# git rev-parse -q --verify 6fbc7275c7a9ba97877050335f290341a1fd8dbf^{commit}
6fbc7275c7a9ba97877050335f290341a1fd8dbf
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6fbc7275c7a9ba97877050335f290341a1fd8dbf
# git clean -qxdf
# < git log -1
# commit 6fbc7275c7a9ba97877050335f290341a1fd8dbf
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jun 30 11:25:36 2019 +0800
# 
#     Linux 5.2-rc7
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 6fbc7275c7a9ba97877050335f290341a1fd8dbf
# < make -s -j 120 ARCH=s390 O=/kisskb/build/linus_s390-allnoconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  allnoconfig
# make -s -j 120 ARCH=s390 O=/kisskb/build/linus_s390-allnoconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  
/kisskb/src/arch/s390/kernel/machine_kexec.c:146:22: warning: 'do_start_kdump' defined but not used [-Wunused-function]
 static unsigned long do_start_kdump(unsigned long addr)
                      ^~~~~~~~~~~~~~
Completed OK
# rm -rf /kisskb/build/linus_s390-allnoconfig_s390x-gcc8
# Build took: 0:00:10.400570