# git rev-parse -q --verify b2b436ec0205abde78ef8fd438758125ffbb0fec^{commit}
b2b436ec0205abde78ef8fd438758125ffbb0fec
already have revision, skipping fetch
# git checkout -q -f -B kisskb b2b436ec0205abde78ef8fd438758125ffbb0fec
# git clean -qxdf
# < git log -1
# commit b2b436ec0205abde78ef8fd438758125ffbb0fec
# Merge: 75acfdb6fd92 f28439db470c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Jan 6 15:00:43 2022 -0800
# 
#     Merge tag 'trace-v5.16-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pull tracing fixes from Steven Rostedt:
#      "Three minor tracing fixes:
#     
#        - Fix missing prototypes in sample module for direct functions
#     
#        - Fix check of valid buffer in get_trace_buf()
#     
#        - Fix annotations of percpu pointers"
#     
#     * tag 'trace-v5.16-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       tracing: Tag trace_percpu_buffer as a percpu pointer
#       tracing: Fix check for trace_percpu_buffer validity in get_trace_buf()
#       ftrace/samples: Add missing prototypes direct functions
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 b2b436ec0205abde78ef8fd438758125ffbb0fec
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  randconfig
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_CPU_BIG_ENDIAN=y
# Added to kconfig CONFIG_PPC64=y
# Added to kconfig CONFIG_PPC_DISABLE_WERROR=y
# Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y
# Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n
# Added to kconfig CONFIG_UBSAN=n
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 32 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:5055:warning: override: reassigning to symbol PPC_DISABLE_WERROR
.config:5057:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
.config:5059:warning: override: reassigning to symbol GCC_PLUGINS
# make -s -j 32 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
  MKDIR     /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9/tools/bpf/resolve_btfids/libbpf/
  MKDIR     /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9/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 32 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9
# Build took: 0:05:53.922922