[linux-next:master 6911/11568] vmlinux.o: warning: objtool: enter_from_user_mode+0xcd: call to preempt_count_add() leaves .noinstr.text section

[linux-next:master 6911/11568] vmlinux.o: warning: objtool: enter_from_user_mode+0xcd: call to preempt_count_add() leaves .noinstr.text section

[kernel test robot]

BCC: lkp@intel.com
CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Frederic Weisbecker <frederic@kernel.org>
CC: "Paul E. McKenney" <paulmck@kernel.org>
CC: Nicolas Saenz Julienne <nsaenzju@redhat.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   036ad6daa8f0fd357af7f50f9da58539eaa6f68c
commit: 171476775d32a40bfebf83250136c19b2e842672 [6911/11568] context_tracking: Convert state to atomic_t
config: x86_64-buildonly-randconfig-r002-20220718 (https://download.01.org/0day-ci/archive/20220719/202207191954.CZ56ehMv-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project fa0c7639e91fa1cd0cf2ff0445a1634a90fe850a)
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/next/linux-next.git/commit/?id=171476775d32a40bfebf83250136c19b2e842672
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 171476775d32a40bfebf83250136c19b2e842672
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        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 where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: fixup_bad_iret+0x26: call to memset() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: enter_from_user_mode+0xcd: call to preempt_count_add() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x266: call to preempt_count_add() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0xd0: call to preempt_count_add() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0xcd: call to preempt_count_add() leaves .noinstr.text section
   vmlinux.o: warning: objtool: balance_leaf+0x33ac: stack state mismatch: cfa1=4+232 cfa2=4+224
   vmlinux.o: warning: objtool: balance_internal+0x133c: stack state mismatch: cfa1=4+256 cfa2=4+264
   vmlinux.o: warning: objtool: .text.exynos_iommu_iova_to_phys: unexpected end of section
   vmlinux.o: warning: objtool: .text.exynos_iommu_map: unexpected end of section
   vmlinux.o: warning: objtool: .text.exynos_iommu_unmap: unexpected end of section
   vmlinux.o: warning: objtool: .text.exynos_iommu_domain_free: unexpected end of section
   vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x3c: relocation to !ENDBR: twofish_enc_blk+0xaf


objdump-func vmlinux.o enter_from_user_mode+0xcd: call to preempt_count_add:

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