# git rev-parse -q --verify 18d49ec3c62f46d7225f822e112742fbe0daf94b^{commit}
18d49ec3c62f46d7225f822e112742fbe0daf94b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 18d49ec3c62f46d7225f822e112742fbe0daf94b
# git clean -qxdf
# < git log -1
# commit 18d49ec3c62f46d7225f822e112742fbe0daf94b
# Merge: a83f87c1d2a9 d59f532480f5
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sun Sep 23 13:32:19 2018 +0200
# 
#     Merge tag 'for-linus-4.19d-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
#     
#     Juergen writes:
#       "xen:
#        Two small fixes for xen drivers."
#     
#     * tag 'for-linus-4.19d-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
#       xen: issue warning message when out of grant maptrack entries
#       xen/x86/vpmu: Zero struct pt_regs before calling into sample handling code
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 18d49ec3c62f46d7225f822e112742fbe0daf94b
# < make -s -j 120 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 120 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>: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-allnoconfig_xtensa
# Build took: 0:00:09.541132