# git rev-parse -q --verify db70e26e33eef1b148ca1c9f50de92203ec7e82e^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify db70e26e33eef1b148ca1c9f50de92203ec7e82e^{commit}
db70e26e33eef1b148ca1c9f50de92203ec7e82e
# git checkout -q -f -B kisskb db70e26e33eef1b148ca1c9f50de92203ec7e82e
# git clean -qxdf
# < git log -1
# commit db70e26e33eef1b148ca1c9f50de92203ec7e82e
# Merge: 54654e142d9e 3dbae1553897
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Feb 15 16:49:25 2020 -0800
# 
#     Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
#     
#     Pull input updates from Dmitry Torokhov:
#     
#      - a few drivers have been updated to use flexible-array syntax instead
#        of GCC extension
#     
#      - ili210x touchscreen driver now supports the 2120 protocol flavor
#     
#      - a couple more of Synaptics devices have been switched over to RMI4
#     
#     * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
#       Input: cyapa - replace zero-length array with flexible-array member
#       Input: tca6416-keypad - replace zero-length array with flexible-array member
#       Input: gpio_keys_polled - replace zero-length array with flexible-array member
#       Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
#       Input: synaptics - enable SMBus on ThinkPad L470
#       Input: synaptics - switch T470s to RMI4 by default
#       Input: gpio_keys - replace zero-length array with flexible-array member
#       Input: goldfish_events - replace zero-length array with flexible-array member
#       Input: psmouse - switch to using i2c_new_scanned_device()
#       Input: ili210x - add ili2120 support
#       Input: ili210x - fix return value of is_visible function
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 db70e26e33eef1b148ca1c9f50de92203ec7e82e
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  randconfig
KCONFIG_SEED=0xB1CE5471
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n
# Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n
# Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n
# yes \n | make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:309: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_um-x86_64
# Build took: 0:00:06.238583