linux-kernel - Re: [PATCH 2/2] powerpc - Make the irq reverse mapping radix tree lockless

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Message-Id: <1220515136.4879.70.camel@pasglop>
Date:	Thu, 04 Sep 2008 17:58:56 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Sebastien Dugue <sebastien.dugue@...l.net>
Cc:	dwalker@...sta.com, tinytim@...ibm.com,
	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	rostedt@...dmis.org, jean-pierre.dion@...l.net,
	michael@...erman.id.au, linuxppc-dev@...abs.org, paulus@...ba.org,
	gilles.carry@....bull.net, tglx@...utronix.de
Subject: Re: [PATCH 2/2] powerpc - Make the irq reverse mapping radix tree
	lockless


>   There's nothing to 'de-initialize' here, or am I missing something?
> radix_tree_insert() will return ENOMEM and won't insert anything.

Forget my comment, just fallback.

> > Or you can fallback if you don't find, as easy, probably
> > easier since it shouldn't happen in practice.
> 
>   That's what I had in mind.

Thanks for doing that work !

Cheers,
Ben.


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