linux-kernel - WARNING: modpost: vmlinux.o(.text+0xb8b8): Section mismatch in reference from the function reserve_exception_space() to the function .meminit.text:memblock

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Message-ID: <202103130144.vMEQAKPe-lkp@intel.com>
Date:   Sat, 13 Mar 2021 01:56:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Serge Semin <fancer.lancer@...il.com>
Subject: WARNING: modpost: vmlinux.o(.text+0xb8b8): Section mismatch in
 reference from the function reserve_exception_space() to the function
 .meminit.text:memblock_reserve()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f78d76e72a4671ea52d12752d92077788b4f5d50
commit: bd67b711bfaa02cf19e88aa2d9edae5c1c1d2739 MIPS: kernel: Reserve exception base early to prevent corruption
date:   3 days ago
config: mips-randconfig-p002-20210312 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
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/torvalds/linux.git/commit/?id=bd67b711bfaa02cf19e88aa2d9edae5c1c1d2739
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout bd67b711bfaa02cf19e88aa2d9edae5c1c1d2739
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

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 >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux.o(.text+0xb8b8): Section mismatch in reference from the function reserve_exception_space() to the function .meminit.text:memblock_reserve()
The function reserve_exception_space() references
the function __meminit memblock_reserve().
This is often because reserve_exception_space lacks a __meminit
annotation or the annotation of memblock_reserve is wrong.

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

Download attachment ".config.gz" of type "application/gzip" (24924 bytes)