vmlinux.o: warning: objtool: do_machine_check()+0x5dc: call to memset() leaves .noinstr.text section
From: kernel test robot
Date: Fri Aug 13 2021 - 13:01:41 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f8e6dfc64f6135d1b6c5215c14cd30b9b60a0008
commit: 7bb39313cd6239e7eb95198950a02b4ad2a08316 x86/mce: Make mce_timed_out() identify holdout CPUs
date: 7 months ago
config: x86_64-buildonly-randconfig-r001-20210812 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bb39313cd6239e7eb95198950a02b4ad2a08316
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 7bb39313cd6239e7eb95198950a02b4ad2a08316
# save the attached .config 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@xxxxxxxxx>
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: do_machine_check()+0x5dc: call to memset() leaves .noinstr.text section
vmlinux.o: warning: objtool: match_held_lock()+0x10e: call to rcu_read_lock_any_held() leaves .noinstr.text section
vmlinux.o: warning: objtool: lock_is_held_type()+0x62: call to check_flags() leaves .noinstr.text section
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip