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, Valdis.Kletnieks@vt.edu,
dhowells@redhat.com, edumazet@google.com, darren@dvhart.com,
fweisbec@gmail.com, sbw@mit.edu, patches@linaro.org,
"Paul E. McKenney" <paul.mckenney@linaro.org>
Subject: Re: [PATCH tip/core/rcu 05/14] rcu: Distinguish "rcuo" kthreads by RCU flavor
Date: Mon, 7 Jan 2013 08:54:49 -0800 [thread overview]
Message-ID: <20130107165449.GB12229@leaf> (raw)
In-Reply-To: <1357408144-15830-5-git-send-email-paulmck@linux.vnet.ibm.com>
On Sat, Jan 05, 2013 at 09:48:55AM -0800, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paul.mckenney@linaro.org>
>
> Currently, the per-no-CBs-CPU kthreads are named "rcuo" followed by
> the CPU number, for example, "rcuo". This is problematic given that
I think the quoted string on this second line wanted to have a CPU
number in it.
> there are either two or three RCU flavors, each of which gets a per-CPU
> kthread with exactly the same name. This commit therefore introduces
> a one-letter abbreviation for each RCU flavor, namely 'b' for RCU-bh,
> 'p' for RCU-preempt, and 's' for RCU-sched. This abbreviation use used
> to distinguish the "rcuo" kthreads, for example, for CPU 0 we would have
> "rcuo0b", "rcuo0p", and "rcuo0s".
Don't per-CPU kthreads normally have a name ending in /$cpunum ?, rather
than just $cpunum? For instance, kworker/0, kworker/1, and so on?
Seems like these threads should follow that convention.
- Josh Triplett
next prev parent reply other threads:[~2013-01-07 16:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-05 17:48 [PATCH tip/core/rcu 0/14] RCU idle/no-CB changes for 3.9 Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 01/14] rcu: Tag callback lists with corresponding grace-period number Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 02/14] rcu: Trace callback acceleration Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 03/14] rcu: Remove restrictions on no-CBs CPUs Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 04/14] rcu: Provide compile-time control for " Paul E. McKenney
2013-01-07 16:50 ` Josh Triplett
2013-01-07 22:09 ` Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 05/14] rcu: Distinguish "rcuo" kthreads by RCU flavor Paul E. McKenney
2013-01-06 23:34 ` Paul Gortmaker
2013-01-07 20:53 ` Paul E. McKenney
2013-01-07 16:54 ` Josh Triplett [this message]
2013-01-05 17:48 ` [PATCH tip/core/rcu 06/14] rcu: Export RCU_FAST_NO_HZ parameters to sysfs Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 07/14] rcu: Accelerate RCU callbacks at grace-period end Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 08/14] rcu: Make RCU_FAST_NO_HZ take advantage of numbered callbacks Paul E. McKenney
2013-01-05 17:48 ` [PATCH tip/core/rcu 09/14] rcu: Rearrange locking in rcu_start_gp() Paul E. McKenney
2013-01-05 17:49 ` [PATCH tip/core/rcu 10/14] rcu: Repurpose no-CBs event tracing to future-GP events Paul E. McKenney
2013-01-05 17:49 ` [PATCH tip/core/rcu 11/14] rcu: Push lock release to rcu_start_gp()'s callers Paul E. McKenney
2013-01-05 17:49 ` [PATCH tip/core/rcu 12/14] rcu: Rename n_nocb_gp_requests to need_future_gp Paul E. McKenney
2013-01-05 17:49 ` [PATCH tip/core/rcu 13/14] rcu: Abstract rcu_start_future_gp() from rcu_nocb_wait_gp() Paul E. McKenney
2013-01-05 17:49 ` [PATCH tip/core/rcu 14/14] rcu: Make rcu_accelerate_cbs() note need for future grace periods Paul E. McKenney
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