# git rev-parse -q --verify 49a57857aeea06ca831043acbb0fa5e0f50602fd^{commit}
49a57857aeea06ca831043acbb0fa5e0f50602fd
already have revision, skipping fetch
# git checkout -q -f -B kisskb 49a57857aeea06ca831043acbb0fa5e0f50602fd
# git clean -qxdf
# < git log -1
# commit 49a57857aeea06ca831043acbb0fa5e0f50602fd
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Jan 21 13:14:44 2019 +1300
# 
#     Linux 5.0-rc3
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version
# < git log --format=%s --max-count=1 49a57857aeea06ca831043acbb0fa5e0f50602fd
# < 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/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/mm/pgtable.c:413:15: warning: 'pmd_alloc_map' defined but not used [-Wunused-function]
/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: 0:00:16.714686