linux-kernel - Re: [PATCH tip/core/rcu 05/14] rcu: Distinguish "rcuo" kthreads by RCU flavor

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Message-ID: <20130107165449.GB12229@leaf>
Date:	Mon, 7 Jan 2013 08:54:49 -0800
From:	Josh Triplett <josh@...htriplett.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, edumazet@...gle.com, darren@...art.com,
	fweisbec@...il.com, sbw@....edu, patches@...aro.org,
	"Paul E. McKenney" <paul.mckenney@...aro.org>
Subject: Re: [PATCH tip/core/rcu 05/14] rcu: Distinguish "rcuo" kthreads by
 RCU flavor

On Sat, Jan 05, 2013 at 09:48:55AM -0800, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paul.mckenney@...aro.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
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