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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id i10sm21605614wrx.54.2019.02.12.23.39.33 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Feb 2019 23:39:33 -0800 (PST) Date: Wed, 13 Feb 2019 08:39:31 +0100 From: Ingo Molnar To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, rcu@vger.kernel.org, jun.zhang@intel.com, junchangwang@gmail.com, joel@joelfernandes.org, bigeasy@linutronix.de, w@1wt.eu Subject: Re: [GIT PULL rcu/next] RCU commits for 5.1 Message-ID: <20190213073931.GA62549@gmail.com> References: <20190211201208.GA30732@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190211201208.GA30732@linux.ibm.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > Hello, Ingo, > > This pull request contains the following changes: > > 1. Additional cleanups after RCU flavor consolidation. > > http://lkml.kernel.org/r/20190109211830.GA30595@linux.ibm.com > > 2. Grace-period forward-progress cleanups and improvements. > > http://lkml.kernel.org/r/20190109212816.GA32282@linux.ibm.com > > 3. Documentation updates. > > http://lkml.kernel.org/r/20190109213302.GA1723@linux.ibm.com > > 4. Miscellaneous fixes. > > http://lkml.kernel.org/r/20190109214115.GA2835@linux.ibm.com > > 5. spin_is_locked() conversions to lockdep. > > http://lkml.kernel.org/r/20190109222120.GA13904@linux.ibm.com > > 6. SPDX changes to RCU source and header files. > > http://lkml.kernel.org/r/20190207141700.GA11106@linux.ibm.com > > 7. SRCU updates. > > http://lkml.kernel.org/r/20190109214506.GA4747@linux.ibm.com > > 8. Torture-test updates, including nolibc updates and moving > nolibc to tools/include. > > http://lkml.kernel.org/r/20190109214944.GA5610@linux.ibm.com > > 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 e7ffb4eb9a6d89678e7f62461737899f88dab64e > > for you to fetch changes up to e7ffb4eb9a6d89678e7f62461737899f88dab64e: > > Merge branches 'doc.2019.01.26a', 'fixes.2019.01.26a', 'sil.2019.01.26a', 'spdx.2019.02.09a', 'srcu.2019.01.26a' and 'torture.2019.01.26a' into HEAD (2019-02-09 08:47:52 -0800) > > Note that the diffstat output omits the addition of tree_stall.h, so is > overly optimistic. :-/ > > ---------------------------------------------------------------- > Joel Fernandes (Google) (1): > rcu: Add sparse check to rcu_assign_pointer() > > Junchang Wang (2): > doc: Fix outdated links > RCU/torture.txt: Remove section MODULE PARAMETERS > > Paul E. McKenney (59): > sched: Replace call_rcu_sched() with call_rcu() > sched: Replace synchronize_sched() with synchronize_rcu() > rcu: Rename and comment changes due to only one rcuo kthread per CPU > rcu: Make expedited IPI handler return after handling critical section > rcu: Inline force_quiescent_state() into rcu_force_quiescent_state() > rcu: Eliminate RCU_BH_FLAVOR and RCU_SCHED_FLAVOR > rcu: Inline rcu_kthread_do_work() into its sole remaining caller > rcu: Determine expedited-GP IPI handler at build time > rcu: Consolidate PREEMPT and !PREEMPT synchronize_rcu_expedited() > rcu: Consolidate PREEMPT and !PREEMPT synchronize_rcu() > rcu: Inline _synchronize_rcu_expedited() into synchronize_rcu_expedited() > rcu: Discard separate per-CPU callback counts > rcu: Remove wrapper definitions for obsolete RCU update functions > rcu: Accommodate zero jiffies_till_first_fqs and kthread kicking > rcu: Move rcu_cpu_kthread_task to rcu_data structure > rcu: Move rcu_cpu_kthread_status to rcu_data structure > rcu: Remove unused rcu_cpu_kthread_loops per-CPU variable > rcu: Move rcu_cpu_has_work to rcu_data structure > rcu: Remove unused rcu_cpu_kthread_cpu per-CPU variable > rcu: Update NOCB comments > rcu: Improve diagnostics for failed RCU grace-period start > rcu: Protect rcu_check_gp_kthread_starvation() access to ->gp_flags > rcu: Add sysrq rcu_node-dump capability > Merge branches 'consolidate.2019.01.26a' and 'fwd.2019.01.26a' into HEAD > doc: Now jiffies_till_sched_qs solicits help from cond_resched() > doc: CPU-hotplug notifiers cannot invoke synchronize_srcu() or srcu_barrier() > rcu: Docbook for rcu_head_init() and rcu_head_after_call_rcu() > rcu: Rename rcu_check_callbacks() to rcu_sched_clock_irq() > rcu: Rename rcu_process_callbacks() to rcu_core() for Tree RCU > rcu: Remove preemption disabling from