vmlinux.o: warning: objtool: do_machine_check()+0x39: call to mce_gather_info() leaves .noinstr.text section

vmlinux.o: warning: objtool: do_machine_check()+0x39: call to mce_gather_info() leaves .noinstr.text section

[kernel test robot]

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CC: linux-kernel@vger.kernel.org
TO: Nick Desaulniers <ndesaulniers@google.com>
CC: Kees Cook <keescook@chromium.org>
CC: Fangrui Song <maskray@google.com>
CC: Miguel Ojeda <ojeda@kernel.org>
CC: Nathan Chancellor <nathan@kernel.org>

Hi Nick,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a90af8f15bdc9449ee2d24e1d73fa3f7e8633f81
commit: 380d53c45ff21f66870ee965b62613137f9d010d compiler_attributes.h: define __no_profile, add to noinstr
date:   5 months ago
config: x86_64-buildonly-randconfig-r004-20211006 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c0039de2953d15815448b4b3c3bafb45607781e0)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=380d53c45ff21f66870ee965b62613137f9d010d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 380d53c45ff21f66870ee965b62613137f9d010d
        # save the attached .config to linux build tree
        mkdir build_dir
        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: in_task_stack()+0x10: call to task_stack_page() leaves .noinstr.text section
   vmlinux.o: warning: objtool: in_entry_stack()+0xd: call to cpu_entry_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_setup()+0x99: call to cpuid_eax() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: do_machine_check()+0x39: call to mce_gather_info() leaves .noinstr.text section
   vmlinux.o: warning: objtool: debug_locks_off()+0x24: call to console_verbose() leaves .noinstr.text section
   kallsyms failure: relative symbol value 0xffffffff0596a000 out of range in relative mode

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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vmlinux.o: warning: objtool: do_machine_check()+0x39: call to mce_gather_info() leaves .noinstr.text section

[kernel test robot]

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CC: linux-kernel(a)vger.kernel.org
TO: Nick Desaulniers <ndesaulniers@google.com>
CC: Kees Cook <keescook@chromium.org>
CC: Fangrui Song <maskray@google.com>
CC: Miguel Ojeda <ojeda@kernel.org>
CC: Nathan Chancellor <nathan@kernel.org>

Hi Nick,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a90af8f15bdc9449ee2d24e1d73fa3f7e8633f81
commit: 380d53c45ff21f66870ee965b62613137f9d010d compiler_attributes.h: define __no_profile, add to noinstr
date:   5 months ago
config: x86_64-buildonly-randconfig-r004-20211006 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c0039de2953d15815448b4b3c3bafb45607781e0)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=380d53c45ff21f66870ee965b62613137f9d010d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 380d53c45ff21f66870ee965b62613137f9d010d
        # save the attached .config to linux build tree
        mkdir build_dir
        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: in_task_stack()+0x10: call to task_stack_page() leaves .noinstr.text section
   vmlinux.o: warning: objtool: in_entry_stack()+0xd: call to cpu_entry_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_setup()+0x99: call to cpuid_eax() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: do_machine_check()+0x39: call to mce_gather_info() leaves .noinstr.text section
   vmlinux.o: warning: objtool: debug_locks_off()+0x24: call to console_verbose() leaves .noinstr.text section
   kallsyms failure: relative symbol value 0xffffffff0596a000 out of range in relative mode

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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