# 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/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 c668ec18a8acabe861adcde2853b421159046bbd
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_ep88xc_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ep88xc_defconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_ep88xc_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here
Completed OK
# rm -rf /kisskb/build/powerpc-next_ep88xc_defconfig_powerpc-gcc4.6
# Build took: 0:00:40.567806