linux-kernel - [tip:x86/kdump 1/1] WARNING: modpost: vmlinux.o(.text+0x1e7210c): Section mismatch in reference from the function ima_free_kexec_buffer() to the function .meminit.text:memblock_phys

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Message-ID: <202206291039.yGgljGbx-lkp@intel.com>
Date:   Wed, 29 Jun 2022 10:52:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jonathan McDowell <noodles@...com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, x86@...nel.org,
        Borislav Petkov <bp@...e.de>, Mimi Zohar <zohar@...ux.ibm.com>,
        Baoquan He <bhe@...hat.com>
Subject: [tip:x86/kdump 1/1] WARNING: modpost: vmlinux.o(.text+0x1e7210c):
 Section mismatch in reference from the function ima_free_kexec_buffer() to
 the function .meminit.text:memblock_phys_free()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/kdump
head:   69243968bd526641e549ed231c750ce92e3eeb35
commit: 69243968bd526641e549ed231c750ce92e3eeb35 [1/1] x86/kexec: Carry forward IMA measurement log on kexec
config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20220629/202206291039.yGgljGbx-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project df18167ac56d05f2ab55f9d874aee7ab6d5bc9a2)
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/tip/tip.git/commit/?id=69243968bd526641e549ed231c750ce92e3eeb35
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip x86/kdump
        git checkout 69243968bd526641e549ed231c750ce92e3eeb35
        # 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@...el.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux.o(.text+0x1e7210c): Section mismatch in reference from the function ima_free_kexec_buffer() to the function .meminit.text:memblock_phys_free()
The function ima_free_kexec_buffer() references
the function __meminit memblock_phys_free().
This is often because ima_free_kexec_buffer lacks a __meminit
annotation or the annotation of memblock_phys_free is wrong.

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