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Message-ID: <20141028222224.GA28263@linux.vnet.ibm.com>
Date: Tue, 28 Oct 2014 15:22:24 -0700
From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: mingo@...nel.org, laijs@...fujitsu.com, dipankar@...ibm.com,
akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
bobby.prani@...il.com
Subject: [PATCH tip/core/rcu 0/7] Real-time updates for 3.19
Hello!
This series contains real-time-related updates:
1. Move RCU_NOCB_CPU to choice, courtesy of Stefan Hengelein.
2. Place RCU_BOOST-specific variables under pre-existing #ifdef.
3. Prevent synchronize_sched_expedited() from sending IPIs to
idle and to nohz_full CPUs.
4. Unify boost and kthread priorities, and allow this unified
priority to be set at boot time, courtesy of Clark Williams.
5. Remove redundant TREE_PREEMPT_RCU Kconfig option, courtesy of
Pranith Kumar.
6. Handle the possibility of a no-CBs CPU posting callbacks on
their last pass through the idle loop by waking up the
leader kthread after the CPU has gone completely offline.
7. Fix rcuo online-time-creation reoganization bug, which seems
to be a latent bug due to systems (wisely) bringing CPUs online
in numerical order.
Thanx, Paul
------------------------------------------------------------------------
b/Documentation/RCU/rcu.txt | 4
b/Documentation/RCU/stallwarn.txt | 8 -
b/Documentation/RCU/trace.txt | 4
b/Documentation/RCU/whatisRCU.txt | 2
b/Documentation/kernel-parameters.txt | 6 +
b/include/linux/init_task.h | 2
b/include/linux/rcupdate.h | 6 -
b/include/linux/sched.h | 4
b/include/trace/events/rcu.h | 4
b/init/Kconfig | 49 +++------
b/kernel/rcu/Makefile | 2
b/kernel/rcu/tree.c | 44 +++++---
b/kernel/rcu/tree.h | 10 -
b/kernel/rcu/tree_plugin.h | 53 ++++++----
b/kernel/rcu/update.c | 2
b/lib/Kconfig.debug | 2
b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 | 2
b/tools/testing/selftests/rcutorture/configs/rcu/TREE02 | 2
b/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T | 2
b/tools/testing/selftests/rcutorture/configs/rcu/TREE03 | 4
b/tools/testing/selftests/rcutorture/configs/rcu/TREE08 | 2
b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T | 2
b/tools/testing/selftests/rcutorture/configs/rcu/TREE09 | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP | 2
b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp | 2
b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt | 2
b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt | 14 +-
50 files changed, 157 insertions(+), 127 deletions(-)
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