# git rev-parse -q --verify ab63e725b49c80f941446327d79ba5b68593bf5a^{commit}
ab63e725b49c80f941446327d79ba5b68593bf5a
already have revision, skipping fetch
# git checkout -q -f -B kisskb ab63e725b49c80f941446327d79ba5b68593bf5a
# git clean -qxdf
# < git log -1
# commit ab63e725b49c80f941446327d79ba5b68593bf5a
# Merge: 8c9dff1ebd72 c5c08bed843c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Dec 19 18:40:48 2018 -0800
# 
#     Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
#     
#     Pull virtio fix from Michael Tsirkin:
#      "A last-minute fix for a test build"
#     
#     * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
#       virtio: fix test build after uio.h change
# < /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 ab63e725b49c80f941446327d79ba5b68593bf5a
# < make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386-allmodconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  allmodconfig
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_SAMPLES=n
# yes \n | make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386-allmodconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386-allmodconfig_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:311: checkbin] Error 1
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386-allmodconfig_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-allmodconfig_i386
# Build took: 0:00:05.795602