linux-kernel - Re: [PATCH 01/16] perf, persistent: Fix build error for no-tracepoints configs

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Message-ID: <20130531090527.GB14076@nazgul.tnic>
Date:	Fri, 31 May 2013 11:05:27 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Robert Richter <rric@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org,
	Robert Richter <robert.richter@...xeda.com>
Subject: Re: [PATCH 01/16] perf, persistent: Fix build error for
 no-tracepoints configs

On Fri, May 31, 2013 at 10:47:21AM +0200, Robert Richter wrote:
> From: Robert Richter <robert.richter@...xeda.com>
> 
> The mce_record tracepoint needs tracepoints to be enabled. Fixing
> build error for no-tracepoints configs.
> 
> Signed-off-by: Robert Richter <robert.richter@...xeda.com>
> ---
>  arch/x86/kernel/cpu/mcheck/mce.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
> index 0ecf4a2..d421937 100644
> --- a/arch/x86/kernel/cpu/mcheck/mce.c
> +++ b/arch/x86/kernel/cpu/mcheck/mce.c
> @@ -1987,6 +1987,8 @@ int __init mcheck_init(void)
>  	return 0;
>  }
>  
> +#ifdef CONFIG_TRACEPOINTS
> +
>  int __init mcheck_init_tp(void)
>  {
>  	if (perf_add_persistent_event_by_id(event_mce_record.event.type)) {
> @@ -2001,6 +2003,8 @@ int __init mcheck_init_tp(void)
>   */
>  fs_initcall_sync(mcheck_init_tp);
>  
> +#endif /* CONFIG_TRACEPOINTS */
> +

Right, since my persistent patches are in no tree yet, we should merge
this one with, I think, the last one in my set and keep them all
together.

Thanks.
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