From: kernel test robot <lkp@intel.com>
Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev
Subject: drivers/vfio/vfio.o: warning: objtool: vfio_iommu_group_notifier()+0x49f: unreachable instruction
Date: Sun, 5 Dec 2021 00:49:37 +0800 [thread overview]
Message-ID: <202112050000.Ugi0KRlZ-lkp@intel.com> (raw)
CC: linux-kernel@vger.kernel.org
TO: Christoph Hellwig <hch@lst.de>
CC: Alex Williamson <alex.williamson@redhat.com>
CC: Jason Gunthorpe <jgg@nvidia.com>
CC: Kevin Tian <kevin.tian@intel.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 12119cfa1052d512a92524e90ebee85029a918f8
commit: 3af917713230c8a6c3431e60601f0c7ad72eceb6 vfio: refactor noiommu group creation
date: 9 weeks ago
config: x86_64-randconfig-a001-20211204 (https://download.01.org/0day-ci/archive/20211205/202112050000.Ugi0KRlZ-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237)
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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3af917713230c8a6c3431e60601f0c7ad72eceb6
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 3af917713230c8a6c3431e60601f0c7ad72eceb6
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/
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 >>):
>> drivers/vfio/vfio.o: warning: objtool: vfio_iommu_group_notifier()+0x49f: unreachable instruction
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
reply other threads:[~2021-12-04 16:50 UTC|newest]
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