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Message-ID: <20151019081521.GA26343@gmail.com> Date: Mon, 19 Oct 2015 10:15:21 +0200 From: Ingo Molnar <mingo@...nel.org> To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Cc: linux-kernel@...r.kernel.org, dave@...olabs.net, boqun.feng@...il.com, pmladek@...e.com, patrick.marlier@...il.com, Jason@...c4.com, oleg@...hat.com, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [GIT PULL rcu/next] RCU commits for 4.4 * Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote: > Hello, Ingo, > > The changes in this series include the following: > > 1. Miscellaneous fixes. These were posted to LKML at > https://lkml.org/lkml/2015/10/6/496. > > 2. Improvements to expedited grace periods. These were posted to > LKML at https://lkml.org/lkml/2015/10/6/541. > > 3. Documentation updates. These were posted to LKML at > https://lkml.org/lkml/2015/10/6/560. > > 4. Performance improvements to and locktorture tests for percpu-rwsem. > These were posted to LKML at https://lkml.org/lkml/2015/10/6/576. > > 5. Torture-test changes. These were posted to LKML at > https://lkml.org/lkml/2015/10/6/590. > > 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 39cd2dd39a8b92ce91c4dad95f6e979c946a3942: > > Merge branches 'doc.2015.10.06a', 'percpu-rwsem.2015.10.06a' and 'torture.2015.10.06a' into HEAD (2015-10-07 16:06:25 -0700) > > ---------------------------------------------------------------- > Boqun Feng (3): > rcu: Use rcu_callback_t in call_rcu*() and friends > rcu: Use call_rcu_func_t to replace explicit type equivalents > rcu: Don't disable preemption for Tiny and Tree RCU readers > > Davidlohr Bueso (2): > sched: Export sched_setscheduler_nocheck > locktorture: Support rtmutex torturing > > Jason A. Donenfeld (1): > documentation: Correct doc to use rcu_dereference_protected > > Oleg Nesterov (9): > rcu: Create rcu_sync infrastructure > rcu_sync: Simplify rcu_sync using new rcu_sync_ops structure > rcu_sync: Add CONFIG_PROVE_RCU checks > rcu_sync: Introduce rcu_sync_dtor() > locking/percpu-rwsem: Make percpu_free_rwsem() after kzalloc() safe > locking/percpu-rwsem: Make use of the rcu_sync infrastructure > locking/percpu-rwsem: Fix the comments outdated by rcu_sync > locking/percpu-rwsem: Clean up the lockdep annotations in percpu_down_read() > rcu_sync: Cleanup the CONFIG_PROVE_RCU checks > > Patrick Marlier (1): > rculist: Make list_entry_rcu() use lockless_dereference() > > Paul E. McKenney (38): > rcu: Use rsp->expedited_wq instead of sync_rcu_preempt_exp_wq > rcu: Move rcu_report_exp_rnp() to allow consolidation > rcu: Consolidate tree setup for synchronize_rcu_expedited() > rcu: Use single-stage IPI algorithm for RCU expedited grace period > rcu: Move synchronize_sched_expedited() to combining tree > rcu: Rename qs_pending to core_needs_qs > rcu: Invert passed_quiesce and rename to cpu_no_qs > rcu: Make ->cpu_no_qs be a union for aggregate OR > rcu: Eliminate panic when silly boot-time fanout specified > rcu: Add online/offline info to stall warning message > rcu: Move preemption disabling out of __srcu_read_lock() > rcu: Correct comment for values of ->gp_state field > rcu: Add rcu_pointer_handoff() > rcu: Remove deprecated rcu_lockdep_assert() > rculist: Use WRITE_ONCE() when deleting from reader-visible list > documentation: No acquire/release for RCU readers > documentation: Call out slow consoles as cause of stall warnings > documentation: Catch up list of torture_type options > documentation: Add lockless_dereference() > locking/percpu-rwsem: Export symbols for locktorture > locktorture: Add torture tests for percpu_rwsem > torture: Consolidate cond_resched_rcu_qs() into stutter_wait() > rcutorture: Fix module unwind when bad torture_type specified > rcutorture: Fix unused-function warning for torturing_tasks() > torture: Forgive non-plural arguments > locktorture: Fix module unwind when bad torture_type specified > rcu: Switch synchronize_sched_expedited() to IPI > rcu: Stop silencing lockdep false positive for expedited grace periods > rcu: Stop excluding CPU hotplug in synchronize_sched_expedited() > cpu: Remove try_get_online_cpus() > rcu: Prepare for consolidating expedited CPU selection > rcu: Consolidate expedited CPU selection > rcu: Add online/offline info to expedited stall warning message > rcu: Add tasks to expedited stall-warning messages > rcu: Enable stall warnings for synchronize_rcu_expedited() > rcu: Better hotplug handling for synchronize_sched_expedited() > Merge branches 'fixes.2015.10.06a' and 'exp.2015.10.07a' into HEAD > Merge branches 'doc.2015.10.06a', 'percpu-rwsem.2015.10.06a' and 'torture.2015.10.06a' into HEAD > > Petr Mladek (1): > rcu: Finish folding ->fqs_state into ->gp_state > > Documentation/RCU/stallwarn.txt | 7 + > Documentation/RCU/torture.txt | 39 +- > Documentation/RCU/trace.txt | 32 +- > Documentation/RCU/whatisRCU.txt | 6 +- > Documentation/kernel-parameters.txt | 9 +- > Documentation/locking/locktorture.txt | 3 + > Documentation/memory-barriers.txt | 12 +- > include/linux/cpu.h | 2 - > include/linux/list.h | 5 +- > include/linux/list_bl.h | 5 +- > include/linux/list_nulls.h | 3 +- > include/linux/percpu-rwsem.h | 3 +- > include/linux/rcu_sync.h | 86 ++++ > include/linux/rculist.h | 5 +- > include/linux/rcupdate.h | 59 +-- > include/linux/rcutiny.h | 3 +- > include/linux/rcutree.h | 2 +- > include/linux/sched.h | 10 +- > include/linux/srcu.h | 5 +- > kernel/cpu.c | 13 - > kernel/exit.c | 2 + > kernel/locking/locktorture.c | 164 ++++++- > kernel/locking/percpu-rwsem.c | 90 ++-- > kernel/rcu/Makefile | 2 +- > kernel/rcu/rcutorture.c | 16 +- > kernel/rcu/srcu.c | 4 +- > kernel/rcu/sync.c | 223 +++++++++ > kernel/rcu/tiny.c | 8 +- > kernel/rcu/tree.c | 512 ++++++++++++++++----- > kernel/rcu/tree.h | 69 ++- > kernel/rcu/tree_plugin.h | 437 ++++++++++-------- > kernel/rcu/tree_trace.c | 10 +- > kernel/rcu/update.c | 2 +- > kernel/sched/core.c | 1 + > kernel/torture.c | 1 + > tools/testing/selftests/rcutorture/bin/kvm.sh | 6 +- > .../selftests/rcutorture/configs/lock/CFLIST | 4 +- > .../selftests/rcutorture/configs/lock/LOCK05 | 6 + > .../selftests/rcutorture/configs/lock/LOCK05.boot | 1 + > .../selftests/rcutorture/configs/lock/LOCK06 | 6 + > .../selftests/rcutorture/configs/lock/LOCK06.boot | 1 + > 41 files changed, 1331 insertions(+), 543 deletions(-) > create mode 100644 include/linux/rcu_sync.h > create mode 100644 kernel/rcu/sync.c > create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK05 > create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK05.boot > create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK06 > create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK06.boot Pulled into tip:core/rcu, thanks a lot Paul! Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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