# git rev-parse -q --verify 285848b0f4074f04ab606f1e5dca296482033d54^{commit}
285848b0f4074f04ab606f1e5dca296482033d54
already have revision, skipping fetch
# git checkout -q -f -B kisskb 285848b0f4074f04ab606f1e5dca296482033d54
# git clean -qxdf
# < git log -1
# commit 285848b0f4074f04ab606f1e5dca296482033d54
# Merge: 4c50cea d848e5f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Apr 21 21:20:48 2018 -0700
# 
#     Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
#     
#     Pull /dev/random fixes from Ted Ts'o:
#      "Fix some bugs in the /dev/random driver which causes getrandom(2) to
#       unblock earlier than designed.
#     
#       Thanks to Jann Horn from Google's Project Zero for pointing this out
#       to me"
#     
#     * tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
#       random: add new ioctl RNDRESEEDCRNG
#       random: crng_reseed() should lock the crng instance that it is modifying
#       random: set up the NUMA crng instances after the CRNG is fully initialized
#       random: use a different mixing algorithm for add_device_randomness()
#       random: fix crng_ready() test
# < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version
# < git log --format=%s --max-count=1 285848b0f4074f04ab606f1e5dca296482033d54
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  pseries_le_defconfig
# make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  
WARNING: modpost: Found 3 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/linus_pseries_le_defconfig_ppc64le
# Build took: 0:00:53.072612