linux-kernel - Re: [RFC][PATCH 7/9] rbtree: Implement generic latch

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Message-ID: <CANN689HOf2t+MEmNp6CE4+Uj-vT2msa92cQLZwtCygWMgUJGKg@mail.gmail.com>
Date:	Sun, 1 Mar 2015 13:17:15 -0800
From:	Michel Lespinasse <walken@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...nel.org, rusty@...tcorp.com.au,
	mathieu.desnoyers@...icios.com, oleg@...hat.com,
	paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	andi@...stfloor.org, rostedt@...dmis.org, tglx@...utronix.de,
	Andrea Arcangeli <aarcange@...hat.com>,
	David Woodhouse <David.Woodhouse@...el.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [RFC][PATCH 7/9] rbtree: Implement generic latch_tree

On Sat, Feb 28, 2015 at 1:24 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> Implement a latched RB-tree in order to get RCU style lookups.

Looks fine to me.

I wanted to ask, you are writing this as a generic layer even though
there is a single use at the moment; do you anticipate this will get
more usage soon ? I may have more comments if I knew what those may be
(it's probably all fine if the rate of changes is very low such as
with module load/unload, but I'm not sure what else you have in mind).

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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