# git rev-parse -q --verify e8d5573a575dc20421d3de0739d97e4abb459019^{commit}
e8d5573a575dc20421d3de0739d97e4abb459019
already have revision, skipping fetch
# git checkout -q -f -B kisskb e8d5573a575dc20421d3de0739d97e4abb459019
# git clean -qxdf
# < git log -1
# commit e8d5573a575dc20421d3de0739d97e4abb459019
# Author: Imre Kaloz <kaloz@openwrt.org>
# Date:   Thu Dec 22 09:06:08 2016 +0100
# 
#      powerpc/4xx: ppc4xx compile flag optimizations
#     
#     This patch splits up the compile flags between ppc40x and ppc44x.
#     
#     Signed-off-by: John Crispin <john@phrozen.org>
#     Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/1482393968-60623-1-git-send-email-john@phrozen.org
# < /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 e8d5573a575dc20421d3de0739d97e4abb459019
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  40x/walnut_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/head_40x.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/head_40x.S:623: Warning: invalid register expression
/kisskb/src/block/genhd.c: In function 'diskstats_show':
/kisskb/src/block/genhd.c:1623:1: warning: the frame size of 1160 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
Completed OK
# rm -rf /kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc4.9
# Build took: 0:00:43.452290