tree:   https://github.com/0day-ci/linux/commits/UPDATE-20210829-092430/Tetsuo-Handa/loop-replace-loop_ctl_mutex-with-loop_idr_spinlock/20210827-000519
head:   d1d1d6b0374667ffe7418416765eedda70f0b6a5
commit: d1d1d6b0374667ffe7418416765eedda70f0b6a5 loop: reduce the loop_ctl_mutex scope
date:   15 hours ago
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/d1d1d6b0374667ffe7418416765eedda70f0b6a5
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review UPDATE-20210829-092430/Tetsuo-Handa/loop-replace-loop_ctl_mutex-with-loop_idr_spinlock/20210827-000519
        git checkout d1d1d6b0374667ffe7418416765eedda70f0b6a5
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=xtensa SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   `.exit.text' referenced in section `__jump_table' of fs/cifs/cifsfs.o: defined in discarded section `.exit.text' of fs/cifs/cifsfs.o
   `.exit.text' referenced in section `__jump_table' of fs/cifs/cifsfs.o: defined in discarded section `.exit.text' of fs/cifs/cifsfs.o
   `.exit.text' referenced in section `__jump_table' of fs/fuse/inode.o: defined in discarded section `.exit.text' of fs/fuse/inode.o
   `.exit.text' referenced in section `__jump_table' of fs/fuse/inode.o: defined in discarded section `.exit.text' of fs/fuse/inode.o
   `.exit.text' referenced in section `__jump_table' of fs/ceph/super.o: defined in discarded section `.exit.text' of fs/ceph/super.o
   `.exit.text' referenced in section `__jump_table' of fs/ceph/super.o: defined in discarded section `.exit.text' of fs/ceph/super.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/rio_cm.o: defined in discarded section `.exit.text' of drivers/rapidio/rio_cm.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/rio_cm.o: defined in discarded section `.exit.text' of drivers/rapidio/rio_cm.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen3.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen3.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen3.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen3.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen3.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen3.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen3.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen3.o
   `.exit.text' referenced in section `__jump_table' of drivers/video/fbdev/vt8623fb.o: defined in discarded section `.exit.text' of drivers/video/fbdev/vt8623fb.o
   `.exit.text' referenced in section `__jump_table' of drivers/video/fbdev/vt8623fb.o: defined in discarded section `.exit.text' of drivers/video/fbdev/vt8623fb.o
   `.exit.text' referenced in section `__jump_table' of drivers/video/fbdev/s3fb.o: defined in discarded section `.exit.text' of drivers/video/fbdev/s3fb.o
   `.exit.text' referenced in section `__jump_table' of drivers/video/fbdev/s3fb.o: defined in discarded section `.exit.text' of drivers/video/fbdev/s3fb.o
   `.exit.text' referenced in section `__jump_table' of drivers/video/fbdev/arkfb.o: defined in discarded section `.exit.text' of drivers/video/fbdev/arkfb.o
   `.exit.text' referenced in section `__jump_table' of drivers/video/fbdev/arkfb.o: defined in discarded section `.exit.text' of drivers/video/fbdev/arkfb.o
   xtensa-linux-ld: drivers/block/loop.o: in function `loop_probe':
>> loop.c:(.text+0xdd0): undefined reference to `__cmpxchg_called_with_bad_pointer'
   xtensa-linux-ld: drivers/block/loop.o: in function `loop_control_ioctl':
   loop.c:(.text+0xe6a): undefined reference to `__cmpxchg_called_with_bad_pointer'
   `.exit.text' referenced in section `__jump_table' of drivers/misc/phantom.o: defined in discarded section `.exit.text' of drivers/misc/phantom.o
   `.exit.text' referenced in section `__jump_table' of drivers/misc/phantom.o: defined in discarded section `.exit.text' of drivers/misc/phantom.o
   `.exit.text' referenced in section `__jump_table' of drivers/misc/habanalabs/common/habanalabs_drv.o: defined in discarded section `.exit.text' of drivers/misc/habanalabs/common/habanalabs_drv.o
   `.exit.text' referenced in section `__jump_table' of drivers/misc/habanalabs/common/habanalabs_drv.o: defined in discarded section `.exit.text' of drivers/misc/habanalabs/common/habanalabs_drv.o
   `.exit.text' referenced in section `__jump_table' of drivers/scsi/fcoe/fcoe.o: defined in discarded section `.exit.text' of drivers/scsi/fcoe/fcoe.o
   `.exit.text' referenced in section `__jump_table' of drivers/scsi/fcoe/fcoe.o: defined in discarded section `.exit.text' of drivers/scsi/fcoe/fcoe.o
