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Date: Sat, 28 Feb 2009 15:40:44 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Uwe Kleine-Konig <u.kleine-koenig@...gutronix.de> Cc: kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu> Subject: Re: [PATCH] make CALLER_ADDRx overwriteable > The current definition of CALLER_ADDRx isn't suitable for all platforms. > E.g. for ARM __builtin_return_address(N) doesn't work for N > 0 and > AFAIK for powerpc there are no frame pointers needed to have a working > __builtin_return_address. This patch allows defining the CALLER_ADDRx > macros in <asm/ftrace.h> and let these take precedence. > > Because now <asm/ftrace.h> is included unconditionally in > <linux/ftrace.h> all archs that don't already had this include get an > empty one for free. > > Signed-off-by: Uwe Kleine-Konig <u.kleine-koenig@...gutronix.de> > Cc: Steven Rostedt <rostedt@...dmis.org> > Cc: Peter Zijlstra <peterz@...radead.org> > Cc: Ingo Molnar <mingo@...e.hu> > -- > Hello, > > OK, changed to check for HAVE_ARCH_CALLER_ADDR instead of CALLER_ADDR0. > > Best regards > Uwe thanks. Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> -- 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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