# git rev-parse -q --verify c668ec18a8acabe861adcde2853b421159046bbd^{commit}
c668ec18a8acabe861adcde2853b421159046bbd
already have revision, skipping fetch
# git checkout -q -f -B kisskb c668ec18a8acabe861adcde2853b421159046bbd
# git clean -qxdf
# < git log -1
# commit c668ec18a8acabe861adcde2853b421159046bbd
# Author: Christoph Hellwig <hch@lst.de>
# Date:   Wed Feb 13 08:01:33 2019 +0100
# 
#     powerpc/dma: trim the fat from <asm/dma-mapping.h>
#     
#     There is no need to provide anything but get_arch_dma_ops to
#     <linux/dma-mapping.h>.  More the remaining declarations to <asm/iommu.h>
#     and drop all the includes.
#     
#     Signed-off-by: Christoph Hellwig <hch@lst.de>
#     Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /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 c668ec18a8acabe861adcde2853b421159046bbd
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc885_ads_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  mpc885_ads_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc885_ads_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
Image Name:   Linux-5.0.0-rc2-gc668ec18a8ac
Created:      Thu Feb 14 00:15:19 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    1829613 Bytes = 1786.73 KiB = 1.74 MiB
Load Address: 00400000
Entry Point:  00400204
Completed OK
# rm -rf /kisskb/build/powerpc-next_mpc885_ads_defconfig_powerpc-gcc5
# Build took: 0:00:35.724256