expedited CPU selection > rcu: Repair rcu_nmi_exit() docbook header > rcu: Fix obsolete DYNTICK_IRQ_NONIDLE comment > include/asm-generic: Remove spin_is_locked() comment > virt/kvm: Replace spin_is_locked() with lockdep > srcu: Check for invalid idx argument in srcu_read_unlock() > rcutorture: Record grace periods in forward-progress histogram > torture: Explain and simplify odd "for" loop in mkinitrd.sh > rcutorture: Add grace period after CPU offline > rcuperf: Stop abusing IS_ENABLED() > rcu/rcu.h: Convert to SPDX license identifier > rcu/rcuperf: Convert to SPDX license identifier > rcu/rcu_segcblist: Convert to SPDX license identifier > rcu/rcutorture: Convert to SPDX license identifier > rcu/srcu: Convert to SPDX license identifier > rcu/sync: Convert to SPDX license identifier > rcu/tiny: Convert to SPDX license identifier > rcu/tree: Convert to SPDX license identifier > rcu/update: Convert to SPDX license identifier > linux/rcu_node_tree: Convert to SPDX license identifier > linux/rcupdate: Convert to SPDX license identifier > linux/rcu_segcblist: Convert to SPDX license identifier > linux/rcu_sync: Convert to SPDX license identifier > linux/rcutiny: Convert to SPDX license identifier > linux/rcutree: Convert to SPDX license identifier > linux/srcu: Convert to SPDX license identifier > torture: Convert to SPDX license identifier > linux/torture: Convert to SPDX license identifier > locking/locktorture: Convert to SPDX license identifier > Merge branches 'doc.2019.01.26a', 'fixes.2019.01.26a', 'sil.2019.01.26a', 'spdx.2019.02.09a', 'srcu.2019.01.26a' and 'torture.2019.01.26a' into HEAD > > Sebastian Andrzej Siewior (1): > srcu: Remove srcu_queue_delayed_work_on() > > Willy Tarreau (5): > rcutorture/nolibc: Fix the clobbered registers in the MIPS syscall definition > rcutorture/nolibc: Fix some poor indentation and alignment > rcutorture/nolibc: Add a bit of documentation to explain how to use nolibc > tools headers: Move the nolibc header from rcutorture to tools/include/nolibc/ > MAINTAINERS: Add myself as the maintainer for the nolibc header file(s) > > Zhang, Jun (2): > rcu: Do RCU GP kthread self-wakeup from softirq and interrupt > rcu: Prevent needless ->gp_seq_needed update in __note_gp_changes() > > .../Expedited-Grace-Periods/ExpSchedFlow.svg | 18 +- > .../Expedited-Grace-Periods.html | 26 +- > .../Memory-Ordering/Tree-RCU-Memory-Ordering.html | 6 +- > .../TreeRCU-callback-invocation.svg | 2 +- > .../RCU/Design/Memory-Ordering/TreeRCU-gp.svg | 8 +- > .../RCU/Design/Memory-Ordering/TreeRCU-qs.svg | 6 +- > .../RCU/Design/Requirements/Requirements.html | 20 +- > Documentation/RCU/stallwarn.txt | 15 +- > Documentation/RCU/torture.txt | 169 +------------ > Documentation/RCU/whatisRCU.txt | 4 +- > Documentation/admin-guide/kernel-parameters.txt | 32 ++- > MAINTAINERS | 6 + > include/asm-generic/bug.h | 3 - > include/linux/rcu_node_tree.h | 17 +- > include/linux/rcu_segcblist.h | 17 +- > include/linux/rcu_sync.h | 15 +- > include/linux/rcupdate.h | 91 +------ > include/linux/rcutiny.h | 17 +- > include/linux/rcutree.h | 19 +- > include/linux/srcu.h | 18 +- > include/linux/srcutiny.h | 17 +- > include/linux/srcutree.h | 20 +- > include/linux/torture.h | 20 +- > kernel/locking/locktorture.c | 21 +- > kernel/rcu/rcu.h | 21 +- > kernel/rcu/rcu_segcblist.c | 17 +- > kernel/rcu/rcu_segcblist.h | 17 +- > kernel/rcu/rcuperf.c | 27 +-- > kernel/rcu/rcutorture.c | 59 +++-- > kernel/rcu/srcutiny.c | 17 +- > kernel/rcu/srcutree.c | 72 ++---- > kernel/rcu/sync.c | 15 +- > kernel/rcu/tiny.c | 19 +- > kernel/rcu/tree.c | 267 +++++++++++++-------- > kernel/rcu/tree.h | 53 ++-- > kernel/rcu/tree_exp.h | 201 ++++++---------- > kernel/rcu/tree_plugin.h | 238 +++++------------- > kernel/rcu/update.c | 17 +- > kernel/sched/cpufreq.c | 4 +- > kernel/sched/cpufreq_schedutil.c | 2 +- > kernel/sched/sched.h | 2 +- > kernel/sched/topology.c | 4 +- > kernel/time/timer.c | 2 +- > kernel/torture.c | 25 +- > .../rcutorture/bin => include/nolibc}/nolibc.h | 118 +++++++-- > tools/testing/selftests/rcutorture/bin/mkinitrd.sh | 27 ++- > virt/kvm/kvm_main.c | 2 +- > 47 files changed, 640 insertions(+), 1173 deletions(-) > rename tools/{testing/selftests/rcutorture/bin => include/nolibc}/nolibc.h (94%) Pulled, thanks a lot Paul! Ingo