netdev - Re: [PATCH 1/3] irq: Add registered affinity guidance infrastructure

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Message-ID: <20110416021148.GC2200@neilslaptop.think-freely.org>
Date:	Fri, 15 Apr 2011 22:11:48 -0400
From:	Neil Horman <nhorman@...driver.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	nhorman <nhorman@...el2.think-freely.org>,
	Dimitris Michailidis <dm@...lsio.com>,
	David Howells <dhowells@...hat.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Tom Herbert <therbert@...gle.com>
Subject: Re: [PATCH 1/3] irq: Add registered affinity guidance infrastructure

On Sat, Apr 16, 2011 at 02:22:58AM +0200, Thomas Gleixner wrote:
> On Fri, 15 Apr 2011, Neil Horman wrote:
> 
> > From: nhorman <nhorman@...el2.think-freely.org>
> > 
> > This patch adds the needed data to the irq_desc struct, as well as the needed
> > API calls to allow the requester of an irq to register a handler function to
> > determine the affinity_hint of that irq when queried from user space.
> 
> This changelog simply sucks. It does not explain the rationale for
> this churn at all.
> 
It seems pretty clear to me.  It allows a common function to update the value of
affinity_hint when its queried.

> Which problem is it solving?
> Why are the current interfaces not sufficient?
Did you read the initial post that I sent with it?  Apparently not.  Apologies,
its seems my git-send-email didn't cc everyone I expected it to:
http://marc.info/?l=linux-netdev&m=130291921026187&w=2

I'll skip the rest of your your email, and just try to turn some of your rant
into something more acceptible to you.
Neil
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