# git rev-parse -q --verify 8e2e0104ef78d49a51db9acfd24eaf6d52dc779e^{commit}
8e2e0104ef78d49a51db9acfd24eaf6d52dc779e
already have revision, skipping fetch
# git checkout -q -f -B kisskb 8e2e0104ef78d49a51db9acfd24eaf6d52dc779e
# git clean -qxdf
# < git log -1
# commit 8e2e0104ef78d49a51db9acfd24eaf6d52dc779e
# Merge: ec97a7296ad1 a994eddb947e
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Apr 14 10:55:56 2021 -0700
# 
#     Merge tag 's390-5.12-7' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
#     
#     Pull s390 fixes from Heiko Carstens:
#     
#      - setup stack backchain properly in external and i/o interrupt handler
#        to fix stack unwinding. This broke when converting to generic entry
#     
#       - save caller address of psw_idle to get a sane stacktrace
#     
#     * tag 's390-5.12-7' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
#       s390/entry: save the caller of psw_idle
#       s390/entry: avoid setting up backchain in ext|io handlers
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 8e2e0104ef78d49a51db9acfd24eaf6d52dc779e
# < make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# < make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_x86_64_defconfig_x86_64-gcc8
# Build took: 0:01:28.314369