# git rev-parse -q --verify aeb542a1b5c507ea117d21c3e3e012ba16f065ac^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify aeb542a1b5c507ea117d21c3e3e012ba16f065ac^{commit}
aeb542a1b5c507ea117d21c3e3e012ba16f065ac
# git checkout -q -f -B kisskb aeb542a1b5c507ea117d21c3e3e012ba16f065ac
# git clean -qxdf
# < git log -1
# commit aeb542a1b5c507ea117d21c3e3e012ba16f065ac
# Merge: b0b8a945ea29 140d7e88bb2a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Mar 6 07:18:36 2020 -0600
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge misc fixes from Andrew Morton:
#      "7 fixes"
#     
#     * emailed patches from Andrew Morton <akpm@linux-foundation.org>:
#       arch/Kconfig: update HAVE_RELIABLE_STACKTRACE description
#       mm, hotplug: fix page online with DEBUG_PAGEALLOC compiled but not enabled
#       mm/z3fold.c: do not include rwlock.h directly
#       fat: fix uninit-memory access for partial initialized inode
#       mm: avoid data corruption on CoW fault into PFN-mapped VMA
#       mm: fix possible PMD dirty bit lost in set_pmd_migration_entry()
#       mm, numa: fix bad pmd by atomically check for pmd_trans_huge when marking page tables prot_numa
# < /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 aeb542a1b5c507ea117d21c3e3e012ba16f065ac
# < make -s -j 80 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=0xF36BBE73
# 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
# < make -s -j 80 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-  help
# make -s -j 80 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-  olddefconfig
.config:5245:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 80 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:180: sub-make] Error 2
Command 'make -s -j 80 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: 0:00:29.100994