From: Josh Triplett <josh@joshtriplett.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu
Subject: Re: [PATCH tip/core/rcu 5/9] nohz_full: Add per-CPU idle-state tracking
Date: Sat, 17 Aug 2013 20:04:28 -0700 [thread overview]
Message-ID: <20130818030428.GH28923@leaf> (raw)
In-Reply-To: <1376790584-28120-5-git-send-email-paulmck@linux.vnet.ibm.com>
On Sat, Aug 17, 2013 at 06:49:40PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
>
> This commit adds the code that updates the rcu_dyntick structure's
> new fields to track the per-CPU idle state based on interrupts and
> transitions into and out of the idle loop (NMIs are ignored because NMI
> handlers cannot cleanly read out the time anyway). This code is similar
> to the code that maintains RCU's idea of per-CPU idleness, but differs
> in that RCU treats CPUs running in user mode as idle, where this new
> code does not.
>
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>
Same comment here about using ifdef around function bodies.
- Josh Triplett
next prev parent reply other threads:[~2013-08-18 3:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-18 1:49 [PATCH tip/core/rcu 0/9] sysidle changes for v3.12 Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 1/9] rcu: Eliminate unused APIs intended for adaptive ticks Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 2/9] nohz_full: Add testing information to documentation Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 3/9] nohz_full: Add Kconfig parameter for scalable detection of all-idle state Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 4/9] nohz_full: Add rcu_dyntick data " Paul E. McKenney
2013-08-18 3:02 ` Josh Triplett
2013-08-19 1:22 ` Paul E. McKenney
2013-08-19 1:34 ` Josh Triplett
2013-08-18 1:49 ` [PATCH tip/core/rcu 5/9] nohz_full: Add per-CPU idle-state tracking Paul E. McKenney
2013-08-18 3:04 ` Josh Triplett [this message]
2013-08-18 1:49 ` [PATCH tip/core/rcu 6/9] nohz_full: Add full-system idle states and variables Paul E. McKenney
2013-08-18 3:09 ` Josh Triplett
2013-08-19 1:39 ` Paul E. McKenney
2013-08-19 2:49 ` Josh Triplett
2013-08-19 3:32 ` Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 7/9] nohz_full: Add full-system-idle arguments to API Paul E. McKenney
2013-08-18 3:11 ` Josh Triplett
2013-08-19 1:50 ` Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 8/9] nohz_full: Add full-system-idle state machine Paul E. McKenney
2013-08-18 1:49 ` [PATCH tip/core/rcu 9/9] nohz_full: Force RCU's grace-period kthreads onto timekeeping CPU Paul E. McKenney
2013-08-18 3:13 ` [PATCH tip/core/rcu 0/9] sysidle changes for v3.12 Josh Triplett
-- strict thread matches above, loose matches on Subject: below --
2013-08-20 2:47 [PATCH tip/core/rcu 0/9] v2 sysidle changes for 3.12 Paul E. McKenney
2013-08-20 2:47 ` [PATCH tip/core/rcu 1/9] rcu: Eliminate unused APIs intended for adaptive ticks Paul E. McKenney
2013-08-20 2:47 ` [PATCH tip/core/rcu 5/9] nohz_full: Add per-CPU idle-state tracking Paul E. McKenney
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