From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com,
bobby.prani@gmail.com
Subject: [PATCH tip/core/rcu 0/2] Expedited grace-period updates
Date: Mon, 22 Aug 2016 08:22:39 -0700 [thread overview]
Message-ID: <20160822152239.GA7153@linux.vnet.ibm.com> (raw)
Hello!
This series contains updates and fixes to expedited grace-period handling:
1. Consolidate nearly identical code from synchronize_rcu_expedited()
and synchronize_sched_expedited().
2. Drive expedited grace periods from workqueue rather than user task.
3. Stop disabling expedited RCU CPU stall warnings, enabled by
#2 above.
4. Make expedited RCU CPU stall warnings respond
to the panic_on_rcu_stall sysctl setting and the
rcupdate.rcu_cpu_stall_suppress kernel boot parameter.
5. Exclude RCU-offline CPUs from expedited grace periods based on
RCU's internal state.
6. Use RCU's online-CPU state for expedited-grace-period IPI retry.
Thanx, Paul
------------------------------------------------------------------------
tree.h | 1
tree_exp.h | 134 ++++++++++++++++++++++++++++++++++++-----------------------
tree_trace.c | 7 +--
3 files changed, 87 insertions(+), 55 deletions(-)
next reply other threads:[~2016-08-22 15:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-22 15:22 Paul E. McKenney [this message]
2016-08-22 15:23 ` [PATCH tip/core/rcu 1/6] rcu: Consolidate expedited grace period machinery Paul E. McKenney
2016-08-22 15:23 ` [PATCH tip/core/rcu 2/6] rcu: Drive expedited grace periods from workqueue Paul E. McKenney
2016-08-22 15:23 ` [PATCH tip/core/rcu 3/6] rcu: Stop disabling expedited RCU CPU stall warnings Paul E. McKenney
2016-08-22 15:23 ` [PATCH tip/core/rcu 4/6] rcu: Make expedited RCU CPU stall warnings respond to controls Paul E. McKenney
2016-08-22 15:23 ` [PATCH tip/core/rcu 5/6] rcu: Exclude RCU-offline CPUs from expedited grace periods Paul E. McKenney
2016-08-22 15:23 ` [PATCH tip/core/rcu 6/6] rcu: Use RCU's online-CPU state for expedited IPI retry Paul E. McKenney
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