# git rev-parse -q --verify a5fff14a0c7989fbc8316a43f52aed1804f02ddd^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
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 a5fff14a0c7989fbc8316a43f52aed1804f02ddd^{commit}
a5fff14a0c7989fbc8316a43f52aed1804f02ddd
# git checkout -q -f -B kisskb a5fff14a0c7989fbc8316a43f52aed1804f02ddd
# git clean -qxdf
# < git log -1
# commit a5fff14a0c7989fbc8316a43f52aed1804f02ddd
# Merge: ecbe5086adc2 875185309199
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jul 5 11:39:56 2019 +0900
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge more fixes from Andrew Morton:
#      "5 fixes"
#     
#     * emailed patches from Andrew Morton <akpm@linux-foundation.org>:
#       swap_readpage(): avoid blk_wake_io_task() if !synchronous
#       devres: allow const resource arguments
#       mm/vmscan.c: prevent useless kswapd loops
#       fs/userfaultfd.c: disable irqs for fault_pending and event locks
#       mm/page_alloc.c: fix regression with deferred struct page init
# < /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 a5fff14a0c7989fbc8316a43f52aed1804f02ddd
# < make -s -j 10 ARCH=s390 O=/kisskb/build/linus_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/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/s390/kernel/machine_kexec.c:146:22: warning: 'do_start_kdump' defined but not used [-Wunused-function]
Completed OK
# rm -rf /kisskb/build/linus_s390-allnoconfig_s390x
# Build took: 0:00:25.809019