# git rev-parse -q --verify 3fed6ae4b027f9c93be18520f87bd06bdffd196b^{commit}
3fed6ae4b027f9c93be18520f87bd06bdffd196b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3fed6ae4b027f9c93be18520f87bd06bdffd196b
# git clean -qxdf
# < git log -1
# commit 3fed6ae4b027f9c93be18520f87bd06bdffd196b
# Author: Christoph Hellwig <hch@lst.de>
# Date:   Fri Jan 4 13:03:08 2019 -0800
# 
#     ia64: fix compile without swiotlb
#     
#     Some non-generic ia64 configs don't build swiotlb, and thus should not
#     pull in the generic non-coherent DMA infrastructure.
#     
#     Fixes: 68c608345c ("swiotlb: remove dma_mark_clean")
#     Reported-by: Tony Luck <tony.luck@gmail.com>
#     Signed-off-by: Christoph Hellwig <hch@lst.de>
#     Signed-off-by: Tony Luck <tony.luck@intel.com>
#     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 3fed6ae4b027f9c93be18520f87bd06bdffd196b
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_powernv_defconfig+THIN_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# Added to kconfig CONFIG_USE_THIN_ARCHIVES=y
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_powernv_defconfig+THIN_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_powernv_defconfig+THIN_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/linus_powernv_defconfig+THIN_ppc64le-gcc5
# Build took: 0:02:34.945160