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From: Lee Revell <rlrevell@joe-job.com>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Dominik Brodowski <linux@dominikbrodowski.de>,
	linux-kernel@vger.kernel.org, rusty@rustcorp.com.au
Subject: Re: [PATCH] [CPU-HOTPLUG] convert cpucontrol to be a rwsem
Date: Mon, 01 Nov 2004 13:04:37 -0500	[thread overview]
Message-ID: <1099332277.3647.43.camel@krustophenia.net> (raw)
In-Reply-To: <Pine.LNX.4.61.0411010656380.19123@musoma.fsmlabs.com>

On Mon, 2004-11-01 at 07:00 -0700, Zwane Mwaikambo wrote:
> Agreed it makes a lot more sense, i think there could be some places where 
> we use preempt_disable to protect against cpu offline which could 
> converted, but that can come later.
> 

You know I picked up Robert Love's book the other day and was surprised
to read we are not supposed to be using preempt_disable, there is a
per_cpu interface for exactly this kind of thing.  Which is currently
recommended?

Lee


  reply	other threads:[~2004-11-01 18:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-01  8:43 [PATCH] [CPU-HOTPLUG] convert cpucontrol to be a rwsem Dominik Brodowski
2004-11-01  9:05 ` Nick Piggin
2004-11-01 14:00 ` Zwane Mwaikambo
2004-11-01 18:04   ` Lee Revell [this message]
2004-11-01 23:48     ` Rusty Russell
2004-11-02 14:54       ` Lee Revell
2004-11-02  0:16     ` Zwane Mwaikambo
2004-11-02 22:28   ` Dominik Brodowski
2004-11-04  1:57     ` Rusty Russell

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