From: "Paul E. McKenney" <paulmck@us.ibm.com>
To: Paul Jackson <pj@sgi.com>
Cc: ego@in.ibm.com, mingo@elte.hu, nickpiggin@yahoo.com.au,
arjan@infradead.org, rusty@rustcorp.com.au, torvalds@osdl.org,
akpm@osdl.org, linux-kernel@vger.kernel.org,
arjan@intel.linux.com, davej@redhat.com, dipankar@in.ibm.com,
vatsa@in.ibm.com, ashok.raj@intel.com
Subject: Re: [RFC][PATCH 4/4] Rename lock_cpu_hotplug/unlock_cpu_hotplug
Date: Wed, 30 Aug 2006 08:14:05 -0700 [thread overview]
Message-ID: <20060830151405.GD1296@us.ibm.com> (raw)
In-Reply-To: <20060829193828.d38395fe.pj@sgi.com>
On Tue, Aug 29, 2006 at 07:38:28PM -0700, Paul Jackson wrote:
> Paul E. McKenney wrote:
> > Let me throw something together...
>
> I think it's the hotplug folks that were most interested
> in this "unfair rwsem" lock, for lock_cpu_hotplug().
Yep, been chatting with them separately.
> I wouldn't spend any effort on throwing this together
> just for cpusets. I'm not looking to change cpuset
> locking anytime soon.
Well, my next question was going to be whether cpuset readers really
need to exclude the writers, or whether there can be a transition
period while the mastodon makes the change as long as it avoids stomping
the locusts. ;-)
Thanx, Paul
next prev parent reply other threads:[~2006-08-30 15:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-24 10:34 [RFC][PATCH 4/4] Rename lock_cpu_hotplug/unlock_cpu_hotplug Gautham R Shenoy
2006-08-24 11:00 ` Arjan van de Ven
2006-08-24 14:03 ` Gautham R Shenoy
2006-08-24 14:16 ` Arjan van de Ven
2006-08-24 14:55 ` Nick Piggin
2006-08-24 15:00 ` Ingo Molnar
2006-08-24 15:53 ` Nick Piggin
2006-08-25 3:53 ` Gautham R Shenoy
2006-08-27 7:59 ` Paul Jackson
2006-08-27 8:42 ` Keith Owens
2006-08-27 9:10 ` Paul Jackson
2006-08-29 18:05 ` Paul E. McKenney
2006-08-29 19:31 ` Paul Jackson
2006-08-29 20:03 ` Paul E. McKenney
2006-08-30 2:38 ` Paul Jackson
2006-08-30 15:14 ` Paul E. McKenney [this message]
2006-08-30 17:54 ` Paul Jackson
2006-08-30 18:13 ` Paul E. McKenney
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