# git rev-parse -q --verify befad944e2312c18d855013ce154ca7d2b110ade^{commit}
befad944e2312c18d855013ce154ca7d2b110ade
already have revision, skipping fetch
# git checkout -q -f -B kisskb befad944e2312c18d855013ce154ca7d2b110ade
# git clean -qxdf
# < git log -1
# commit befad944e2312c18d855013ce154ca7d2b110ade
# Merge: 010bd965f971 bdf800c6fdf5
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Oct 4 17:23:58 2018 -0700
# 
#     Merge tag 'drm-fixes-2018-10-05' of git://anongit.freedesktop.org/drm/drm
#     
#     Dave writes:
#       "amdgpu and two core fixes
#     
#        Two fixes for amdgpu:
#        one corrects a use of process->mm
#        one fix for display code race condition that can result in a crash
#     
#        Two core fixes:
#        One for a use-after-free in the leasing code
#        One for a cma/fbdev crash."
#     
#     * tag 'drm-fixes-2018-10-05' of git://anongit.freedesktop.org/drm/drm:
#       drm/amdkfd: Fix incorrect use of process->mm
#       drm/amd/display: Signal hw_done() after waiting for flip_done()
#       drm/cma-helper: Fix crash in fbdev error path
#       drm: fix use-after-free read in drm_mode_create_lease_ioctl()
# < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-gcc --version
# < git log --format=%s --max-count=1 befad944e2312c18d855013ce154ca7d2b110ade
# < make -s -j 10 ARCH=openrisc O=/kisskb/build/linus_or1ksim_defconfig_or32 CROSS_COMPILE=/opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-  or1ksim_defconfig
# make -s -j 10 ARCH=openrisc O=/kisskb/build/linus_or1ksim_defconfig_or32 CROSS_COMPILE=/opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-  
Completed OK
# rm -rf /kisskb/build/linus_or1ksim_defconfig_or32
# Build took: 0:00:26.760752