linux-kernel - [linux-stable-rc:linux-4.9.y 9927/9999] fs/ceph/export.o: warning: objtool: .text.unlikely: unexpected end of section

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Message-ID: <202107280723.q0HX5T0Y-lkp@intel.com>
Date:   Wed, 28 Jul 2021 07:34:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Qiujun Huang <hqjagain@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jeff Layton <jlayton@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [linux-stable-rc:linux-4.9.y 9927/9999] fs/ceph/export.o: warning:
 objtool: .text.unlikely: unexpected end of section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
head:   775dfa8c1c635c82fa077d31f4b3c6dbf4fd3d9b
commit: debfa1e28ebf3e834da0d60d1510e45fca03b5f3 [9927/9999] ceph: return ceph_mdsc_do_request() errors from __get_parent()
config: x86_64-randconfig-r021-20210725 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=debfa1e28ebf3e834da0d60d1510e45fca03b5f3
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.9.y
        git checkout debfa1e28ebf3e834da0d60d1510e45fca03b5f3
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash LDFLAGS=-z max-page-size=0x200000  arch/x86/xen/ fs/ceph/ net/batman-adv/

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 >>):

   In file included from include/linux/ceph/ceph_fs.h:15,
                    from include/linux/ceph/types.h:10,
                    from include/linux/ceph/libceph.h:18,
                    from fs/ceph/super.h:18,
                    from fs/ceph/export.c:7:
   include/linux/ceph/msgr.h:66:1: warning: alignment 1 of 'struct ceph_entity_addr' is less than 8 [-Wpacked-not-aligned]
      66 | } __attribute__ ((packed));
         | ^
>> fs/ceph/export.o: warning: objtool: .text.unlikely: unexpected end of section

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

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