# git rev-parse -q --verify c12a29ed9094b4b9cde8965c12850460b9a79d7c^{commit}
c12a29ed9094b4b9cde8965c12850460b9a79d7c
already have revision, skipping fetch
# git checkout -q -f -B kisskb c12a29ed9094b4b9cde8965c12850460b9a79d7c
# git clean -qxdf
# < git log -1
# commit c12a29ed9094b4b9cde8965c12850460b9a79d7c
# Merge: e7c425b7441a 3743d55b289c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat May 15 10:24:48 2021 -0700
# 
#     Merge tag 'sched-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull scheduler fixes from Ingo Molnar:
#      "Fix an idle CPU selection bug, and an AMD Ryzen maximum frequency
#       enumeration bug"
#     
#     * tag 'sched-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
#       x86, sched: Fix the AMD CPPC maximum performance value on certain AMD Ryzen generations
#       sched/fair: Fix clearing of has_idle_cores flag in select_idle_cpu()
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 c12a29ed9094b4b9cde8965c12850460b9a79d7c
# < make -s -j 120 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 120 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 120 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 120 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:30.937060