[linux-stable-rc:linux-5.10.y 7114/7120] arch/x86/kernel/kvm.o: warning: objtool: __raw_callee_save___kvm_vcpu_is_preempted()+0x12: 'naked' return found in RETHUNK build

From: kernel test robot
Date: Tue Jul 12 2022 - 18:40:53 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
head: 53b881e19526bcc3e51d9668cab955c80dcf584c
commit: 892f1f2b8631df5bdd0baba6e1ee3fa6eff396d0 [7114/7120] x86/retbleed: Add fine grained Kconfig knobs
config: x86_64-rhel-8.3-syz (https://download.01.org/0day-ci/archive/20220713/202207130605.fX0cfbtW-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=892f1f2b8631df5bdd0baba6e1ee3fa6eff396d0
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-5.10.y
git checkout 892f1f2b8631df5bdd0baba6e1ee3fa6eff396d0
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/kvm.o: warning: objtool: __raw_callee_save___kvm_vcpu_is_preempted()+0x12: 'naked' return found in RETHUNK build

--
0-DAY CI Kernel Test Service
https://01.org/lkp