# git rev-parse -q --verify 1bdbe227492075d058e37cb3d400e6468d0095b5^{commit}
1bdbe227492075d058e37cb3d400e6468d0095b5
already have revision, skipping fetch
# git checkout -q -f -B kisskb 1bdbe227492075d058e37cb3d400e6468d0095b5
# git clean -qxdf
# < git log -1
# commit 1bdbe227492075d058e37cb3d400e6468d0095b5
# Merge: f0ebbe9b18e0 58fec830fc19
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Jan 10 09:20:46 2019 -0800
# 
#     Merge tag 'vfio-v5.0-rc2' of git://github.com/awilliam/linux-vfio
#     
#     Pull VFIO fixes from Alex Williamson:
#     
#      - Fix trace header include path for in-tree builds (Masahiro Yamada)
#     
#      - Fix overflow in unmap wrap-around test (Alex Williamson)
#     
#     * tag 'vfio-v5.0-rc2' of git://github.com/awilliam/linux-vfio:
#       vfio/type1: Fix unmap overflow off-by-one
#       vfio/pci: set TRACE_INCLUDE_PATH to fix the build error
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-ld --version
# < git log --format=%s --max-count=1 1bdbe227492075d058e37cb3d400e6468d0095b5
# < make -s -j 48 ARCH=i386 O=/kisskb/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  i386_defconfig
# make -s -j 48 ARCH=i386 O=/kisskb/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:300: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 48 ARCH=i386 O=/kisskb/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_i386_defconfig_i386
# Build took: 0:00:02.634899