collect2: error: ld returned 1 exit status

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a08b41ab9e2e468647f78eb17c28e29b93006394
commit: b18adee4ce4443399963826b5d28d9e63d40740c stacktrace: Move documentation for arch_stack_walk_reliable() to header
date:   11 months ago
config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220126/202201260016.WjRQsceW-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b18adee4ce4443399963826b5d28d9e63d40740c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b18adee4ce4443399963826b5d28d9e63d40740c
        # save the config file to linux build tree
        make W=1 ARCH=x86_64 SHELL=/bin/bash tools/all

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

All errors (new ones prefixed by >>):

   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
>> collect2: error: ld returned 1 exit status
   make[3]: *** [<builtin>: virtio_test] Error 1
   make[3]: *** Waiting for unfinished jobs....
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
   /usr/bin/ld: virtio_ring.o: in function `spin_lock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:16: undefined reference to `pthread_spin_lock'
   /usr/bin/ld: virtio_ring.o: in function `spin_unlock':
   /kbuild/worktree/build-ktools-consumer/tools/virtio/./linux/spinlock.h:22: undefined reference to `pthread_spin_unlock'
>> collect2: error: ld returned 1 exit status
   make[3]: *** [<builtin>: vringh_test] Error 1
   ***
   *** The source tree is not clean, please run 'make mrproper'
   *** in /kbuild/worktree/build-ktools-consumer
   ***
   make[5]: *** [/kbuild/worktree/build-ktools-consumer/Makefile:573: outputmakefile] Error 1
   make[4]: *** [Makefile:732: include/config/auto.conf.cmd] Error 2
   make[3]: *** [Makefile:11: mod] Error 2

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