[intel-tdx:kvm-upstream-workaround 27/402] vmlinux.o: warning: objtool: kvm_guest_init()+0xba: relocation to !ENDBR: __raw_callee_save___kvm_vcpu_is_preempted()+0x0

[kernel test robot <lkp@intel.com>]

BCC: lkp@intel.com
CC: linux-kernel@vger.kernel.org
TO: Li RongQing <lirongqing@baidu.com>
CC: Isaku Yamahata <isaku.yamahata@intel.com>
CC: Paolo Bonzini <pbonzini@redhat.com>

tree:   https://github.com/intel/tdx.git kvm-upstream-workaround
head:   ac4f0c947148ba45f7a99d3e0c1779d299fbb2c1
commit: 7d00d7d179ef40ccdc3ce3f4b52a87a5ff83e0de [27/402] KVM: x86: Support the vCPU preemption check with nopvspin and realtime hint
config: x86_64-randconfig-a001-20220516 (https://download.01.org/0day-ci/archive/20220517/202205170436.lsY31f4S-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 853fa8ee225edf2d0de94b0dcbd31bea916e825e)
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://github.com/intel/tdx/commit/7d00d7d179ef40ccdc3ce3f4b52a87a5ff83e0de
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx kvm-upstream-workaround
        git checkout 7d00d7d179ef40ccdc3ce3f4b52a87a5ff83e0de
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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: ibt_selftest()+0xf: sibling call from callable instruction with modified stack frame
>> vmlinux.o: warning: objtool: kvm_guest_init()+0xba: relocation to !ENDBR: __raw_callee_save___kvm_vcpu_is_preempted()+0x0
   vmlinux.o: warning: objtool: sync_regs()+0x28: call to memcpy() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret()+0x2a: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: in_task_stack()+0x14: call to task_stack_page() leaves .noinstr.text section
   vmlinux.o: warning: objtool: in_entry_stack()+0x18: call to cpu_entry_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi()+0x117: call to __kasan_check_read() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_page_fault()+0x3b: call to __kasan_check_read() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ibt_selftest()+0x19: return with modified stack frame

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