linux-kernel - Re: [PATCH v2 60/76] perf, ARC: Enable building perf tools for ARC

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Date:	Wed, 23 Jan 2013 17:01:34 +0530
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
CC:	<linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<arnd@...db.de>, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v2 60/76] perf, ARC: Enable building perf tools for ARC

On Friday 18 January 2013 05:55 PM, Vineet Gupta wrote:
> Although with uClibc there's more we need to do
> 
> Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
> ---
>  tools/perf/perf.h |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/tools/perf/perf.h b/tools/perf/perf.h
> index 2c340e7..8a68ad3 100644
> --- a/tools/perf/perf.h
> +++ b/tools/perf/perf.h
> @@ -98,6 +98,12 @@ void get_term_dimensions(struct winsize *ws);
>  #define CPUINFO_PROC	"cpu model"
>  #endif
>  
> +#ifdef __arc__
> +#define rmb()		asm volatile("" ::: "memory")
> +#define cpu_relax()	rmb()
> +#define CPUINFO_PROC	"Processor"
> +#endif
> +
>  #include <time.h>
>  #include <unistd.h>
>  #include <sys/types.h>
> 

Hi Arnaldo,

If this looks OK to you, can you please ACK it.

Thx,
-Vineet


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