linux-kernel - [nsaenz-rpi:ct-work-defer-wip 25/25] vmlinux.o: warning: objtool: ct_enter_work+0x135: call to __flush_tlb

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Date:   Tue, 17 May 2022 04:44:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nicolas Saenz Julienne <nsaenzju@...hat.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [nsaenz-rpi:ct-work-defer-wip 25/25] vmlinux.o: warning: objtool:
 ct_enter_work+0x135: call to __flush_tlb_all() leaves .noinstr.text section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/nsaenz/linux-rpi.git ct-work-defer-wip
head:   ed63029652239a6befad96dd473b16332913f889
commit: ed63029652239a6befad96dd473b16332913f889 [25/25] context_tracking,x86: Fix Kernel cachei vs NOHZ_FULL
config: x86_64-randconfig-a014-20220516 (https://download.01.org/0day-ci/archive/20220517/202205170451.WsdoDOQq-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/nsaenz/linux-rpi.git/commit/?id=ed63029652239a6befad96dd473b16332913f889
        git remote add nsaenz-rpi https://git.kernel.org/pub/scm/linux/kernel/git/nsaenz/linux-rpi.git
        git fetch --no-tags nsaenz-rpi ct-work-defer-wip
        git checkout ed63029652239a6befad96dd473b16332913f889
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        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: vmx_l1d_flush+0x13: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: vmx_vcpu_enter_exit+0x24: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: vmx_update_host_rsp+0x3e: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode+0x1c: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x21: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x1c: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exit_to_user_mode+0x17: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_exit_to_user_mode+0x31: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x1c: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit_to_user_mode+0x1e: call to static_key_count() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: ct_enter_work+0x135: call to __flush_tlb_all() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __ct_user_exit+0x59: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __ct_user_enter+0xd6: call to __kcsan_check_access() leaves .noinstr.text section

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