# git rev-parse -q --verify f87bcc88f3028af584b0820bdf6e0e4cdc759d26^{commit}
f87bcc88f3028af584b0820bdf6e0e4cdc759d26
already have revision, skipping fetch
# git checkout -q -f -B kisskb f87bcc88f3028af584b0820bdf6e0e4cdc759d26
# git clean -qxdf
# < git log -1
# commit f87bcc88f3028af584b0820bdf6e0e4cdc759d26
# Merge: e46227bf3899 ebb3f994dd92
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Dec 31 09:28:48 2021 -0800
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge misc mm fixes from Andrew Morton:
#      "2 patches.
#     
#       Subsystems affected by this patch series: mm (userfaultfd and damon)"
#     
#     * akpm:
#       mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()'
#       userfaultfd/selftests: fix hugetlb area allocations
# < /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 f87bcc88f3028af584b0820bdf6e0e4cdc759d26
# < make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  
  MKDIR     /kisskb/build/linus_s390-defconfig_s390x-gcc11/tools/bpf/resolve_btfids/libbpf/
  MKDIR     /kisskb/build/linus_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:1161: vmlinux] Error 1
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 80 ARCH=s390 O=/kisskb/build/linus_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/linus_s390-defconfig_s390x-gcc11
# Build took: 0:05:15.650020