# git rev-parse -q --verify 297689545916c40b65a86d4871e5610a024c8993^{commit}
297689545916c40b65a86d4871e5610a024c8993
already have revision, skipping fetch
# git checkout -q -f -B kisskb 297689545916c40b65a86d4871e5610a024c8993
# git clean -qxdf
# < git log -1
# commit 297689545916c40b65a86d4871e5610a024c8993
# Merge: 228bd6243447 f50b6805dbb9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Oct 26 16:40:04 2019 -0400
# 
#     Merge tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
#     
#     Pull tty/serial driver fix from Greg KH:
#      "Here is a single tty/serial driver fix for 5.4-rc5 that resolves a
#       reported issue.
#     
#       It has been in linux-next for a while with no problems"
#     
#     * tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
#       8250-men-mcb: fix error checking when get_num_ports returns -ENODEV
# < /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 297689545916c40b65a86d4871e5610a024c8993
# < make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  defconfig
# make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
cc1: error: unrecognized command line option '-mtune=zEC12'
cc1: error: unrecognized command line option '-mtune=zEC12'
make[2]: *** [/kisskb/src/scripts/Makefile.build:99: scripts/mod/devicetable-offsets.s] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:266: scripts/mod/empty.o] Error 1
make[1]: *** [/kisskb/src/Makefile:1108: prepare0] Error 2
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_s390-defconfig_s390x
# Build took: 0:00:04.253990