# git rev-parse -q --verify ccda4af0f4b92f7b4c308d3acc262f4a7e3affad^{commit}
ccda4af0f4b92f7b4c308d3acc262f4a7e3affad
already have revision, skipping fetch
# git checkout -q -f -B kisskb ccda4af0f4b92f7b4c308d3acc262f4a7e3affad
# git clean -qxdf
# < git log -1
# commit ccda4af0f4b92f7b4c308d3acc262f4a7e3affad
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Nov 11 17:12:31 2018 -0600
# 
#     Linux 4.20-rc2
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version
# < git log --format=%s --max-count=1 ccda4af0f4b92f7b4c308d3acc262f4a7e3affad
# < make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  allnoconfig
# make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
/kisskb/src/arch/s390/mm/pgtable.c:413:15: warning: 'pmd_alloc_map' defined but not used [-Wunused-function]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/s390/kernel/machine_kexec.c:145:22: warning: 'do_start_kdump' defined but not used [-Wunused-function]
Completed OK
# rm -rf /kisskb/build/linus_s390-allnoconfig_s390x
# Build took: 0:00:17.354045