# git rev-parse -q --verify 7a6878bb4e7ac410b8748e115df8265cf32b1be3^{commit}
7a6878bb4e7ac410b8748e115df8265cf32b1be3
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7a6878bb4e7ac410b8748e115df8265cf32b1be3
# git clean -qxdf
# < git log -1
# commit 7a6878bb4e7ac410b8748e115df8265cf32b1be3
# Merge: e704966c45e4 974c24c5bed7
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sat Sep 29 02:52:24 2018 -0700
# 
#     Merge tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Christoph writes:
#       "dma mapping fix for 4.19-rc6
#     
#        fix a missing Kconfig symbol for commits introduced in 4.19-rc"
#     
#     * tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping:
#       dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-gcc --version
# < git log --format=%s --max-count=1 7a6878bb4e7ac410b8748e115df8265cf32b1be3
# < make -s -j 48 ARCH=mips O=/kisskb/build/linus_ip22_defconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-  ip22_defconfig
# make -s -j 48 ARCH=mips O=/kisskb/build/linus_ip22_defconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-  
Completed OK
# rm -rf /kisskb/build/linus_ip22_defconfig_mips-gcc8
# Build took: 0:01:33.197662