Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755352Ab3GQAFG (ORCPT ); Tue, 16 Jul 2013 20:05:06 -0400 Received: from gate.crashing.org ([63.228.1.57]:46515 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755248Ab3GQAFE (ORCPT ); Tue, 16 Jul 2013 20:05:04 -0400 Message-ID: <1374019445.19894.403.camel@pasglop> Subject: Re: [PATCH] module: ppc64 module CRC relocation fix causes perf issues From: Benjamin Herrenschmidt To: Scott Wood Cc: Paul Mackerras , Rusty Russell , Neil Horman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Anton Blanchard Date: Wed, 17 Jul 2013 10:04:05 +1000 In-Reply-To: <1374014420.8183.342@snotra> References: <1374014420.8183.342@snotra> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 939 Lines: 29 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 ? :-) Cheers, Ben. -- 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/