# git rev-parse -q --verify 28e92f990337b8b4c5fdec47667f8b96089c503e^{commit}
28e92f990337b8b4c5fdec47667f8b96089c503e
already have revision, skipping fetch
# git checkout -q -f -B kisskb 28e92f990337b8b4c5fdec47667f8b96089c503e
# git clean -qxdf
# < git log -1
# commit 28e92f990337b8b4c5fdec47667f8b96089c503e
# Merge: da803f82faa5 641faf1b9064
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jul 4 12:58:33 2021 -0700
# 
#     Merge branch 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
#     
#     Pull RCU updates from Paul McKenney:
#     
#      - Bitmap parsing support for "all" as an alias for all bits
#     
#      - Documentation updates
#     
#      - Miscellaneous fixes, including some that overlap into mm and lockdep
#     
#      - kvfree_rcu() updates
#     
#      - mem_dump_obj() updates, with acks from one of the slab-allocator
#        maintainers
#     
#      - RCU NOCB CPU updates, including limited deoffloading
#     
#      - SRCU updates
#     
#      - Tasks-RCU updates
#     
#      - Torture-test updates
#     
#     * 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (78 commits)
#       tasks-rcu: Make show_rcu_tasks_gp_kthreads() be static inline
#       rcu-tasks: Make ksoftirqd provide RCU Tasks quiescent states
#       rcu: Add missing __releases() annotation
#       rcu: Remove obsolete rcu_read_unlock() deadlock commentary
#       rcu: Improve comments describing RCU read-side critical sections
#       rcu: Create an unrcu_pointer() to remove __rcu from a pointer
#       srcu: Early test SRCU polling start
#       rcu: Fix various typos in comments
#       rcu/nocb: Unify timers
#       rcu/nocb: Prepare for fine-grained deferred wakeup
#       rcu/nocb: Only cancel nocb timer if not polling
#       rcu/nocb: Delete bypass_timer upon nocb_gp wakeup
#       rcu/nocb: Cancel nocb_timer upon nocb_gp wakeup
#       rcu/nocb: Allow de-offloading rdp leader
#       rcu/nocb: Directly call __wake_nocb_gp() from bypass timer
#       rcu: Don't penalize priority boosting when there is nothing to boost
#       rcu: Point to documentation of ordering guarantees
#       rcu: Make rcu_gp_cleanup() be noinline for tracing
#       rcu: Restrict RCU_STRICT_GRACE_PERIOD to at most four CPUs
#       rcu: Make show_rcu_gp_kthreads() dump rcu_node structures blocking GP
#       ...
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-ld --version
# < git log --format=%s --max-count=1 28e92f990337b8b4c5fdec47667f8b96089c503e
# < make -s -j 32 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  defconfig
# < make -s -j 32 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  help
# make -s -j 32 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  olddefconfig
# make -s -j 32 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:36.567400