# git rev-parse -q --verify 92188b41f1394d5e4399fcb28c13a2933f255255^{commit}
92188b41f1394d5e4399fcb28c13a2933f255255
already have revision, skipping fetch
# git checkout -q -f -B kisskb 92188b41f1394d5e4399fcb28c13a2933f255255
# git clean -qxdf
# < git log -1
# commit 92188b41f1394d5e4399fcb28c13a2933f255255
# Merge: efb9666e900b 25d4e7f513d4
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jul 19 12:35:07 2020 -0700
# 
#     Merge tag 'perf-tools-fixes-2020-07-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into master
#     
#     Pull perf tooling fixes from Arnaldo Carvalho de Melo:
#     
#      - Update hashmap.h from libbpf and kvm.h from x86's kernel UAPI.
#     
#      - Set opt->set in libsubcmd's OPT_CALLBACK_SET(). This fixes
#        'perf record --switch-output-event event-name' usage"
#     
#     * tag 'perf-tools-fixes-2020-07-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
#       tools arch kvm: Sync kvm headers with the kernel sources
#       perf tools: Sync hashmap.h with libbpf's
#       libsubcmd: Fix OPT_CALLBACK_SET()
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 92188b41f1394d5e4399fcb28c13a2933f255255
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_corenet64_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  corenet64_smp_defconfig
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_corenet64_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_corenet64_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_corenet64_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0x1137948) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x1200000)
Image Name:   Linux-5.8.0-rc5-g92188b41f139
Created:      Mon Jul 20 07:10:16 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    7241897 Bytes = 7072.17 KiB = 6.91 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus_corenet64_smp_defconfig_powerpc-gcc4.9
# Build took: 0:02:24.545738