linux-kernel - Re: [PATCH] kernel:async function call:introduce async

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Message-ID: <20090517135827.502fb4c3@infradead.org>
Date:	Sun, 17 May 2009 13:58:27 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	tom.leiming@...il.com
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Ming Lei <tom.leiming@...il.com>
Subject: Re: [PATCH] kernel:async function call:introduce async_run

On Wed, 13 May 2009 08:33:49 +0800
tom.leiming@...il.com wrote:

> From: Ming Lei <tom.leiming@...il.com>
> 
> In fact, some async function call does not need to check, async_run
> is right for this kind of function call. Also, async_run is very
> suitable to used to start a thread in atomic context to do somthing,
> for now there is no such kind of kernel api, eg. kthread_run
> can not be started in atomic context.

I don't think it's worth complicating the cookie allocation;
I don't assume that what you're scheduling is going to take a really
long time...

if it does it's better to make a private domain for it.

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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