# git rev-parse -q --verify c88e40e07cd967dcdf37321a63ab6e8b0d881100^{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 c88e40e07cd967dcdf37321a63ab6e8b0d881100^{commit}
c88e40e07cd967dcdf37321a63ab6e8b0d881100
# git checkout -q -f -B kisskb c88e40e07cd967dcdf37321a63ab6e8b0d881100
# git clean -qxdf
# < git log -1
# commit c88e40e07cd967dcdf37321a63ab6e8b0d881100
# Merge: 39071cf828b4 63b2de12b7ee
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Jun 25 03:41:03 2019 +0800
# 
#     Merge tag 'mfd-fixes-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
#     
#     Pull mfd bugfix from Lee Jones.
#     
#     Fix stmfx type confusion between regmap_read() (which takes an "u32")
#     and the bitmap operations (which take an "unsigned long" array).
#     
#     * tag 'mfd-fixes-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
#       mfd: stmfx: Fix an endian bug in stmfx_irq_handler()
#       mfd: stmfx: Uninitialized variable in stmfx_irq_handler()
# < /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 c88e40e07cd967dcdf37321a63ab6e8b0d881100
# < make -s -j 80 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 80 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: 0:01:19.252900