   `.exit.text' referenced in section `__jump_table' of drivers/scsi/cxgbi/libcxgbi.o: defined in discarded section `.exit.text' of drivers/scsi/cxgbi/libcxgbi.o
   `.exit.text' referenced in section `__jump_table' of drivers/scsi/cxgbi/libcxgbi.o: defined in discarded section `.exit.text' of drivers/scsi/cxgbi/libcxgbi.o
   `.exit.text' referenced in section `__jump_table' of drivers/target/target_core_configfs.o: defined in discarded section `.exit.text' of drivers/target/target_core_configfs.o
   `.exit.text' referenced in section `__jump_table' of drivers/target/target_core_configfs.o: defined in discarded section `.exit.text' of drivers/target/target_core_configfs.o
   `.exit.text' referenced in section `__jump_table' of drivers/mtd/maps/pcmciamtd.o: defined in discarded section `.exit.text' of drivers/mtd/maps/pcmciamtd.o
   `.exit.text' referenced in section `__jump_table' of drivers/mtd/maps/pcmciamtd.o: defined in discarded section `.exit.text' of drivers/mtd/maps/pcmciamtd.o
   `.exit.text' referenced in section `__jump_table' of drivers/net/wireless/zydas/zd1211rw/zd_usb.o: defined in discarded section `.exit.text' of drivers/net/wireless/zydas/zd1211rw/zd_usb.o
   `.exit.text' referenced in section `__jump_table' of drivers/net/wireless/zydas/zd1211rw/zd_usb.o: defined in discarded section `.exit.text' of drivers/net/wireless/zydas/zd1211rw/zd_usb.o
   `.exit.text' referenced in section `__jump_table' of drivers/net/wireless/ray_cs.o: defined in discarded section `.exit.text' of drivers/net/wireless/ray_cs.o
   `.exit.text' referenced in section `__jump_table' of drivers/net/wireless/ray_cs.o: defined in discarded section `.exit.text' of drivers/net/wireless/ray_cs.o
   `.exit.text' referenced in section `__jump_table' of drivers/net/wireless/mac80211_hwsim.o: defined in discarded section `.exit.text' of drivers/net/wireless/mac80211_hwsim.o
   `.exit.text' referenced in section `__jump_table' of drivers/net/wireless/mac80211_hwsim.o: defined in discarded section `.exit.text' of drivers/net/wireless/mac80211_hwsim.o
   `.exit.text' referenced in section `__jump_table' of drivers/usb/gadget/legacy/inode.o: defined in discarded section `.exit.text' of drivers/usb/gadget/legacy/inode.o
   `.exit.text' referenced in section `__jump_table' of drivers/usb/gadget/legacy/inode.o: defined in discarded section `.exit.text' of drivers/usb/gadget/legacy/inode.o
   `.exit.text' referenced in section `__jump_table' of drivers/usb/gadget/legacy/g_ffs.o: defined in discarded section `.exit.text' of drivers/usb/gadget/legacy/g_ffs.o
   `.exit.text' referenced in section `__jump_table' of drivers/usb/gadget/legacy/g_ffs.o: defined in discarded section `.exit.text' of drivers/usb/gadget/legacy/g_ffs.o
   `.exit.text' referenced in section `__jump_table' of drivers/media/common/siano/smscoreapi.o: defined in discarded section `.exit.text' of drivers/media/common/siano/smscoreapi.o
   `.exit.text' referenced in section `__jump_table' of drivers/media/common/siano/smscoreapi.o: defined in discarded section `.exit.text' of drivers/media/common/siano/smscoreapi.o
   `.exit.text' referenced in section `__jump_table' of drivers/vme/bridges/vme_fake.o: defined in discarded section `.exit.text' of drivers/vme/bridges/vme_fake.o
   `.exit.text' referenced in section `__jump_table' of drivers/vme/bridges/vme_fake.o: defined in discarded section `.exit.text' of drivers/vme/bridges/vme_fake.o
   `.exit.text' referenced in section `__jump_table' of net/netfilter/nf_conntrack_h323_main.o: defined in discarded section `.exit.text' of net/netfilter/nf_conntrack_h323_main.o
   `.exit.text' referenced in section `__jump_table' of net/netfilter/nf_conntrack_h323_main.o: defined in discarded section `.exit.text' of net/netfilter/nf_conntrack_h323_main.o
   `.exit.text' referenced in section `__jump_table' of net/netfilter/ipset/ip_set_core.o: defined in discarded section `.exit.text' of net/netfilter/ipset/ip_set_core.o
   `.exit.text' referenced in section `__jump_table' of net/netfilter/ipset/ip_set_core.o: defined in discarded section `.exit.text' of net/netfilter/ipset/ip_set_core.o
   `.exit.text' referenced in section `__jump_table' of net/ceph/ceph_common.o: defined in discarded section `.exit.text' of net/ceph/ceph_common.o
   `.exit.text' referenced in section `__jump_table' of net/ceph/ceph_common.o: defined in discarded section `.exit.text' of net/ceph/ceph_common.o

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