# git rev-parse -q --verify 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1^{commit}
0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
# git clean -qxdf
# < git log -1
# commit 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
# Author: Christoph Hellwig <hch@lst.de>
# Date:   Sat Dec 22 09:21:08 2018 +0100
# 
#     dma-mapping: fix flags in dma_alloc_wc
#     
#     We really need the writecombine flag in dma_alloc_wc, fix a stupid
#     oversight.
#     
#     Fixes: 7ed1d91a9e ("dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN")
#     Signed-off-by: Christoph Hellwig <hch@lst.de>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /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 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pseries_le_defconfig
# Added to kconfig CONFIG_PPC_SPLPAR=n
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: modpost: Found 3 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_ppc64le-gcc5
# Build took: 0:02:27.262143