linux-kernel - Re: [PATCH 3/3] Makes lguest's irq handler typesafe

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Message-Id: <200801201027.49223.rusty@rustcorp.com.au>
Date:	Sun, 20 Jan 2008 10:27:48 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Tejun Heo <htejun@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jeff Garzik <jgarzik@...ox.com>,
	Ash Willis <ashwillis@...grammer.net>,
	linux-pcmcia@...ts.infradead.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 3/3] Makes lguest's irq handler typesafe

On Saturday 19 January 2008 15:08:28 Tejun Heo wrote:
> Rusty Russell wrote:
> >     There are three possibilities: (1) force everyone to use void *, (2)
> > force everyone to be type-correct, (3) allow both with some tricks. 
> > Currently we're on (1).  For kthread, with only dozens of users, I chose
> > (2) (very simple, easy to understand).  I think for widespread things
> > like timer and interrupt handlers, I think (3) is the right way to go.
>
> Yeah, during transition, we definitely want (3).

Hi Tejun.

    I'm thinking an open-ended transition.  I don't see a big reason to churn 
working code, since we can easily support both.

> Yeah, I think we need a good flame war to determine our
> heading and converting timer shouldn't take too much of your time, right?

   Insightful comment, you've convinced me!

Thanks,
Rusty.
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