# git rev-parse -q --verify c15f6d8d47152762a2819173599ce0eb135297f1^{commit}
c15f6d8d47152762a2819173599ce0eb135297f1
already have revision, skipping fetch
# git checkout -q -f -B kisskb c15f6d8d47152762a2819173599ce0eb135297f1
# git clean -qxdf
# < git log -1
# commit c15f6d8d47152762a2819173599ce0eb135297f1
# Merge: f4ef6a4 892a0be
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu May 3 06:27:39 2018 -1000
# 
#     Merge tag 'dma-mapping-4.17-4' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Pull dma-mapping fix from Christoph Hellwig:
#      "Fix an incorrect warning selection introduced in the last merge
#       window"
#     
#     * tag 'dma-mapping-4.17-4' of git://git.infradead.org/users/hch/dma-mapping:
#       swiotlb: fix inversed DMA_ATTR_NO_WARN test
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 c15f6d8d47152762a2819173599ce0eb135297f1
# < make -s -j 48 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  allnoconfig
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
# make -s -j 48 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
CONFIG_CC_STACKPROTECTOR_AUTO: Compiler does not support any known stack-protector
Completed OK
# rm -rf /kisskb/build/linus_xtensa-allnoconfig_xtensa
# Build took: 0:00:14.162686