# git rev-parse -q --verify df0001545b2769e6aa33a45e26c00a4cdac48c29^{commit}
df0001545b2769e6aa33a45e26c00a4cdac48c29
already have revision, skipping fetch
# git checkout -q -f -B kisskb df0001545b2769e6aa33a45e26c00a4cdac48c29
# git clean -qxdf
# < git log -1
# commit df0001545b2769e6aa33a45e26c00a4cdac48c29
# Merge: 76fcbc9c7c57 67ab5eb71b37
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jan 28 19:30:35 2022 +0200
# 
#     Merge tag 'trace-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pulltracing fixes from Steven Rostedt:
#     
#      - Limit mcount build time sorting to only those archs that we know it
#        works for.
#     
#      - Fix memory leak in error path of histogram setup
#     
#      - Fix and clean up rel_loc array out of bounds issue
#     
#      - tools/rtla documentation fixes
#     
#      - Fix issues with histogram logic
#     
#     * tag 'trace-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       tracing: Don't inc err_log entry count if entry allocation fails
#       tracing: Propagate is_signed to expression
#       tracing: Fix smatch warning for do while check in event_hist_trigger_parse()
#       tracing: Fix smatch warning for null glob in event_hist_trigger_parse()
#       tools/tracing: Update Makefile to build rtla
#       rtla: Make doc build optional
#       tracing/perf: Avoid -Warray-bounds warning for __rel_loc macro
#       tracing: Avoid -Warray-bounds warning for __rel_loc macro
#       tracing/histogram: Fix a potential memory leak for kstrdup()
#       ftrace: Have architectures opt-in for mcount build time sorting
# < /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 df0001545b2769e6aa33a45e26c00a4cdac48c29
# < make -s -j 24 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 24 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 24 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 24 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:1155: vmlinux] Error 1
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 24 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: 0:06:19.524463