# git rev-parse -q --verify a38523185b40fd85d2afe5b5fbfb0952f7153e96^{commit}
a38523185b40fd85d2afe5b5fbfb0952f7153e96
already have revision, skipping fetch
# git checkout -q -f -B kisskb a38523185b40fd85d2afe5b5fbfb0952f7153e96
# git clean -qxdf
# < git log -1
# commit a38523185b40fd85d2afe5b5fbfb0952f7153e96
# Merge: 846e8dd47c26 41c9b1be335b
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Sep 25 21:37:41 2018 +0200
# 
#     erge tag 'libnvdimm-fixes-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
#     
#     Dan writes:
#       "libnvdimm/dax for 4.19-rc6
#     
#       * (2) fixes for the dax error handling updates that were merged for
#       v4.19-rc1. My mails to Al have been bouncing recently, so I do not have
#       his ack but the uaccess change is of the trivial / obviously correct
#       variety. The address_space_operations fixes a regression.
#     
#       * A filesystem-dax fix to correct the zero page lookup to be compatible
#        with non-x86 (mips and s390) architectures."
#     
#     * tag 'libnvdimm-fixes-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
#       device-dax: Add missing address_space_operations
#       uaccess: Fix is_source param for check_copy_size() in copy_to_iter_mcsafe()
#       filesystem-dax: Fix use of zero page
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 a38523185b40fd85d2afe5b5fbfb0952f7153e96
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pseries_le_defconfig
# make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig_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_ppc64le-gcc5
# Build took: 0:03:01.517921