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Date: Mon, 13 Apr 2015 12:43:28 +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. 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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