# git rev-parse -q --verify 6afa873170a612b2b9e392c19c523ed8aae6fbc9^{commit}
6afa873170a612b2b9e392c19c523ed8aae6fbc9
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6afa873170a612b2b9e392c19c523ed8aae6fbc9
# git clean -qxdf
# < git log -1
# commit 6afa873170a612b2b9e392c19c523ed8aae6fbc9
# Merge: 4c80ba392bf6 4eac734486fd
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Dec 16 10:06:04 2019 -0800
# 
#     Merge tag 'linux-kselftest-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
#     
#     Pull kselftest fixes from Shuah Khan:
#     
#      - ftrace and safesetid test fixes from Masami Hiramatsu
#     
#      - Kunit fixes from Brendan Higgins, Iurii Zaikin, and Heidi Fahim
#     
#      - Kselftest framework fixes from SeongJae Park and Michael Ellerman
#     
#     * tag 'linux-kselftest-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
#       kselftest: Support old perl versions
#       kselftest/runner: Print new line in print of timeout log
#       selftests: Fix dangling documentation references to kselftest_module.sh
#       Documentation: kunit: add documentation for kunit_tool
#       Documentation: kunit: fix typos and gramatical errors
#       kunit: testing kunit: Bug fix in test_run_timeout function
#       fs/ext4/inode-test: Fix inode test on 32 bit platforms.
#       selftests: safesetid: Fix Makefile to set correct test program
#       selftests: safesetid: Check the return value of setuid/setgid
#       selftests: safesetid: Move link library to LDLIBS
#       selftests/ftrace: Fix multiple kprobe testcase
#       selftests/ftrace: Do not to use absolute debugfs path
#       selftests/ftrace: Fix ftrace test cases to check unsupported
#       selftests/ftrace: Fix to check the existence of set_ftrace_filter
# < /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 6afa873170a612b2b9e392c19c523ed8aae6fbc9
# < make -s -j 24 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 24 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]
/kisskb/src/arch/s390/kernel/unwind_bc.c: In function '__unwind_start':
/kisskb/src/arch/s390/kernel/unwind_bc.c:161:12: warning: 'ip' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_s390-allnoconfig_s390x
# Build took: 0:00:17.792366