* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > Hello, Ingo, > > Back to the usual branched format! ;-) > > This pull request contains the following changes: > > 1. Documentation updates. > > http://lkml.kernel.org/r/20170724213605.GA8766@xxxxxxxxxxxxxxxxxx > > 2. Miscellaneous fixes. > > http://lkml.kernel.org/r/20170724214425.GA9665@xxxxxxxxxxxxxxxxxx > > (But note that I have dropped the cond_resched() commit.) > > 3. CPU-hotplug fixes. > > http://lkml.kernel.org/r/20170724215139.GA10881@xxxxxxxxxxxxxxxxxx > > 4. Miscellaneous non-RCU fixes. > > http://lkml.kernel.org/r/20170731225159.GA2674@xxxxxxxxxxxxxxxxxx > http://lkml.kernel.org/r/20170728204040.568-1-mathieu.desnoyers@xxxxxxxxxxxx > > 5. Removal of spin_unlock_wait(). > > http://lkml.kernel.org/r/20170731225754.GB2674@xxxxxxxxxxxxxxxxxx > http://lkml.kernel.org/r/20170811201247.GH3730@xxxxxxxxxxxxxxxxxx > > 6. SRCU updates. > > http://lkml.kernel.org/r/20170724221511.GA15085@xxxxxxxxxxxxxxxxxx > > 7. Torture-test updates. > > http://lkml.kernel.org/r/20170724222326.GA15933@xxxxxxxxxxxxxxxxxx > > All of these changes have been subjected to 0day Test Robot and -next > testing, and are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git for-mingo > > for you to fetch changes up to 656e7c0c0a2e8d899f87fd7f081ea7a711146604: > > Merge branches 'doc.2017.08.17a', 'fixes.2017.08.17a', 'hotplug.2017.07.25b', 'misc.2017.08.17a', 'spin_unlock_wait_no.2017.08.17a', 'srcu.2017.07.27c' and 'torture.2017.07.24c' into HEAD (2017-08-17 08:10:04 -0700) > > ---------------------------------------------------------------- > Joe Perches (1): > module: Fix pr_fmt() bug for header use of printk > > Luis R. Rodriguez (2): > swait: Add idle variants which don't contribute to load average > rcu: Use idle versions of swait to make idle-hack clear > > Manfred Spraul (1): > net/netfilter/nf_conntrack_core: Fix net_conntrack_lock() > > Masami Hiramatsu (1): > rcu/tracing: Set disable_rcu_irq_enter on rcu_eqs_exit() > > Mathieu Desnoyers (1): > membarrier: Provide expedited private command > > Oleg Nesterov (1): > task_work: Replace spin_unlock_wait() with lock/unlock pair > > Paul E. McKenney (55): > documentation: Fix relation between nohz_full and rcu_nocbs > init_task: Remove redundant INIT_TASK_RCU_TREE_PREEMPT() macro > srcu: Move rcu_scheduler_starting() from Tiny RCU to Tiny SRCU > rcutorture: Remove obsolete SRCU-C.boot > srcu: Make process_srcu() be static > rcutorture: Move SRCU status printing to SRCU implementations > rcutorture: Print SRCU lock/unlock totals > rcu: Remove CONFIG_TASKS_RCU ifdef from rcuperf.c > rcutorture: Select CONFIG_PROVE_LOCKING for Tiny SRCU scenario > torture: Add --kconfig argument to kvm.sh > rcutorture: Don't wait for kernel when all builds fail > rcutorture: Enable SRCU readers from timer handler > rcutorture: Place event-traced strings into trace buffer > rcutorture: Use nr_cpus rather than maxcpus to limit test size > rcutorture: Add task's CPU for rcutorture writer stalls > rcutorture: Eliminate unused ts_rem local from rcu_trace_clock_local() > rcu: Add last-CPU to GP-kthread starvation messages > rcutorture: Invoke call_rcu() from timer handler > rcu: Use timer as backstop for NOCB deferred wakeups > atomics: Revert addition of comment header to spin_unlock_wait() > rcu: Migrate callbacks earlier in the CPU-offline timeline > rcu: Make expedited GPs correctly handle hardware CPU insertion > torture: Fix typo suppressing CPU-hotplug statistics > rcu: Remove orphan/adopt event-tracing fields > rcu: Check for NOCB CPUs and empty lists earlier in CB migration > rcu: Make NOCB CPUs migrate CBs directly from outgoing CPU > rcu: Advance outgoing CPU's callbacks before migrating them > rcu: Eliminate rcu_state ->orphan_lock > rcu: Advance callbacks after migration > rcu: Localize rcu_state ->orphan_pend and ->orphan_done > rcu: Remove unused RCU list functions > rcu: Move callback-list warning to irq-disable region > srcu: Provide ordering for CPU not involved in grace period > sched: Replace spin_unlock_wait() with lock/unlock pair > rcu: Drive TASKS_RCU directly off of PREEMPT > rcu: Create reasonable API for do_exit() TASKS_RCU processing > rcu: Add TPS() to event-traced strings > rcu: Move rcu.h to new trivial-function style > rcu: Add event tracing to ->gp_tasks update at GP start > rcu: Add TPS() protection for _rcu_barrier_trace strings > rcu: Add assertions verifying blocked-tasks list > rcu: Add warning to rcu_idle_enter() for irqs enabled > rcu: Remove exports from rcu_idle_exit() and rcu_idle_enter() > doc: Update RCU documentation > doc: Update memory-barriers.txt for read-to-write dependencies > doc: Add RCU files to docbook-generation files > doc: No longer allowed to use rcu_dereference on non-pointers > doc: Set down RCU's scheduling-clock-interrupt needs > completion: Replace spin_unlock_wait() with lock/unlock pair > exit: Replace spin_unlock_wait() with lock/unlock pair > ipc: Replace spin_unlock_wait() with lock/unlock pair > drivers/ata: Replace spin_unlock_wait() with lock/unlock pair > locking: Remove spin_unlock_wait() generic definitions > arch: Remove spin_unlock_wait() arch-specific definitions > Merge branches 'doc.2017.08.17a', 'fixes.2017.08.17a', 'hotplug.2017.07.25b', 'misc.2017.08.17a', 'spin_unlock_wait_no.2017.08.17a', 'srcu.2017.07.27c' and 'torture.2017.07.24c' into HEAD > > Peter Zijlstra (Intel) (1): > rcu: Make rcu_idle_enter() rely on callers disabling irqs > > Tejun Heo (1): > sched: Allow migrating kthreads into online but inactive CPUs > > .../RCU/Design/Requirements/Requirements.html | 130 +++++++++++ > Documentation/RCU/checklist.txt | 121 +++++++---- > Documentation/RCU/rcu.txt | 9 +- > Documentation/RCU/rcu_dereference.txt | 61 ++---- > Documentation/RCU/rcubarrier.txt | 5 + > Documentation/RCU/torture.txt | 20 +- > Documentation/RCU/whatisRCU.txt | 5 +- > Documentation/admin-guide/kernel-parameters.txt | 7 +- > Documentation/core-api/kernel-api.rst | 49 +++++ > Documentation/memory-barriers.txt | 41 ++-- > MAINTAINERS | 2 +- > arch/alpha/include/asm/spinlock.h | 5 - > arch/arc/include/asm/spinlock.h | 5 - > arch/arm/include/asm/spinlock.h | 16 -- > arch/arm64/include/asm/spinlock.h | 58 +---- > arch/arm64/kernel/process.c | 2 + > arch/blackfin/include/asm/spinlock.h | 5 - > arch/blackfin/kernel/module.c | 39 ++-- > arch/hexagon/include/asm/spinlock.h | 5 - > arch/ia64/include/asm/spinlock.h | 21 -- > arch/m32r/include/asm/spinlock.h | 5 - > arch/metag/include/asm/spinlock.h | 5 - > arch/mn10300/include/asm/spinlock.h | 5 - > arch/parisc/include/asm/spinlock.h | 7 - > arch/powerpc/include/asm/spinlock.h | 33 --- > arch/s390/include/asm/spinlock.h | 7 - > arch/sh/include/asm/spinlock-cas.h | 5 - > arch/sh/include/asm/spinlock-llsc.h | 5 - > arch/sparc/include/asm/spinlock_32.h | 5 - > arch/tile/include/asm/spinlock_32.h | 2 - > arch/tile/include/asm/spinlock_64.h | 2 - > arch/tile/lib/spinlock_32.c | 23 -- > arch/tile/lib/spinlock_64.c | 22 -- > arch/xtensa/include/asm/spinlock.h | 5 - > drivers/ata/libata-eh.c | 8 +- > include/asm-generic/qspinlock.h | 14 -- > include/linux/init_task.h | 8 +- > include/linux/rcupdate.h | 15 +- > include/linux/rcutiny.h | 8 +- > include/linux/sched.h | 5 +- > include/linux/spinlock.h | 31 --- > include/linux/spinlock_up.h | 6 - > include/linux/srcutiny.h | 13 ++ > include/linux/srcutree.h | 3 +- > include/linux/swait.h | 55 +++++ > include/trace/events/rcu.h | 7 +- > include/uapi/linux/membarrier.h | 23 +- > ipc/sem.c | 3 +- > kernel/Makefile | 1 - > kernel/cpu.c | 1 + > kernel/exit.c | 10 +- > kernel/locking/qspinlock.c | 117 ---------- > kernel/membarrier.c | 70 ------ > kernel/rcu/Kconfig | 3 +- > kernel/rcu/rcu.h | 128 ++--------- > kernel/rcu/rcu_segcblist.c | 108 +++------- > kernel/rcu/rcu_segcblist.h | 28 +-- > kernel/rcu/rcuperf.c | 17 +- > kernel/rcu/rcutorture.c | 83 +++---- > kernel/rcu/srcutiny.c | 8 + > kernel/rcu/srcutree.c | 50 ++++- > kernel/rcu/tiny.c | 2 - > kernel/rcu/tiny_plugin.h | 47 ---- > kernel/rcu/tree.c | 213 ++++++++---------- > kernel/rcu/tree.h | 15 +- > kernel/rcu/tree_exp.h | 2 +- > kernel/rcu/tree_plugin.h | 238 ++++++++++++--------- > kernel/rcu/update.c | 18 +- > kernel/sched/Makefile | 1 + > kernel/sched/completion.c | 11 +- > kernel/sched/core.c | 38 +++- > kernel/sched/membarrier.c | 152 +++++++++++++ > kernel/task_work.c | 8 +- > kernel/torture.c | 2 +- > net/netfilter/nf_conntrack_core.c | 52 +++-- > .../selftests/rcutorture/bin/config_override.sh | 61 ++++++ > .../testing/selftests/rcutorture/bin/functions.sh | 27 ++- > .../testing/selftests/rcutorture/bin/kvm-build.sh | 11 +- > .../selftests/rcutorture/bin/kvm-test-1-run.sh | 58 ++--- > tools/testing/selftests/rcutorture/bin/kvm.sh | 34 ++- > .../selftests/rcutorture/configs/rcu/BUSTED.boot | 2 +- > .../selftests/rcutorture/configs/rcu/SRCU-C.boot | 1 - > .../selftests/rcutorture/configs/rcu/SRCU-u | 3 +- > .../selftests/rcutorture/configs/rcu/TREE01.boot | 2 +- > .../selftests/rcutorture/doc/TREE_RCU-kconfig.txt | 2 +- > 85 files changed, 1237 insertions(+), 1323 deletions(-) > delete mode 100644 kernel/membarrier.c > delete mode 100644 kernel/rcu/tiny_plugin.h > create mode 100644 kernel/sched/membarrier.c > create mode 100755 tools/testing/selftests/rcutorture/bin/config_override.sh > delete mode 100644 tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot Pulled, thanks a lot Paul! Ingo
