# git rev-parse -q --verify 51e406417950d9a614ddbb1d7769ea210b8717b0^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 51e406417950d9a614ddbb1d7769ea210b8717b0^{commit}
51e406417950d9a614ddbb1d7769ea210b8717b0
# git checkout -q -f -B kisskb 51e406417950d9a614ddbb1d7769ea210b8717b0
# git clean -qxdf
# < git log -1
# commit 51e406417950d9a614ddbb1d7769ea210b8717b0
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Thu Mar 12 07:37:24 2020 +0900
# 
#     sparc: revive __HAVE_ARCH_STRLEN for 32bit sparc
#     
#     Prior to commit 70a6fcf3283a ("[sparc] unify 32bit and 64bit string.h"),
#     __HAVE_ARCH_STRLEN was defined in both of string_32.h and string_64.h
#     
#     It did not unify __HAVE_ARCH_STRLEN, but deleted it from string_32.h
#     
#     This issue was reported by the kbuild test robot in the trial of
#     forcible linking of $(lib-y) to vmlinux.
#     
#     Fixes: 70a6fcf3283a ("[sparc] unify 32bit and 64bit string.h")
#     Reported-by: kbuild test robot <lkp@intel.com>
#     Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
#     Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
#     Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
#     Acked-by: David S. Miller <davem@davemloft.net>
# < /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 51e406417950d9a614ddbb1d7769ea210b8717b0
# < make -s -j 32 ARCH=s390 O=/kisskb/build/kbuild_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 32 ARCH=s390 O=/kisskb/build/kbuild_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 32 ARCH=s390 O=/kisskb/build/kbuild_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 32 ARCH=s390 O=/kisskb/build/kbuild_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  
Completed OK
# rm -rf /kisskb/build/kbuild_s390-defconfig_s390x-gcc4.9
# Build took: 0:04:15.166849