# git rev-parse -q --verify 8214bdf7d3e69050221aad19ec28826ed6cb4934^{commit}
8214bdf7d3e69050221aad19ec28826ed6cb4934
already have revision, skipping fetch
# git checkout -q -f -B kisskb 8214bdf7d3e69050221aad19ec28826ed6cb4934
# git clean -qxdf
# < git log -1
# commit 8214bdf7d3e69050221aad19ec28826ed6cb4934
# Merge: 570c9139c358 b7d624ab4312
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Dec 8 11:44:04 2018 -0800
# 
#     Merge tag 'asm-generic-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
#     
#     Pull asm-generic fix from Arnd Bergmann:
#      "Multiple people reported a bug I introduced in asm-generic/unistd.h in
#       4.20, this is the obvious bugfix to get glibc and others to correctly
#       build again on new architectures that no longer provide the old
#       fstatat64() family of system calls"
#     
#     * tag 'asm-generic-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
#       asm-generic: unistd.h: fixup broken macro include.
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 8214bdf7d3e69050221aad19ec28826ed6cb4934
# < 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
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
# 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>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:17.024763