# git rev-parse -q --verify 189522da8b3a796d56d802e067d591d2ffff7f40^{commit}
189522da8b3a796d56d802e067d591d2ffff7f40
already have revision, skipping fetch
# git checkout -q -f -B kisskb 189522da8b3a796d56d802e067d591d2ffff7f40
# git clean -qxdf
# < git log -1
# commit 189522da8b3a796d56d802e067d591d2ffff7f40
# Merge: b61f7ff0f64f d085eb8ce727
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Apr 21 12:27:18 2020 -0700
# 
#     Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
#     
#     Pull virtio fixes and cleanups from Michael Tsirkin:
#     
#      - Some bug fixes
#     
#      - Cleanup a couple of issues that surfaced meanwhile
#     
#      - Disable vhost on ARM with OABI for now - to be fixed fully later in
#        the cycle or in the next release.
#     
#     * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (24 commits)
#       vhost: disable for OABI
#       virtio: drop vringh.h dependency
#       virtio_blk: add a missing include
#       virtio-balloon: Avoid using the word 'report' when referring to free page hinting
#       virtio-balloon: make virtballoon_free_page_report() static
#       vdpa: fix comment of vdpa_register_device()
#       vdpa: make vhost, virtio depend on menu
#       vdpa: allow a 32 bit vq alignment
#       drm/virtio: fix up for include file changes
#       remoteproc: pull in slab.h
#       rpmsg: pull in slab.h
#       virtio_input: pull in slab.h
#       remoteproc: pull in slab.h
#       virtio-rng: pull in slab.h
#       virtgpu: pull in uaccess.h
#       tools/virtio: make asm/barrier.h self contained
#       tools/virtio: define aligned attribute
#       virtio/test: fix up after IOTLB changes
#       vhost: Create accessors for virtqueues private_data
#       vdpasim: Return status in vdpasim_get_status
#       ...
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 189522da8b3a796d56d802e067d591d2ffff7f40
# < make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  
/kisskb/src/kernel/trace/ftrace.c: In function 'pid_open.isra.59':
/kisskb/src/kernel/trace/ftrace.c:7166:6: warning: 'seq_ops' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ret = seq_open(file, seq_ops);
      ^
/kisskb/src/kernel/trace/ftrace.c: In function 'pid_write.isra.60':
/kisskb/src/kernel/trace/ftrace.c:7244:8: warning: 'filtered_pids' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ret = trace_pid_write(filtered_pids, &pid_list, ubuf, cnt);
        ^
/kisskb/src/kernel/trace/ftrace.c:7261:22: warning: 'other_pids' may be used uninitialized in this function [-Wmaybe-uninitialized]
  } else if (pid_list && !other_pids) {
                      ^
/kisskb/src/kernel/futex.c: In function 'do_futex':
/kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return oldval == cmparg;
                 ^
/kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here
  int oldval, ret;
      ^
/kisskb/src/fs/btrfs/backref.c: In function 'is_shared_data_backref':
/kisskb/src/fs/btrfs/backref.c:394:9: warning: missing braces around initializer [-Wmissing-braces]
  struct prelim_ref target = {0};
         ^
/kisskb/src/fs/btrfs/backref.c:394:9: warning: (near initialization for 'target.rbnode') [-Wmissing-braces]
Completed OK
# rm -rf /kisskb/build/linus_s390-defconfig_s390x-gcc4.9
# Build took: 0:03:35.455019