# git rev-parse -q --verify abb8d6ecbd8f7801c048f6543f79d22d24cead7b^{commit}
abb8d6ecbd8f7801c048f6543f79d22d24cead7b
already have revision, skipping fetch
# git checkout -q -f -B kisskb abb8d6ecbd8f7801c048f6543f79d22d24cead7b
# git clean -qxdf
# < git log -1
# commit abb8d6ecbd8f7801c048f6543f79d22d24cead7b
# Merge: 2acee31cce65 1aed58e67a6e
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Dec 6 10:35:19 2018 -0800
# 
#     Merge tag 'trace-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pull tracing fix from Steven Rostedt:
#      "This is a single commit that fixes a bug in uprobes SDT code due to a
#       missing mutex protection"
#     
#     * tag 'trace-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       Uprobes: Fix kernel oops with delayed_uprobe_remove()
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 abb8d6ecbd8f7801c048f6543f79d22d24cead7b
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  allnoconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_powerpc-allnoconfig_powerpc
# Build took: 0:00:12.575184