[peterz-queue:x86/paravirt 18/18] vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0x87: call to __memset() leaves .noinstr.text section

[peterz-queue:x86/paravirt 18/18] vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0x87: call to __memset() leaves .noinstr.text section

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: Peter Zijlstra <peterz@infradead.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/paravirt
head:   7dc4121e82ff23c3e6d28e3befb6fa091e1203dd
commit: 7dc4121e82ff23c3e6d28e3befb6fa091e1203dd [18/18] objtool: Support pv_opsindirect calls for noinstr
:::::: branch date: 17 hours ago
:::::: commit date: 17 hours ago
config: x86_64-randconfig-s022-20210622 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=7dc4121e82ff23c3e6d28e3befb6fa091e1203dd
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue x86/paravirt
        git checkout 7dc4121e82ff23c3e6d28e3befb6fa091e1203dd
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 

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: vc_switch_off_ist()+0x15: call to ip_within_syscall_gap.isra.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_setup()+0xf: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_machine_check()+0x4a: call to mce_gather_info() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0x87: call to __memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode()+0x3b: call to on_thread_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x46: call to on_thread_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x3b: call to on_thread_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x3b: call to on_thread_stack() leaves .noinstr.text section

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

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