From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lixom.net (lixom.net [66.141.50.11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 31F42B7CB9 for ; Tue, 16 Feb 2010 15:18:59 +1100 (EST) Date: Mon, 15 Feb 2010 22:16:03 -0600 From: Olof Johansson To: Anton Blanchard Subject: Re: [PATCH 1/6] powerpc: Use lwarx hint in spinlocks Message-ID: <20100216041603.GA12167@lixom.net> References: <20100210105728.GA3399@kryten> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20100210105728.GA3399@kryten> Cc: npiggin@suse.de, linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Feb 10, 2010 at 09:57:28PM +1100, Anton Blanchard wrote: > v2: We do this only for 64bit until we can verify all 32bit CPUs. > > Tested so far: 970 (thanks Ben), POWER5, POWER6, POWER7 > Still to test: RS64, POWER3, POWER4 Tested on PA6T as well, no performance impact (as expected). -Olof