# git rev-parse -q --verify da0c9ea146cbe92b832f1b0f694840ea8eb33cce^{commit}
da0c9ea146cbe92b832f1b0f694840ea8eb33cce
already have revision, skipping fetch
# git checkout -q -f -B kisskb da0c9ea146cbe92b832f1b0f694840ea8eb33cce
# git clean -qxdf
# < git log -1
# commit da0c9ea146cbe92b832f1b0f694840ea8eb33cce
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 6 14:27:30 2019 -0700
# 
#     Linux 5.4-rc2
# < /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 da0c9ea146cbe92b832f1b0f694840ea8eb33cce
# < make -s -j 10 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 10 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:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_s390-allnoconfig_s390x
# Build took: 0:00:16.232646