From: Nathan Chancellor <nathan@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: Kees Cook <keescook@chromium.org>,
kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>
Subject: Re: aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `arch/arm64/kernel/ftrace.o' being placed in section `.eh_frame'
Date: Fri, 29 Jan 2021 18:25:05 -0700 [thread overview]
Message-ID: <20210130012505.GA2709570@localhost> (raw)
In-Reply-To: <202101300946.OtCDTkmd-lkp@intel.com>
On Sat, Jan 30, 2021 at 09:21:49AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: bec4c2968fce2f44ce62d05288a633cd99a722eb
> commit: b3e5d80d0c48c0cc7bce56473672f4e6e1210910 arm64/build: Warn on orphan section placement
> date: 5 months ago
> config: arm64-randconfig-r013-20210130 (attached as .config)
> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 275c6af7d7f1ed63a03d05b4484413e447133269)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # install arm64 cross compiling tool for clang build
> # apt-get install binutils-aarch64-linux-gnu
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3e5d80d0c48c0cc7bce56473672f4e6e1210910
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout b3e5d80d0c48c0cc7bce56473672f4e6e1210910
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> aarch64-linux-gnu-ld: warning: -z norelro ignored
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/main.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/version.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/do_mounts.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/do_mounts_rd.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/do_mounts_initrd.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/initramfs.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/calibrate.o' being placed in section `.eh_frame'
> aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `init/init_task.o' being placed in section `.eh_frame'
https://lore.kernel.org/lkml/20210130004650.2682422-1-nathan@kernel.org/
Cheers,
Nathan
prev parent reply other threads:[~2021-01-30 1:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-30 1:21 aarch64-linux-gnu-ld: warning: orphan section `.eh_frame' from `arch/arm64/kernel/ftrace.o' being placed in section `.eh_frame' kernel test robot
2021-01-30 1:25 ` Nathan Chancellor [this message]
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