[kbuild-all] vmlinux.o: warning: objtool: svm_vcpu_enter_exit()+0xe: call to to_svm() leaves .noinstr.text section

CC: linux-kernel(a)vger.kernel.org TO: Paolo Bonzini <pbonzini(a)redhat.com&gt; CC: Sean Christopherson <seanjc(a)google.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1e16624d7b4376797ede36e3c955375cf0f23298 commit: 63129754178c5514f04bf6bdb891e33dfe58e58d KVM: SVM: Pass struct kvm_vcpu to exit handlers (and many, many other places) date: 4 months ago config: x86_64-buildonly-randconfig-r006-20210711 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 63129754178c5514f04bf6bdb891e33dfe58e58d # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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(a)intel.com&gt; All warnings (new ones prefixed by >>): vmlinux.o: warning: objtool: vmx_update_host_rsp()+0x32: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: vmx_vcpu_enter_exit()+0x7c: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: vmx_l1d_flush()+0xf: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: __svm_vcpu_run()+0xe4: BP used as a scratch register vmlinux.o: warning: objtool: __svm_sev_es_vcpu_run()+0x2a: BP used as a scratch register vmlinux.o: warning: objtool: fixup_bad_iret()+0x26: call to memset() leaves .noinstr.text section vmlinux.o: warning: objtool: safe_stack_exc_vmm_communication()+0x30: call to memset() leaves .noinstr.text section vmlinux.o: warning: objtool: rcu_nmi_enter()+0xd1: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: enter_from_user_mode()+0x2b: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x34: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x2b: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: exit_to_user_mode()+0x29: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0xdc: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x2b: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x30: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: debug_locks_off()+0x1e: call to __kcsan_check_access() leaves .noinstr.text section --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org