# git rev-parse -q --verify 21e90543f836d29dae6ec06215a6e52419913d7b^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-5.1.y
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 21e90543f836d29dae6ec06215a6e52419913d7b^{commit}
21e90543f836d29dae6ec06215a6e52419913d7b
# git checkout -q -f -B kisskb 21e90543f836d29dae6ec06215a6e52419913d7b
# git clean -qxdf
# < git log -1
# commit 21e90543f836d29dae6ec06215a6e52419913d7b
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Jul 24 21:17:09 2019 +0200
# 
#     Linux 5.1.20-rc1
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-ld --version
# < git log --format=%s --max-count=1 21e90543f836d29dae6ec06215a6e52419913d7b
# < make -s -j 48 ARCH=i386 O=/kisskb/build/stable-rc-5.1_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  allnoconfig
# make -s -j 48 ARCH=i386 O=/kisskb/build/stable-rc-5.1_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/stable-rc-5.1_i386-allnoconfig_i386
# Build took: 0:05:23.543369