* vmlinux.o: warning: objtool: look_up_lock_class.isra.0()+0xe4: call to rcu_read_lock_any_held() leaves .noinstr.text section
@ 2021-08-14 9:20 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-14 9:20 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: kbuild-all, linux-kernel, Ingo Molnar
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dfa377c35d70c31139b1274ec49f87d380996c42
commit: 49faa77759b211fff344898edc23bb780707fff5 locking/lockdep: Improve noinstr vs errors
date: 8 weeks 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=49faa77759b211fff344898edc23bb780707fff5
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 49faa77759b211fff344898edc23bb780707fff5
# 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@intel.com>
All warnings (new ones prefixed by >>):
vmlinux.o: warning: objtool: do_machine_check()+0x5e9: call to memset() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: look_up_lock_class.isra.0()+0xe4: call to rcu_read_lock_any_held() leaves .noinstr.text section
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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2021-08-14 9:20 vmlinux.o: warning: objtool: look_up_lock_class.isra.0()+0xe4: call to rcu_read_lock_any_held() leaves .noinstr.text section kernel test robot
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