# git rev-parse -q --verify 690e2aba7beb1ef06352803bea41a68a3c695015^{commit}
690e2aba7beb1ef06352803bea41a68a3c695015
already have revision, skipping fetch
# git checkout -q -f -B kisskb 690e2aba7beb1ef06352803bea41a68a3c695015
# git clean -qxdf
# < git log -1
# commit 690e2aba7beb1ef06352803bea41a68a3c695015
# Merge: 42eb62d417e5 5cbf3264bc71
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri May 1 17:19:15 2020 -0700
# 
#     Merge tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio
#     
#     Pull VFIO fixes from Alex Williamson:
#     
#      - copy_*_user validity check for new vfio_dma_rw interface (Yan Zhao)
#     
#      - Fix a potential math overflow (Yan Zhao)
#     
#      - Use follow_pfn() for calculating PFNMAPs (Sean Christopherson)
#     
#     * tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio:
#       vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn()
#       vfio: avoid possible overflow in vfio_iommu_type1_pin_pages
#       vfio: checking of validity of user vaddr in vfio_dma_rw
# < /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 690e2aba7beb1ef06352803bea41a68a3c695015
# < make -s -j 24 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 24 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 24 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 24 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:7167:6: 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:7245:8: 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:7262:22: 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: 0:04:23.256200