# git rev-parse -q --verify 42e9c85f5c7296c4ec02644a2b3debc7120e2bf4^{commit}
42e9c85f5c7296c4ec02644a2b3debc7120e2bf4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 42e9c85f5c7296c4ec02644a2b3debc7120e2bf4
# git clean -qxdf
# < git log -1
# commit 42e9c85f5c7296c4ec02644a2b3debc7120e2bf4
# Merge: 52366a107bf0 20dc3847cc2f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Jun 25 16:16:49 2020 -0700
# 
#     Merge tag 'trace-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
#     
#     Pull tracing fixes from Steven Rostedt:
#      "Four small fixes:
#     
#        - Fix a ringbuffer bug for nested events having time go backwards
#     
#        - Fix a config dependency for boot time tracing to depend on
#          synthetic events instead of histograms.
#     
#        - Fix trigger format parsing to handle multiple spaces
#     
#        - Fix bootconfig to handle failures in multiple events"
#     
#     * tag 'trace-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
#       tracing/boottime: Fix kprobe multiple events
#       tracing: Fix event trigger to accept redundant spaces
#       tracing/boot: Fix config dependency for synthedic event
#       ring-buffer: Zero out time extend if it is nested and not absolute
# < /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 42e9c85f5c7296c4ec02644a2b3debc7120e2bf4
# < make -s -j 32 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 32 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 32 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 32 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: 0:00:51.218092