From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ecfrec.frec.bull.fr (ecfrec.frec.bull.fr [129.183.4.8]) by ozlabs.org (Postfix) with ESMTP id 7EAF2DE007 for ; Thu, 4 Sep 2008 18:05:09 +1000 (EST) Date: Thu, 4 Sep 2008 10:04:55 +0200 From: Sebastien Dugue To: benh@kernel.crashing.org Subject: Re: [PATCH 2/2] powerpc - Make the irq reverse mapping radix tree lockless Message-ID: <20080904100455.5b96cc29@bull.net> In-Reply-To: <1220515136.4879.70.camel@pasglop> References: <1218029429-21114-1-git-send-email-sebastien.dugue@bull.net> <1218029429-21114-3-git-send-email-sebastien.dugue@bull.net> <1219209781.21386.25.camel@pasglop> <20080903154105.7dff49db@bull.net> <1220496739.4879.20.camel@pasglop> <20080904092252.12b3df4a@bull.net> <1220513643.4879.68.camel@pasglop> <20080904095507.207d1091@bull.net> <1220515136.4879.70.camel@pasglop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: dwalker@mvista.com, tinytim@us.ibm.com, linux-rt-users@vger.kernel.org, jean-pierre.dion@bull.net, rostedt@goodmis.org, linux-kernel@vger.kernel.org, michael@ellerman.id.au, linuxppc-dev@ozlabs.org, paulus@samba.org, gilles.carry@ext.bull.net, tglx@linutronix.de List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 04 Sep 2008 17:58:56 +1000 Benjamin Herrenschmidt wrote: > > > 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 ! > Will do that way. Thanks, Sebastien.