From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1bon0130.outbound.protection.outlook.com [157.56.111.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id E28051A0014 for ; Tue, 29 Sep 2015 10:00:54 +1000 (AEST) Date: Mon, 28 Sep 2015 19:00:39 -0500 From: Scott Wood To: Christophe Leroy CC: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , , Subject: Re: [PATCH v2 13/25] powerpc/8xx: also use r3 in the ITLB miss in all situations Message-ID: <20150929000039.GG6161@home.buserror.net> References: <94728e239cad2224383db7ddc1c57df7d11561eb.1442939410.git.christophe.leroy@c-s.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <94728e239cad2224383db7ddc1c57df7d11561eb.1442939410.git.christophe.leroy@c-s.fr> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Sep 22, 2015 at 06:50:54PM +0200, Christophe Leroy wrote: > We are spending between 40 and 160 cycles with a mean of 65 cycles > in the TLB handling routines (measured with mftbl) so make it more > simple althought it adds one instruction > > Signed-off-by: Christophe Leroy > --- > No change in v2 > > arch/powerpc/kernel/head_8xx.S | 15 ++++----------- > 1 file changed, 4 insertions(+), 11 deletions(-) Why is this a separate patch from 1/25? Same comments as on that patch. -Scott