# git rev-parse -q --verify dc4060a5dc2557e6b5aa813bf5b73677299d62d2^{commit}
dc4060a5dc2557e6b5aa813bf5b73677299d62d2
already have revision, skipping fetch
# git checkout -q -f -B kisskb dc4060a5dc2557e6b5aa813bf5b73677299d62d2
# git clean -qxdf
# < git log -1
# commit dc4060a5dc2557e6b5aa813bf5b73677299d62d2
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Apr 14 15:17:41 2019 -0700
# 
#     Linux 5.1-rc5
# < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-gcc --version
# < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-ld --version
# < git log --format=%s --max-count=1 dc4060a5dc2557e6b5aa813bf5b73677299d62d2
# < make -s -j 8 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 8 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-  
/kisskb/src/mm/mprotect.c: In function 'change_pte_range':
/kisskb/src/mm/mprotect.c:42:20: warning: unused variable 'mm' [-Wunused-variable]
  struct mm_struct *mm = vma->vm_mm;
                    ^
Completed OK
# rm -rf /kisskb/build/linus_or1ksim_defconfig_or32
# Build took: 0:00:43.443275