# git rev-parse -q --verify 7773544e4027aa905e7f75752e3db619b473bd5c^{commit}
7773544e4027aa905e7f75752e3db619b473bd5c
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7773544e4027aa905e7f75752e3db619b473bd5c
# git clean -qxdf
# < git log -1
# commit 7773544e4027aa905e7f75752e3db619b473bd5c
# Author: Jason Wang <wangborong@cdjrlc.com>
# Date:   Mon Dec 20 11:02:43 2021 +0800
# 
#     powerpc/kvm: no need to initialise statics to 0
#     
#     Static variables do not need to be initialised to 0, because compiler
#     will initialise all uninitialised statics to 0. Thus, remove the
#     unneeded initialization.
#     
#     Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20211220030243.603435-1-wangborong@cdjrlc.com
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 7773544e4027aa905e7f75752e3db619b473bd5c
# < make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  
  MKDIR     /kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11/tools/bpf/resolve_btfids/libbpf/
  MKDIR     /kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11/tools/bpf/resolve_btfids//libsubcmd
  LINK     resolve_btfids
BTF: .tmp_vmlinux.btf: pahole version v1.12 is too old, need at least v1.16
Failed to generate BTF for vmlinux
Try to disable CONFIG_DEBUG_INFO_BTF
make[1]: *** [/kisskb/src/Makefile:1155: vmlinux] Error 1
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/powerpc-next_s390-defconfig_s390x-gcc11
# Build took: 0:06:12.486928