# git rev-parse -q --verify a59b851019bc15226d5c7c31ac4e0452e9a57d13^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-5.4.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 a59b851019bc15226d5c7c31ac4e0452e9a57d13^{commit}
a59b851019bc15226d5c7c31ac4e0452e9a57d13
# git checkout -q -f -B kisskb a59b851019bc15226d5c7c31ac4e0452e9a57d13
# git clean -qxdf
# < git log -1
# commit a59b851019bc15226d5c7c31ac4e0452e9a57d13
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Feb 4 07:21:26 2020 +0000
# 
#     Linux 5.4.18-rc3
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 a59b851019bc15226d5c7c31ac4e0452e9a57d13
# < make -s -j 32 ARCH=x86_64 O=/kisskb/build/stable-rc-5.4_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -s -j 32 ARCH=x86_64 O=/kisskb/build/stable-rc-5.4_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/tools/objtool
/kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: 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:664:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/stable-rc-5.4_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:00:34.472836