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.
That's nice for such system-wide changes to be done at the last possible
minute in the development cycle :(
Anyway, someone from the trace subsystem wish to send me a patch for
this?
thanks,
greg k-h
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