From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751356Ab1GYMcl (ORCPT ); Mon, 25 Jul 2011 08:32:41 -0400 Received: from ozlabs.org ([203.10.76.45]:37047 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864Ab1GYMcf (ORCPT ); Mon, 25 Jul 2011 08:32:35 -0400 Date: Mon, 25 Jul 2011 22:32:32 +1000 From: Anton Blanchard To: Ingo Molnar Cc: Peter Zijlstra , Paul Mackerras , Arnaldo Carvalho de Melo , emunson@mgebm.net, linux-kernel@vger.kernel.org, amodra@gmail.com Subject: Re: [PATCH] perf: Fix symbol resolution on old ppc64 ABI Message-ID: <20110725223232.4e2dce43@kryten> In-Reply-To: <20110725105004.GN28787@elte.hu> References: <20110725142356.0c722c6b@kryten> <20110725062542.GA694@elte.hu> <20110725204859.51e50611@kryten> <20110725105004.GN28787@elte.hu> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.24.4; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ingo, > > It would cover most cases. There would be an issue with functions > > that are less than 24 bytes in length (ie 6 instructions). Tiny > > functions are probably rare enough that we can live with it. > > Do such tiny functions get packed tightly, below 24 bytes? Another > sanitization pass could solve that issue, to trim partially > overlapping symbol regions, right? That would work I think. Should I cook up a patch? Anton