linux-kernel - Re: linux-next: build warnings after merge of the char-misc tree

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Message-ID: <20150413133413.GB30086@kroah.com>
Date:	Mon, 13 Apr 2015 15:34:13 +0200
From:	Greg KH <greg@...ah.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: Re: linux-next: build warnings after merge of the char-misc tree

On Mon, Apr 13, 2015 at 07:37:20PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the char-misc tree, today's linux-next build (x86_64
> allmodconfig) produced these warnings:
> 
> In file included from include/trace/define_trace.h:90:0,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> include/trace/ftrace.h:28:0: warning: "TRACE_SYSTEM_STRING" redefined
>  #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
>  ^
> In file included from include/trace/define_trace.h:83:0,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> drivers/misc/mei/./mei-trace.h:29:0: note: this is the location of the previous definition
>  #define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
>  ^
> In file included from include/trace/ftrace.h:134:0,
>                  from include/trace/define_trace.h:90,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> drivers/misc/mei/./mei-trace.h:29:0: warning: "TRACE_SYSTEM_STRING" redefined
>  #define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
>  ^
> In file included from include/trace/define_trace.h:90:0,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> include/trace/ftrace.h:28:0: note: this is the location of the previous definition
>  #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
>  ^
> In file included from include/trace/define_trace.h:90:0,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> include/trace/ftrace.h:28:0: warning: "TRACE_SYSTEM_STRING" redefined
>  #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
>  ^
> In file included from include/trace/define_trace.h:83:0,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> drivers/misc/mei/./mei-trace.h:29:0: note: this is the location of the previous definition
>  #define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
>  ^
> In file included from include/trace/ftrace.h:134:0,
>                  from include/trace/define_trace.h:90,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> drivers/misc/mei/./mei-trace.h:29:0: warning: "TRACE_SYSTEM_STRING" redefined
>  #define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
>  ^
> In file included from include/trace/define_trace.h:90:0,
>                  from drivers/misc/mei/mei-trace.h:76,
>                  from drivers/misc/mei/mei-trace.c:21:
> include/trace/ftrace.h:28:0: note: this is the location of the previous definition
>  #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
>  ^
> 
> Introduced by commit a0a927d06d79 ("mei: me: add io register tracing")
> interacting with commit acd388fd3af3 ("tracing: Give system name a
> pointer") from the ftrace tree.
> 
> TRACE_SYSTEM_STRING should be removed from drivers/misc/mei/mei-trace.h
> as it is not being used anywhere in the mei-trace code.

Now removed, thanks.

greg k-h
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