# git rev-parse -q --verify da05b5ea12c1e50b2988a63470d6b69434796f8b^{commit}
da05b5ea12c1e50b2988a63470d6b69434796f8b
already have revision, skipping fetch
# git checkout -q -f -B kisskb da05b5ea12c1e50b2988a63470d6b69434796f8b
# git clean -qxdf
# < git log -1
# commit da05b5ea12c1e50b2988a63470d6b69434796f8b
# Merge: a7b7b772bb4a e430d802d6a3
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Sep 26 15:53:17 2019 -0700
# 
#     Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull timer fix from Ingo Molnar:
#      "Fix a timer expiry bug that would cause spurious delay of timers"
#     
#     * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
#       timer: Read jiffies once when forwarding base clk
# < /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 da05b5ea12c1e50b2988a63470d6b69434796f8b
# < make -s -j 24 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 24 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:1128: prepare0] Error 2
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 24 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: 0:00:03.855578