# git rev-parse -q --verify 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1^{commit}
0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
# git clean -qxdf
# < git log -1
# commit 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
# Author: Christoph Hellwig <hch@lst.de>
# Date:   Sat Dec 22 09:21:08 2018 +0100
# 
#     dma-mapping: fix flags in dma_alloc_wc
#     
#     We really need the writecombine flag in dma_alloc_wc, fix a stupid
#     oversight.
#     
#     Fixes: 7ed1d91a9e ("dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN")
#     Signed-off-by: Christoph Hellwig <hch@lst.de>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /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 0cd60eb1a7b5421e92a3489e1829bfb2243e21e1
# < make -s -j 48 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 48 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 48 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:304: checkbin] Error 1
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 48 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: 0:00:05.957146