# git rev-parse -q --verify 3a27203102ebfa67bd0bced05b1def499bb59db2^{commit}
3a27203102ebfa67bd0bced05b1def499bb59db2
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3a27203102ebfa67bd0bced05b1def499bb59db2
# git clean -qxdf
# < git log -1
# commit 3a27203102ebfa67bd0bced05b1def499bb59db2
# Merge: a24a0eb9c897 4628a64591e6
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sun Oct 14 08:34:31 2018 +0200
# 
#     Merge tag 'libnvdimm-fixes-4.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
#     
#     Dan writes:
#       "libnvdimm/dax 4.19-rc8
#     
#        * Fix a livelock in dax_layout_busy_page() present since v4.18. The
#          lockup triggers when truncating an actively mapped huge page out of
#          a mapping pinned for direct-I/O.
#     
#        * Fix mprotect() clobbers of _PAGE_DEVMAP. Broken since v4.5
#          mprotect() clears this flag that is needed to communicate the
#          liveness of device pages to the get_user_pages() path."
#     
#     * tag 'libnvdimm-fixes-4.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
#       mm: Preserve _PAGE_DEVMAP across mprotect() calls
#       filesystem-dax: Fix dax_layout_busy_page() livelock
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 3a27203102ebfa67bd0bced05b1def499bb59db2
# < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc8
# Build took: 0:00:11.260720