linux-kernel - vmlinux.o: warning: objtool: __sev_es_ist_exit()+0x32: call to ftrace_likely

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Date:   Sun, 14 Nov 2021 07:08:05 +0800
From:   kernel test robot <lkp@...el.com>
To:     Joerg Roedel <jroedel@...e.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Borislav Petkov <bp@...e.de>
Subject: vmlinux.o: warning: objtool: __sev_es_ist_exit()+0x32: call to
 ftrace_likely_update() leaves .noinstr.text section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ccfff0a2bd2a30de130b5623d242ddecd0272bc2
commit: 315562c9af3d583502b35c4b223a08d95ce69864 x86/sev-es: Adjust #VC IST Stack on entering NMI handler
date:   1 year, 2 months ago
config: x86_64-buildonly-randconfig-r005-20211028 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=315562c9af3d583502b35c4b223a08d95ce69864
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 315562c9af3d583502b35c4b223a08d95ce69864
        # save the attached .config to linux build tree
        mkdir build_dir
        make 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@...el.com>

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: idtentry_enter_nmi()+0x54: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: idtentry_exit_nmi()+0x75: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __wrgsbase_inactive()+0x33: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __rdgsbase_inactive()+0x30: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret()+0x7b: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_debug()+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi()+0x37: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: poke_int3_handler()+0x51: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_check_crashing_cpu()+0x37: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_machine_check()+0x3f: call to mce_rdmsrl() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_machine_check()+0x9a: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: __sev_es_ist_exit()+0x32: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: match_held_lock()+0x11c: call to rcu_read_lock_any_held() leaves .noinstr.text section
   vmlinux.o: warning: objtool: lock_is_held_type()+0x44: call to check_flags.part.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_dynticks_eqs_enter()+0x44: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit()+0x48: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_eqs_enter.constprop.0()+0x48: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_eqs_exit.constprop.0()+0x36: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_irq_exit()+0x29: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_nmi_enter()+0x3f: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_irq_enter()+0x29: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x4a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x46: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0x139: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x46: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x35: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit()+0x35: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: context_tracking_recursion_enter()+0x101: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __context_tracking_enter()+0x38: call to ftrace_likely_update() leaves .noinstr.text section

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

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