# git rev-parse -q --verify f4b3974602a5b527b22c3a0dc61ba71190ea2aa5^{commit}
f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
already have revision, skipping fetch
# git checkout -q -f -B kisskb f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
# git clean -qxdf
# < git log -1
# commit f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
# Merge: 1413c361328c 2a1f40adfb54
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Dec 27 11:30:26 2019 -0800
# 
#     Merge tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
#     
#     Pull Kselftest fixes from Shuah Khan:
#     
#      - rseq build failures fixes related to glibc 2.30 compatibility from
#        Mathieu Desnoyers
#     
#      - Kunit fixes and cleanups from SeongJae Park
#     
#      - Fixes to filesystems/epoll, firmware, and livepatch build failures
#        and skip handling.
#     
#     * tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
#       rseq/selftests: Clarify rseq_prepare_unload() helper requirements
#       rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30
#       rseq/selftests: Turn off timeout setting
#       kunit/kunit_tool_test: Test '--build_dir' option run
#       kunit: Rename 'kunitconfig' to '.kunitconfig'
#       kunit: Place 'test.log' under the 'build_dir'
#       kunit: Create default config in '--build_dir'
#       kunit: Remove duplicated defconfig creation
#       docs/kunit/start: Use in-tree 'kunit_defconfig'
#       selftests: livepatch: Fix it to do root uid check and skip
#       selftests: firmware: Fix it to do root uid check and skip
#       selftests: filesystems/epoll: fix build error
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_ppc64le_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64le_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_ppc64le_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: vmlinux.o(.text+0x31e4): Section mismatch in reference from the variable __boot_from_prom to the function .init.text:prom_init()
The function __boot_from_prom() references
the function __init prom_init().
This is often because __boot_from_prom lacks a __init 
annotation or the annotation of prom_init is wrong.

WARNING: vmlinux.o(.text+0x33c8): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel()
The function start_here_common() references
the function __init start_kernel().
This is often because start_here_common lacks a __init 
annotation or the annotation of start_kernel is wrong.

WARNING: 2 bad relocations
c000000001637178 R_PPC64_ADDR64    _binary__btf_vmlinux_bin_start
c000000001637180 R_PPC64_ADDR64    _binary__btf_vmlinux_bin_end
Completed OK
# rm -rf /kisskb/build/linus_ppc64le_defconfig_ppc64le-gcc5
# Build took: 0:02:47.034713