linux-kernel - Re: [PATCH v2] netlink: Replace rhash

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Message-ID: <20150924034214.GA27843@gondor.apana.org.au>
Date:	Thu, 24 Sep 2015 11:42:14 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Tejun Heo <tj@...nel.org>
Cc:	David Miller <davem@...emloft.net>, cwang@...pensource.com,
	tom@...bertland.com, kafai@...com, kernel-team@...com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	torvalds@...ux-foundation.org, jiri@...nulli.us,
	nicolas.dichtel@...nd.com, tgraf@...g.ch, sfeldma@...il.com
Subject: Re: [PATCH v2] netlink: Replace rhash_portid with bound

On Wed, Sep 23, 2015 at 11:41:16PM -0400, Tejun Heo wrote:
> On Thu, Sep 24, 2015 at 11:31:17AM +0800, Herbert Xu wrote:
> > No this isn't what happened.  My error was trying to see if there
> > is a way to do it without barriers.  In the end there wasn't.  This
> > has nothing to do with using primitives.
> 
> Hmmm... yeah, you can say that, but it still was a failure to
> recognize and apply the common pattern and what you're suggesting is
> deviating for no good reason.  It demands a lot of cognitive overhead
> for something which should be routine and makes the code a lot more
> fragile as a result.  Things like this make barrier usages difficult
> to understand and verify because it takes away a lot of ready-made
> cognitive tools.  So, let's please stick to the known pattern.

Well I disagree so let's leave it at that.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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