# git rev-parse -q --verify d2d09fbe33f80ec17536b6a687ac5274feb927c7^{commit}
d2d09fbe33f80ec17536b6a687ac5274feb927c7
already have revision, skipping fetch
# git checkout -q -f -B kisskb d2d09fbe33f80ec17536b6a687ac5274feb927c7
# git clean -qxdf
# < git log -1
# commit d2d09fbe33f80ec17536b6a687ac5274feb927c7
# Merge: 24dfc390079c c6f87141254d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Apr 25 09:48:46 2021 -0700
# 
#     Merge tag 'perf-tools-fixes-for-v5.12-2021-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
#     
#     Pull perf tools fixes from Arnaldo Carvalho de Melo:
#     
#      - Fix potential NULL pointer dereference in the auxtrace option parser
#     
#      - Fix access to PID in an array when setting a PID filter in 'perf ftrace'
#     
#      - Fix error return code in the 'perf data' tool and in maps__clone(),
#        found using a static analysis tool from Huawei
#     
#     * tag 'perf-tools-fixes-for-v5.12-2021-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
#       perf map: Fix error return code in maps__clone()
#       perf ftrace: Fix access to pid in array when setting a pid filter
#       perf auxtrace: Fix potential NULL pointer dereference
#       perf data: Fix error return code in perf_data__create_dir()
# < /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 d2d09fbe33f80ec17536b6a687ac5274feb927c7
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64e_defconfig
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xd2a23c) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xe00000)
Image Name:   Linux-5.12.0-rc8-gd2d09fbe33f8
Created:      Mon Apr 26 03:46:55 2021
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5328052 Bytes = 5203.18 KiB = 5.08 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.9
# Build took: 0:01:13.881829