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Groups > linux.kernel > #1695134
| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH tip/core/rcu 0/15] General fixes |
| Date | 2017-07-24 23:50 +0200 |
| Message-ID | <u6ToJ-2fn-3@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Hello! This series contains general fixes: 1. Make cond_resched() provide RCU quiescent state, which finally avoids degrading performance. 2. Use timer as backstop for NOCB deferred wakeups. 3. Simplify RCU Kconfig by driving TASKS_RCU directly off of PREEMPT. 4. Create reasonable API for do_exit() TASKS_RCU processing. 5. Add TPS() to event-traced strings. 6. Move rcu.h to new trivial-function style. 7. Add event tracing to ->gp_tasks update at GP start. 8. Add idle swait variants which don't contribute to load average, courtesy of Luis R. Rodriguez. 9. Use idle versions of swait to make idle-hack clear, courtesy of Luis R. Rodriguez. 10. Add TPS() protection for _rcu_barrier_trace strings. 11. Set disable_rcu_irq_enter on rcu_eqs_exit(), courtesy of Masami Hiramatsu. 12. Add assertions verifying blocked-tasks list. 13. Make rcu_idle_enter() rely on callers disabling irqs, courtesy of Peter Zijlstra. 14. Add warning to rcu_idle_enter() for irqs enabled. 15. Remove exports from rcu_idle_exit() and rcu_idle_enter(). Thanx, Paul ------------------------------------------------------------------------ include/linux/rcupdate.h | 13 include/linux/sched.h | 8 include/linux/swait.h | 55 +++ kernel/exit.c | 7 kernel/rcu/Kconfig | 3 kernel/rcu/rcu.h | 128 +------ kernel/rcu/rcutorture.c | 17 kernel/rcu/tree.c | 75 +--- kernel/rcu/tree.h | 2 kernel/rcu/tree_plugin.h | 211 +++++++----- kernel/rcu/update.c | 18 - kernel/sched/core.c | 1 tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt | 2 13 files changed, 276 insertions(+), 264 deletions(-)
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[PATCH tip/core/rcu 0/15] General fixes "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 04/15] rcu: Create reasonable API for do_exit() TASKS_RCU processing "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 09/15] rcu: use idle versions of swait to make idle-hack clear "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups Steven Rostedt <rostedt@goodmis.org> - 2017-07-25 20:20 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-25 21:20 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups Steven Rostedt <rostedt@goodmis.org> - 2017-07-26 00:20 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-26 02:10 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups Steven Rostedt <rostedt@goodmis.org> - 2017-07-26 23:20 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-26 23:50 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups Steven Rostedt <rostedt@goodmis.org> - 2017-07-27 01:10 +0200
Re: [PATCH tip/core/rcu 02/15] rcu: Use timer as backstop for NOCB deferred wakeups "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-27 19:40 +0200
[PATCH tip/core/rcu 10/15] rcu: Add TPS() protection for _rcu_barrier_trace strings "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
Re: [PATCH tip/core/rcu 10/15] rcu: Add TPS() protection for _rcu_barrier_trace strings Steven Rostedt <rostedt@goodmis.org> - 2017-07-28 03:50 +0200
[PATCH tip/core/rcu 14/15] rcu: Add warning to rcu_idle_enter() for irqs enabled "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 01/15] sched,rcu: Make cond_resched() provide RCU quiescent state "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 08/15] swait: add idle variants which don't contribute to load average "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 15/15] rcu: Remove exports from rcu_idle_exit() and rcu_idle_enter() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 03/15] rcu: Drive TASKS_RCU directly off of PREEMPT "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
Re: [PATCH tip/core/rcu 03/15] rcu: Drive TASKS_RCU directly off of PREEMPT Steven Rostedt <rostedt@goodmis.org> - 2017-07-25 20:20 +0200
Re: [PATCH tip/core/rcu 03/15] rcu: Drive TASKS_RCU directly off of PREEMPT "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-25 21:20 +0200
[PATCH tip/core/rcu 12/15] rcu: Add assertions verifying blocked-tasks list "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
[PATCH tip/core/rcu 05/15] rcu: Add TPS() to event-traced strings "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
Re: [PATCH tip/core/rcu 05/15] rcu: Add TPS() to event-traced strings Steven Rostedt <rostedt@goodmis.org> - 2017-07-28 03:40 +0200
[PATCH tip/core/rcu 06/15] rcu: Move rcu.h to new trivial-function style "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-24 23:50 +0200
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