# git rev-parse -q --verify 1930a6e739c4b4a654a69164dbe39e554d228915^{commit}
1930a6e739c4b4a654a69164dbe39e554d228915
already have revision, skipping fetch
# git checkout -q -f -B kisskb 1930a6e739c4b4a654a69164dbe39e554d228915
# git clean -qxdf
# < git log -1
# commit 1930a6e739c4b4a654a69164dbe39e554d228915
# Merge: 0a815d0135f1 dcbc65aac283
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Mar 28 17:29:53 2022 -0700
# 
#     Merge tag 'ptrace-cleanups-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
#     
#     Pull ptrace cleanups from Eric Biederman:
#      "This set of changes removes tracehook.h, moves modification of all of
#       the ptrace fields inside of siglock to remove races, adds a missing
#       permission check to ptrace.c
#     
#       The removal of tracehook.h is quite significant as it has been a major
#       source of confusion in recent years. Much of that confusion was around
#       task_work and TIF_NOTIFY_SIGNAL (which I have now decoupled making the
#       semantics clearer).
#     
#       For people who don't know tracehook.h is a vestiage of an attempt to
#       implement uprobes like functionality that was never fully merged, and
#       was later superseeded by uprobes when uprobes was merged. For many
#       years now we have been removing what tracehook functionaly a little
#       bit at a time. To the point where anything left in tracehook.h was
#       some weird strange thing that was difficult to understand"
#     
#     * tag 'ptrace-cleanups-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
#       ptrace: Remove duplicated include in ptrace.c
#       ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
#       ptrace: Return the signal to continue with from ptrace_stop
#       ptrace: Move setting/clearing ptrace_message into ptrace_stop
#       tracehook: Remove tracehook.h
#       resume_user_mode: Move to resume_user_mode.h
#       resume_user_mode: Remove #ifdef TIF_NOTIFY_RESUME in set_notify_resume
#       signal: Move set_notify_signal and clear_notify_signal into sched/signal.h
#       task_work: Decouple TIF_NOTIFY_SIGNAL and task_work
#       task_work: Call tracehook_notify_signal from get_signal on all architectures
#       task_work: Introduce task_work_pending
#       task_work: Remove unnecessary include from posix_timers.h
#       ptrace: Remove tracehook_signal_handler
#       ptrace: Remove arch_syscall_{enter,exit}_tracehook
#       ptrace: Create ptrace_report_syscall_{entry,exit} in ptrace.h
#       ptrace/arm: Rename tracehook_report_syscall report_syscall
#       ptrace: Move ptrace_report_syscall into ptrace.h
# < /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 1930a6e739c4b4a654a69164dbe39e554d228915
# < 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 help
# 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 olddefconfig
# 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 
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:01:02.615212