* vmlinux.o: warning: objtool: fixup_exception()+0x38d: unreachable instruction
@ 2022-03-28 5:06 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-03-28 5:06 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ae085d7f9365de7da27ab5c0d16b12d51ea7fca9
commit: ed53a0d971926e484d86cce617ec02a7ee85c3fe x86/alternative: Use .ibt_endbr_seal to seal indirect calls
date: 13 days ago
config: x86_64-randconfig-r036-20220328 (https://download.01.org/0day-ci/archive/20220328/202203281242.rB7iBQGD-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed53a0d971926e484d86cce617ec02a7ee85c3fe
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout ed53a0d971926e484d86cce617ec02a7ee85c3fe
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
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 >>):
>> vmlinux.o: warning: objtool: fixup_exception()+0x38d: unreachable instruction
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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