Re: [Linux-Xtensa] [PATCH v2] perf: add support for the xtensaarchitecture

[Baruch Siach]

Hi perf maintainers,

Ping?

Anyone taking this for v3.14?

baruch

On Thu, Jan 02, 2014 at 09:57:10AM +0200, Baruch Siach wrote:
> Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
> ---
> v2: use the "core ID" field from /proc/cpuinfo (Max Filippov)
> ---
>  tools/perf/perf.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/tools/perf/perf.h b/tools/perf/perf.h
> index b079304bd53d..e441864dbe03 100644
> --- a/tools/perf/perf.h
> +++ b/tools/perf/perf.h
> @@ -132,6 +132,13 @@
>  #define CPUINFO_PROC	"CPU"
>  #endif
>  
> +#ifdef __xtensa__
> +#define mb()		asm volatile("memw" ::: "memory")
> +#define wmb()		asm volatile("memw" ::: "memory")
> +#define rmb()		asm volatile("" ::: "memory")
> +#define CPUINFO_PROC	"core ID"
> +#endif
> +
>  #define barrier() asm volatile ("" ::: "memory")
>  
>  #ifndef cpu_relax

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