thu, 11 Mar 2010 09:39:16 +0100
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On Thu, 2010-03-11 at 15:30 +0800, Xiao Guangrong wrote:
>  #include "trace.h"
>  
>  DEFINE_PER_CPU(struct pt_regs, perf_trace_regs);
> +EXPORT_SYMBOL_GPL(perf_trace_regs);

Shouldn't that be:

EXPORT_PER_CPU_SYMBOL_GPL(perf_trace_regs); ?