# git rev-parse -q --verify 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linux-next master
error: 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 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9^{commit}
9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9
# git checkout -q -f -B kisskb 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9
# git clean -qxdf
# < git log -1
# commit 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Fri Jan 18 15:22:27 2019 +1100
# 
#     Add linux-next specific files for 20190118
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version
# < git log --format=%s --max-count=1 9673b4aa71cae3c1a47a3cdc18ddbfe12f5380b9
# < make -s -j 10 ARCH=s390 O=/kisskb/build/linux-next_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  allnoconfig
# make -s -j 10 ARCH=s390 O=/kisskb/build/linux-next_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
<stdin>:1339:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp]
/kisskb/src/arch/s390/mm/pgtable.c:411:15: warning: 'pmd_alloc_map' defined but not used [-Wunused-function]
/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]
/kisskb/src/arch/s390/kernel/machine_kexec.c:145:22: warning: 'do_start_kdump' defined but not used [-Wunused-function]
Completed OK
# rm -rf /kisskb/build/linux-next_s390-allnoconfig_s390x
# Build took: 0:04:06.111222