# 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/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-ld --version
# < git log --format=%s --max-count=1 a215ce8f0e00c2d707080236f1aafec337371043
# < make -s -j 120 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  defconfig
# make -s -j 120 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
<stdin>:1333:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1336:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:16.210537