linux-kernel - [jpoimboe:objtool-run 19/35] vmlinux.o: warning: objtool: exit_to_user_mode+0x10: call to static_key_count.constprop.0() leaves .noinstr.text section

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Message-ID: <202204160031.TT2073NX-lkp@intel.com>
Date:   Sat, 16 Apr 2022 00:22:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jpoimboe:objtool-run 19/35] vmlinux.o: warning: objtool:
 exit_to_user_mode+0x10: call to static_key_count.constprop.0() leaves
 .noinstr.text section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git objtool-run
head:   b8646d8664875281b48db7752d3dc7880b7561e1
commit: f2bec70312f62ef4f1ea21c134d9def627182ad3 [19/35] objtool: Don't print parentheses in function addresses
config: x86_64-randconfig-a006 (https://download.01.org/0day-ci/archive/20220416/202204160031.TT2073NX-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git/commit/?id=f2bec70312f62ef4f1ea21c134d9def627182ad3
        git remote add jpoimboe https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git
        git fetch --no-tags jpoimboe objtool-run
        git checkout f2bec70312f62ef4f1ea21c134d9def627182ad3
        # save the config file 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: __do_fast_syscall_32+0x1b: call to static_key_count.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_syscall_64+0xc: call to static_key_count.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_int80_syscall_32+0x1b: call to static_key_count.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode+0x18: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x1d: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x18: call to __kcsan_check_access() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: exit_to_user_mode+0x10: call to static_key_count.constprop.0() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: syscall_exit_to_user_mode+0x29: call to static_key_count.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x18: call to __kcsan_check_access() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: irqentry_exit_to_user_mode+0x17: call to static_key_count.constprop.0() leaves .noinstr.text section

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