From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42723 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966399AbcIYPDX (ORCPT ); Sun, 25 Sep 2016 11:03:23 -0400 Date: Sun, 25 Sep 2016 17:03:26 +0200 From: Greg KH To: Arnd Bergmann Cc: linaro-kernel@lists.linaro.org, Build bot for Mark Brown , kernel-build-reports@lists.linaro.org, stable@vger.kernel.org Subject: Re: v4.7.5 build: 0 failures 2 warnings (v4.7.5) Message-ID: <20160925150326.GA14262@kroah.com> References: <2364242.iAJVmYQbD8@wuerfel> <20160925132718.GA8415@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160925132718.GA8415@kroah.com> Sender: stable-owner@vger.kernel.org List-ID: Hi Arnd, I'm getting the following build warnings on the 4.7-stable tree, any ideas what they are from: In file included from ../kernel/trace/trace_irqsoff.c:15:0: ../kernel/trace/trace_irqsoff.c: In function ‘stop_critical_timings’: ../include/linux/ftrace.h:703:36: warning: calling ‘__builtin_return_address’ with a nonzero argument is unsafe [-Wframe-address] # define ftrace_return_address(n) __builtin_return_address(n) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/ftrace.h:710:38: note: in expansion of macro ‘ftrace_return_address’ #define CALLER_ADDR1 ((unsigned long)ftrace_return_address(1)) ^~~~~~~~~~~~~~~~~~~~~ ../kernel/trace/trace_irqsoff.c:433:38: note: in expansion of macro ‘CALLER_ADDR1’ stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1); ^~~~~~~~~~~~ It shows up in a few other places as well with this signature. Same goes for the 4.4-stable tree thanks, greg k-h