Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934066Ab3GQAI1 (ORCPT ); Tue, 16 Jul 2013 20:08:27 -0400 Received: from mail-db8lp0186.outbound.messaging.microsoft.com ([213.199.154.186]:7384 "EHLO db8outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933877Ab3GQAIZ convert rfc822-to-8bit (ORCPT ); Tue, 16 Jul 2013 20:08:25 -0400 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-SpamScore: -5 X-BigFish: VS-5(zzbb2dI98dI9371I936eI1432Izz1f42h1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6hzzz2dh2a8h668h839h944hd2bhf0ah1288h12a5h12a9h12bdh137ah139eh13b6h1441h1504h1537h162dh1631h16a6h1758h1898h18e1h1946h19b5h1ad9h1b0ah1d0ch1d2eh1d3fh1dfeh1dffh1e23h1155h) Date: Tue, 16 Jul 2013 19:08:17 -0500 From: Scott Wood Subject: Re: [PATCH] module: ppc64 module CRC relocation fix causes perf issues To: Benjamin Herrenschmidt CC: Paul Mackerras , Rusty Russell , Neil Horman , , , Anton Blanchard References: <1374014420.8183.342@snotra> <1374019445.19894.403.camel@pasglop> In-Reply-To: <1374019445.19894.403.camel@pasglop> (from benh@kernel.crashing.org on Tue Jul 16 19:04:05 2013) X-Mailer: Balsa 2.4.12 Message-ID: <1374019697.8183.351@snotra> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; delsp=Yes; format=Flowed Content-Disposition: inline Content-Transfer-Encoding: 8BIT X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1077 Lines: 32 On 07/16/2013 07:04:05 PM, Benjamin Herrenschmidt wrote: > On Tue, 2013-07-16 at 17:40 -0500, Scott Wood wrote: > > On 07/15/2013 03:47:06 AM, Benjamin Herrenschmidt wrote: > > > On Mon, 2013-07-15 at 14:04 +1000, Anton Blanchard wrote: > > > > Module CRCs are implemented as absolute symbols that get > resolved by > > > > a linker script. We build an intermediate .o that contains an > > > > unresolved symbol for each CRC. genksysms parses this .o, > calculates > > > > the CRCs and writes a linker script that "resolves" the symbols > to > > > > the calc > > > > > > Scott, can somebody from FSL test that on 32-bit and Ack it ? > > > > > > Thanks ! > > > > > > Cheers, > > > Ben. > > > > It boots for me on e500mc and I can insert modules. > > But does perf work ? :-) What specifically should I do to test it? -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/