# git rev-parse -q --verify de620fb99ef2bd52b2c5bc52656e89dcfc0e223a^{commit}
de620fb99ef2bd52b2c5bc52656e89dcfc0e223a
already have revision, skipping fetch
# git checkout -q -f -B kisskb de620fb99ef2bd52b2c5bc52656e89dcfc0e223a
# git clean -qxdf
# < git log -1
# commit de620fb99ef2bd52b2c5bc52656e89dcfc0e223a
# Merge: 72d5ac679e246 937c6b27c73e0
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Nov 11 12:41:14 2019 -0800
# 
#     Merge branch 'for-5.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
#     
#     Pull cgroup fix from Tejun Heo:
#      "There's an inadvertent preemption point in ptrace_stop() which was
#       reliably triggering for a test scenario significantly slowing it down.
#     
#       This contains Oleg's fix to remove the unwanted preemption point"
#     
#     * 'for-5.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
#       cgroup: freezer: call cgroup_enter_frozen() with preemption disabled in ptrace_stop()
# < /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 de620fb99ef2bd52b2c5bc52656e89dcfc0e223a
# < make -s -j 8 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 8 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 
/kisskb/src/arch/um/os-Linux/signal.c: In function 'sig_handler_common':
/kisskb/src/arch/um/os-Linux/signal.c:51:1: warning: the frame size of 2960 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/arch/um/os-Linux/signal.c: In function 'timer_real_alarm_handler':
/kisskb/src/arch/um/os-Linux/signal.c:95:1: warning: the frame size of 2960 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:57.777296