linux-kernel - Re: [PATCH] tracing: Fix undelared ENOSYS in include/linux/tracepoint.h

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Date:	Mon, 21 Jun 2010 10:28:40 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Wu Zhangjin <wuzhangjin@...il.com>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Masami Hiramatsu <mhiramat@...hat.com>
Subject: Re: [PATCH] tracing: Fix undelared ENOSYS in
 include/linux/tracepoint.h

On Mon, 2010-06-21 at 19:09 +0800, Wu Zhangjin wrote:
> From: Wu Zhangjin <wuzhangjin@...il.com>
> 
> The header file include/linux/tracepoint.h may be included without
> include/linux/errno.h and then the compiler will fail on building for
> undelcared ENOSYS. This patch fixes this problem via including <linux/errno.h>
> to include/linux/tracepoint.h.
> 

Hi Wu,

I have not hit this. Did you hit this with mips? Does it need to get
into 2.6.35 or can it wait till 2.6.36?

-- Steve

> Signed-off-by: Wu Zhangjin <wuzhangjin@...il.com>
> ---
>  include/linux/tracepoint.h |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
> index 9a59d1f..103d1b6 100644
> --- a/include/linux/tracepoint.h
> +++ b/include/linux/tracepoint.h
> @@ -14,6 +14,7 @@
>   * See the file COPYING for more details.
>   */
>  
> +#include <linux/errno.h>
>  #include <linux/types.h>
>  #include <linux/rcupdate.h>
>  


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