From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 6D39EDDEDD for ; Thu, 4 Sep 2008 18:04:56 +1000 (EST) Subject: Re: [PATCH 2/2] powerpc - Make the irq reverse mapping radix tree lockless From: Benjamin Herrenschmidt To: Sebastien Dugue In-Reply-To: <20080904095507.207d1091@bull.net> 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> Content-Type: text/plain Date: Thu, 04 Sep 2008 17:58:56 +1000 Message-Id: <1220515136.4879.70.camel@pasglop> Mime-Version: 1.0 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 Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > 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.