# git rev-parse -q --verify a70385240892bcbc6442b054e847c74100e72f1a^{commit}
a70385240892bcbc6442b054e847c74100e72f1a
already have revision, skipping fetch
# git checkout -q -f -B kisskb a70385240892bcbc6442b054e847c74100e72f1a
# git clean -qxdf
# < git log -1
# commit a70385240892bcbc6442b054e847c74100e72f1a
# Merge: c70055d8d9a0 21da7472a040
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 23 10:14:45 2022 -0700
# 
#     Merge tag 'perf_urgent_for_v6.1_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull perf fixes from Borislav Petkov:
#     
#      - Fix raw data handling when perf events are used in bpf
#     
#      - Rework how SIGTRAPs get delivered to events to address a bunch of
#        problems with it. Add a selftest for that too
#     
#     * tag 'perf_urgent_for_v6.1_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
#       bpf: Fix sample_flags for bpf_perf_event_output
#       selftests/perf_events: Add a SIGTRAP stress test with disables
#       perf: Fix missing SIGTRAPs
# < /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 a70385240892bcbc6442b054e847c74100e72f1a
# < make -s -j 40 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 40 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 40 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 40 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/util.c:17:24: fatal error: sys/random.h: No such file or directory
compilation terminated.
make[3]: *** [/kisskb/src/scripts/Makefile.build:250: arch/um/os-Linux/util.o] Error 1
make[2]: *** [/kisskb/src/scripts/Makefile.build:500: arch/um/os-Linux] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1992: .] Error 2
make: *** [Makefile:231: __sub-make] Error 2
Command 'make -s -j 40 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 ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:27.517652