# git rev-parse -q --verify 85f78456f286da46fb054c7d45e4193cb757ac83^{commit}
85f78456f286da46fb054c7d45e4193cb757ac83
already have revision, skipping fetch
# git checkout -q -f -B kisskb 85f78456f286da46fb054c7d45e4193cb757ac83
# git clean -qxdf
# < git log -1
# commit 85f78456f286da46fb054c7d45e4193cb757ac83
# Merge: cacf02df4b84 574d356b7a02
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Jan 2 12:11:01 2019 -0800
# 
#     Merge tag '9p-for-4.21' of git://github.com/martinetd/linux
#     
#     Pull 9p updates from Dominique Martinet:
#      "Missing prototype warning fix and a syzkaller fix when a 9p server
#       advertises a too small msize"
#     
#     * tag '9p-for-4.21' of git://github.com/martinetd/linux:
#       9p/net: put a lower bound on msize
#       net/9p: include trans_common.h to fix missing prototype warning.
# < /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 85f78456f286da46fb054c7d45e4193cb757ac83
# < make -s -j 8 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 8 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_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-allnoconfig_xtensa
# Build took: 0:00:16.573763