From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753141AbbFZPT3 (ORCPT ); Fri, 26 Jun 2015 11:19:29 -0400 Received: from mail-la0-f48.google.com ([209.85.215.48]:36599 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753276AbbFZPTV (ORCPT ); Fri, 26 Jun 2015 11:19:21 -0400 MIME-Version: 1.0 In-Reply-To: <20150626145835.GD9791@arm.com> References: <1435162623-20075-1-git-send-email-will.deacon@arm.com> <558C02DD.4010700@intel.com> <20150626122308.GC9791@arm.com> <558D59D1.1040102@intel.com> <20150626145835.GD9791@arm.com> From: Andy Lutomirski Date: Fri, 26 Jun 2015 08:18:59 -0700 Message-ID: Subject: Re: [PATCH] perf tools: don't adjust symbols in vDSO To: Will Deacon Cc: Adrian Hunter , "acme@redhat.com" , "linux-kernel@vger.kernel.org" , Kristina Martsenko , Vladimir Nikulichev , Namhyung Kim Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 26, 2015 at 7:58 AM, Will Deacon wrote: > (CC'ing Andy, since the removal of VDSO_PRELINK is user-visible here) What arch is this? I removed VDSO_PRELINK entirely from x86 a while back, and now x86's vdso has a base address of 0 before relocations, and everything works just fine. (Except one ancient glibc, which fails if the vdso is relocated at all. We no longer support that version of glibc unless you turn off the vdso entirely.) --Andy