# git rev-parse -q --verify 722c1963aba5a86778f7d044116e10e1c73e87a8^{commit}
722c1963aba5a86778f7d044116e10e1c73e87a8
already have revision, skipping fetch
# git checkout -q -f -B kisskb 722c1963aba5a86778f7d044116e10e1c73e87a8
# git clean -qxdf
# < git log -1
# commit 722c1963aba5a86778f7d044116e10e1c73e87a8
# Author: Raphael Moreira Zinsly <rzinsly@linux.ibm.com>
# Date:   Mon Apr 20 17:55:38 2020 -0300
# 
#     selftests/powerpc: Add README for GZIP engine tests
#     
#     Include a README file with the instructions to use the
#     testcases at selftests/powerpc/nx-gzip.
#     
#     Signed-off-by: Bulent Abali <abali@us.ibm.com>
#     Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20200420205538.25181-6-rzinsly@linux.ibm.com
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 722c1963aba5a86778f7d044116e10e1c73e87a8
# < make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-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;
      ^~~~~~
Completed OK
# rm -rf /kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8
# Build took: 0:05:29.368986