linux-kernel - Re: [PATCH] mac80211: Move message tracepoints to their own header

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Date:	Tue, 07 Apr 2015 08:58:58 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-wireless@...r.kernel.org
Subject: Re: [PATCH] mac80211: Move message tracepoints to their own header

On Mon, 2015-04-06 at 23:13 -0400, Steven Rostedt wrote:
> Every tracing file must have its own TRACE_SYSTEM defined.

Oh, that requirement is new to me. I also have the same in iwlwifi, with
even more TRACE_SYSTEMs.

> The mac80211 tracepoint header broke this and add in the middle
> of the file had:
> 
>  #undef TRACE_SYSTEM
>  #define TRACE_SYSTEM mac80211_msg
> 
> Unfortunately, this broke new code in the ftrace infrastructure.
> Moving the mac80211_msg into its own trace file with its own
> TRACE_SYSTEM defined fixes the issue.



> Cc: Johannes Berg <johannes@...solutions.net>
> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>

Looks fine to me.

Reviewed-by: Johannes Berg <johannes@...solutions.net>

I could merge through my tree but I guess you'll want to put it through
a different one to be able to change the code that depends on this move.

johannes

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