# git rev-parse -q --verify a215ce8f0e00c2d707080236f1aafec337371043^{commit}
a215ce8f0e00c2d707080236f1aafec337371043
already have revision, skipping fetch
# git checkout -q -f -B kisskb a215ce8f0e00c2d707080236f1aafec337371043
# git clean -qxdf
# < git log -1
# commit a215ce8f0e00c2d707080236f1aafec337371043
# Merge: 2d28e01dca1a cffaaf0c8162
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Mar 1 09:13:04 2019 -0800
# 
#     Merge tag 'iommu-fix-v5.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
#     
#     Pull IOMMU fix from Joerg Roedel:
#      "One important fix for a memory corruption issue in the Intel VT-d
#       driver that triggers on hardware with deep PCI hierarchies"
#     
#     * tag 'iommu-fix-v5.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
#       iommu/dmar: Fix buffer overflow during PCI bus notification
# < /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 a215ce8f0e00c2d707080236f1aafec337371043
# < 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: 0:00:02.667929