# git rev-parse -q --verify 94e89b40235476a83a53a47b9ffb0cb91a4c335e^{commit}
94e89b40235476a83a53a47b9ffb0cb91a4c335e
already have revision, skipping fetch
# git checkout -q -f -B kisskb 94e89b40235476a83a53a47b9ffb0cb91a4c335e
# git clean -qxdf
# < git log -1
# commit 94e89b40235476a83a53a47b9ffb0cb91a4c335e
# Merge: f74fd13f4585 9917b54aded1
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Dec 7 14:51:04 2019 -0800
# 
#     Merge tag 'vfio-v5.5-rc1' of git://github.com/awilliam/linux-vfio
#     
#     Pull VFIO updates from Alex Williamson:
#     
#      - Remove hugepage checks for reserved pfns (Ben Luo)
#     
#      - Fix irq-bypass unregister ordering (Jiang Yi)
#     
#     * tag 'vfio-v5.5-rc1' of git://github.com/awilliam/linux-vfio:
#       vfio/pci: call irq_bypass_unregister_producer() before freeing irq
#       vfio/type1: remove hugepage checks in is_invalid_reserved_pfn()
# < /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 94e89b40235476a83a53a47b9ffb0cb91a4c335e
# < make -s -j 24 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
# make -s -j 24 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
Completed OK
# rm -rf /kisskb/build/linus_xtensa-allnoconfig_xtensa
# Build took: 0:00:16.968359