# git rev-parse -q --verify a38fd8748464831584a19438cbb3082b5a2dab15^{commit}
a38fd8748464831584a19438cbb3082b5a2dab15
already have revision, skipping fetch
# git checkout -q -f -B kisskb a38fd8748464831584a19438cbb3082b5a2dab15
# git clean -qxdf
# < git log -1
# commit a38fd8748464831584a19438cbb3082b5a2dab15
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Mar 5 17:33:41 2021 -0800
# 
#     Linux 5.12-rc2
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-ld --version
# < git log --format=%s --max-count=1 a38fd8748464831584a19438cbb3082b5a2dab15
# < make -s -j 48 ARCH=sh O=/kisskb/build/linus_hp6xx_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  hp6xx_defconfig
# < make -s -j 48 ARCH=sh O=/kisskb/build/linus_hp6xx_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  help
# make -s -j 48 ARCH=sh O=/kisskb/build/linus_hp6xx_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  olddefconfig
# make -s -j 48 ARCH=sh O=/kisskb/build/linus_hp6xx_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  
  Generating include/generated/machtypes.h
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
/kisskb/src/arch/sh/kernel/traps.c: In function 'nmi_trap_handler':
/kisskb/src/arch/sh/kernel/traps.c:183:15: warning: unused variable 'cpu' [-Wunused-variable]
  unsigned int cpu = smp_processor_id();
               ^
  Kernel: arch/sh/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_hp6xx_defconfig_sh4-gcc4.9
# Build took: 0:00:28.501745