From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: linux-next: build failure after merge of the tip tree Date: Wed, 7 Dec 2016 08:45:14 +0100 Message-ID: <20161207074514.GA10616@gmail.com> References: <20161207123711.795d97bb@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20161207123711.795d97bb@canb.auug.org.au> Sender: linux-kernel-owner@vger.kernel.org To: Stephen Rothwell , Arnaldo Carvalho de Melo , Jiri Olsa , Peter Foley , Wang Nan Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-next.vger.kernel.org Cc:-ing Arnaldo, Jiri, Wang Nan and Peter Foley - bug report quoted below. This bug/race might have been introduced in the latest tooling bits: 34c4a42791bb Merge tag 'perf-core-for-mingo-20161205' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Which included these build system changes: triton:~/tip> gll 78987584de42..perf/core 34c4a42791bb Merge tag 'perf-core-for-mingo-20161205' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core bec60e50af83 perf annotate: Show raw form for jump instruction with indirect target d4dcadec43de perf tools: Add non config targets 207da4739e3e perf tools: Cleanup build directory before each test 0b4d4b076251 perf tools: Move python/perf.so target into rules area 5c319a67b13d perf tools: Move install-gtk target into rules area 2fedf79b69cf tools build: Move tabs to spaces where suitable a5ba0a1a5af3 tools build: Make the .cmd file more readable edd695b032ba perf clang: Compile BPF script using builtin clang support 5e08a76525b8 perf clang: Support compile IR to BPF object and add testcase e67d52d411c3 perf clang: Update test case to use real BPF script a9495fe9dc63 perf clang: Allow passing CFLAGS to builtin clang 77dfa84a843c perf clang: Use real file system for #include 00b86691c77c perf clang: Add builtin clang support ant test case d58ac0bf8d1e perf build: Add clang and llvm compile and linking support c7fb4f62e2a9 tools build: Add feature detection for clang cb40d55b595c tools build: Add feature detection for LLVM 2bd42de0e196 perf llvm: Extract helpers in llvm-utils.c 8ad85e9e6fda perf tools: Pass context to perf hook functions baa1973ebcf6 tools build: Fix objtool build with clang 1cd6472e3f8d tools build: Make fixdep parsing wait for last target Thanks, Ingo * Stephen Rothwell wrote: > Hi all, > > After merging the tip tree, today's linux-next build (powerpc64le perf) > failed like this: > > LINK /home/sfr/next/perf/fixdep > /bin/sh: 1: /home/sfr/next/perf//fixdep: Permission denied > tools/build/Makefile.build:91: recipe for target '/home/sfr/next/perf/pmu-events/jevents.o' failed > > $ ls -l /home/sfr/next/perf/fixdep > -rwxr-xr-x 1 sfr users 71104 Dec 7 12:26 /home/sfr/next/perf/fixdep > > I am not sure what caused this, but redoing the build succeeded, so I > have just filed this report and left it for today.