linux-kernel - [atishp04:kvm_perf_rfc_buildtest 15/24] WARNING: modpost: vmlinux.o(.text+0xa708): Section mismatch in reference from the function early_memremap_prot() to the function .init.text:early

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Message-ID: <202207180359.UjMwipSN-lkp@intel.com>
Date:   Mon, 18 Jul 2022 03:16:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Atish Patra <atishp@...osinc.com>
Cc:     kbuild-all@...ts.01.org, Atish Patra <Atish.Patra@....com>,
        linux-kernel@...r.kernel.org
Subject: [atishp04:kvm_perf_rfc_buildtest 15/24] WARNING: modpost:
 vmlinux.o(.text+0xa708): Section mismatch in reference from the function
 early_memremap_prot() to the function .init.text:early_ioremap()

tree:   https://github.com/atishp04/linux kvm_perf_rfc_buildtest
head:   ff2f56ec4ff4f67ae3da3936939b1dcf53099a6e
commit: 5faed77192c5455fe17fb4e6aea87e5bcc48a13d [15/24] COVER
config: loongarch-randconfig-c004-20220717 (https://download.01.org/0day-ci/archive/20220718/202207180359.UjMwipSN-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
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://github.com/atishp04/linux/commit/5faed77192c5455fe17fb4e6aea87e5bcc48a13d
        git remote add atishp04 https://github.com/atishp04/linux
        git fetch --no-tags atishp04 kvm_perf_rfc_buildtest
        git checkout 5faed77192c5455fe17fb4e6aea87e5bcc48a13d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch 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+0xa708): Section mismatch in reference from the function early_memremap_prot() to the function .init.text:early_ioremap()
The function early_memremap_prot() references
the function __init early_ioremap().
This is often because early_memremap_prot lacks a __init
annotation or the annotation of early_ioremap is wrong.

Note: the below error/warnings can be found in parent commit:
<< WARNING: modpost: vmlinux.o(.text.unlikely+0x15e40): Section mismatch in reference from the variable L0. to the function .init.text:early_ioremap()

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