linux-kernel - Re: [PATCH v2 net-next 02/10] perf: remove unused _

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Date:	Thu, 7 Apr 2016 22:54:30 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Alexei Starovoitov <ast@...com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	"David S . Miller" <davem@...emloft.net>,
	Ingo Molnar <mingo@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Wang Nan <wangnan0@...wei.com>, Josef Bacik <jbacik@...com>,
	Brendan Gregg <brendan.d.gregg@...il.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-team@...com
Subject: Re: [PATCH v2 net-next 02/10] perf: remove unused __addr variable

On Wed, Apr 06, 2016 at 06:43:23PM -0700, Alexei Starovoitov wrote:
> now all calls to perf_trace_buf_submit() pass 0 as 4th
> argument which will be repurposed in the next patch which will
> change the meaning of 1st arg of perf_tp_event() to event_type
> 
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>
> ---
>  include/trace/perf.h         | 7 ++-----
>  include/trace/trace_events.h | 3 ---
>  2 files changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/include/trace/perf.h b/include/trace/perf.h
> index 26486fcd74ce..6f7e37869065 100644
> --- a/include/trace/perf.h
> +++ b/include/trace/perf.h
> @@ -20,9 +20,6 @@
>  #undef __get_bitmask
>  #define __get_bitmask(field) (char *)__get_dynamic_array(field)
>  
> -#undef __perf_addr
> -#define __perf_addr(a)	(__addr = (a))
> -

Ah, we're not using that anylonger..

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>