# git rev-parse -q --verify 56a451b780676bc1cdac011735fe2869fa2e9abf^{commit}
56a451b780676bc1cdac011735fe2869fa2e9abf
already have revision, skipping fetch
# git checkout -q -f -B kisskb 56a451b780676bc1cdac011735fe2869fa2e9abf
# git clean -qxdf
# < git log -1
# commit 56a451b780676bc1cdac011735fe2869fa2e9abf
# Merge: dba43fc4ba2f b350f0a3eb26
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Mar 31 16:50:25 2020 -0700
# 
#     Merge tag 'ntb-5.7' of git://github.com/jonmason/ntb
#     
#     Pull NTB updates from Jon Mason:
#      "Bug fixes for a few printing issues, link status detection bug on AMD
#       hardware, and a DMA address issue with ntb_perf.
#     
#       Also, large series of AMD NTB patches"
#     
#     * tag 'ntb-5.7' of git://github.com/jonmason/ntb: (21 commits)
#       NTB: add pci shutdown handler for AMD NTB
#       NTB: send DB event when driver is loaded or un-loaded
#       NTB: remove redundant setting of DB valid mask
#       NTB: return link up status correctly for PRI and SEC
#       NTB: add helper functions to set and clear sideinfo
#       NTB: move ntb_ctrl handling to init and deinit
#       NTB: handle link up, D0 and D3 events correctly
#       NTB: handle link down event correctly
#       NTB: remove handling of peer_sta from amd_link_is_up
#       NTB: set peer_sta within event handler itself
#       NTB: return the side info status from amd_poll_link
#       NTB: define a new function to get link status
#       NTB: Enable link up and down event notification
#       NTB: clear interrupt status register
#       NTB: Fix access to link status and control register
#       MAINTAINERS: update maintainer list for AMD NTB driver
#       NTB: ntb_transport: Use scnprintf() for avoiding potential buffer overflow
#       ntb_hw_switchtec: Fix ntb_mw_clear_trans error if size == 0
#       ntb_tool: Fix printk format
#       NTB: ntb_perf: Fix address err in perf_copy_chunk
#       ...
# < /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 56a451b780676bc1cdac011735fe2869fa2e9abf
# < 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/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: 0:04:30.561098