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authorIngo Molnar <mingo@kernel.org>2018-07-17 09:16:02 +0200
committerIngo Molnar <mingo@kernel.org>2018-07-17 09:16:02 +0200
commitea73a5c6929b9c7d30b7b424414645641cb7d1d9 (patch)
tree19de3c2469c6476be82b143535a018d0053f9460 /MAINTAINERS
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
parent18952651dae8efcc6d565c97f8fe5629b399cb3e (diff)
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney: - An optimization and a fix for RCU expedited grace periods, with the fix being from Boqun Feng. - Miscellaneous fixes, including a lockdep-annotation fix from Boqun Feng. - SRCU updates. - Updates to rcutorture and associated scripting. - Introduce grace-period sequence numbers to the RCU-bh, RCU-preempt, and RCU-sched flavors, replacing the old ->gpnum and ->completed pair of fields. This change allows lockless code to obtain the complete grace-period state with a single READ_ONCE(), which is needed to maintain tolerable lock contention during the upcoming consolidation of the three RCU flavors. Note that grace-period sequence numbers are already used by rcu_barrier(), expedited RCU grace periods, and SRCU, and are thus already heavily used and well-tested. Joel Fernandes contributed a number of excellent fixes and improvements. - Clean up some grace-period-reporting loose ends, including improving the handling of quiescent states from offline CPUs and fixing some false-positive WARN_ON_ONCE() invocations. (Strictly speaking, the WARN_ON_ONCE() invocations were quite correct, but their invariants were (harmlessly) violated by the earlier sloppy handling of quiescent states from offline CPUs.) In addition, improve grace-period forward-progress guarantees so as to allow removal of fail-safe checks that required otherwise needless lock acquisitions. Finally, add more diagnostics to help debug the upcoming consolidation of the RCU-bh, RCU-preempt, and RCU-sched flavors. - Additional miscellaneous fixes, including those contributed by Byungchul Park, Mauro Carvalho Chehab, Joe Perches, Joel Fernandes, Steven Rostedt, Andrea Parri, and Neil Brown. - Additional torture-test changes, including several contributed by Arnd Bergmann and Joel Fernandes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS9
1 files changed, 5 insertions, 4 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 192d7f73fd01..16b07255574d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12038,9 +12038,9 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F: Documentation/RCU/
X: Documentation/RCU/torture.txt
F: include/linux/rcu*
-X: include/linux/srcu.h
+X: include/linux/srcu*.h
F: kernel/rcu/
-X: kernel/torture.c
+X: kernel/rcu/srcu*.c
REAL TIME CLOCK (RTC) SUBSYSTEM
M: Alessandro Zummo <a.zummo@towertech.it>
@@ -13077,8 +13077,8 @@ L: linux-kernel@vger.kernel.org
W: http://www.rdrop.com/users/paulmck/RCU/
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
-F: include/linux/srcu.h
-F: kernel/rcu/srcu.c
+F: include/linux/srcu*.h
+F: kernel/rcu/srcu*.c
SERIAL LOW-POWER INTER-CHIP MEDIA BUS (SLIMbus)
M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
@@ -14437,6 +14437,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F: Documentation/RCU/torture.txt
F: kernel/torture.c
F: kernel/rcu/rcutorture.c
+F: kernel/rcu/rcuperf.c
F: kernel/locking/locktorture.c
TOSHIBA ACPI EXTRAS DRIVER