netdev - Re: [PATCH v7 06/16] tracepoint: use new hashtable implementation

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Message-ID: <20121029191256.GE4066@htj.dyndns.org>
Date:	Mon, 29 Oct 2012 12:12:56 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Sasha Levin <levinsasha928@...il.com>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Josh Triplett <josh@...htriplett.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	paul.gortmaker@...driver.com, davem@...emloft.net,
	rostedt@...dmis.org, mingo@...e.hu, ebiederm@...ssion.com,
	aarcange@...hat.com, ericvh@...il.com, netdev@...r.kernel.org,
	eric.dumazet@...il.com, axboe@...nel.dk, agk@...hat.com,
	dm-devel@...hat.com, neilb@...e.de, ccaulfie@...hat.com,
	teigland@...hat.com, Trond.Myklebust@...app.com,
	bfields@...ldses.org, fweisbec@...il.com, jesse@...ira.com,
	venkat.x.venkatsubra@...cle.com, ejt@...hat.com,
	snitzer@...hat.com, edumazet@...gle.com, linux-nfs@...r.kernel.org,
	dev@...nvswitch.org, rds-devel@....oracle.com, lw@...fujitsu.com
Subject: Re: [PATCH v7 06/16] tracepoint: use new hashtable implementation

On Mon, Oct 29, 2012 at 03:09:36PM -0400, Sasha Levin wrote:
> The other thing is whether hash_init() should be called for hashtables
> that were created with DEFINE_HASHTABLE(). That point was raised by
> Neil Brown last time this series went around, and it seems that no one
> objected to the point that it should be consistent across the code.

Hmmm?  If something is DEFINE_XXX()'d, you definitely shouldn't be
calling XXX_init() on it.  That's how it is with most other abstract
data types and you need *VERY* strong rationale to deviate from that.

Thanks.

-- 
tejun
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