From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753458Ab0DCKsK (ORCPT ); Sat, 3 Apr 2010 06:48:10 -0400 Received: from mail-bw0-f209.google.com ([209.85.218.209]:35268 "EHLO mail-bw0-f209.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752763Ab0DCKrr (ORCPT ); Sat, 3 Apr 2010 06:47:47 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=SOYTuIiBSJWDZz4XrDAdZbAPUtuYOGHiWL5SQEvRu2Y83UwTYWJL03qeleLrLycUbq tv9CED9TNVzIUMZJOFSJILr4osEpM3k08Gtca7ktQBJHjLBei8IguMEdmQH00DrGaqKH qLcvDyI/GEhdwG+SUE7swX7Zy2i+2rKLAfsdA= From: Frederic Weisbecker To: Ingo Molnar Cc: LKML , Frederic Weisbecker , Michael Ellerman , Peter Zijlstra , Arnaldo Carvalho de Melo , Paul Mackerras Subject: [PATCH 1/2] perf: Always build the stub perf_arch_fetch_caller_regs version Date: Sat, 3 Apr 2010 12:47:38 +0200 Message-Id: <1270291659-6299-2-git-send-regression-fweisbec@gmail.com> X-Mailer: git-send-email 1.6.2.3 In-Reply-To: <1270291659-6299-1-git-send-regression-fweisbec@gmail.com> References: <1270291659-6299-1-git-send-regression-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that software events use perf_arch_fetch_caller_regs() too, we need the stub version to be always built in for archs that don't implement it. Fixes the following build error in PARISC: kernel/built-in.o: In function `perf_event_task_sched_out': (.text.perf_event_task_sched_out+0x54): undefined reference to `perf_arch_fetch_caller_regs' Reported-by: Ingo Molnar Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Paul Mackerras --- kernel/perf_event.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 96aae13..681af80 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -2784,12 +2784,11 @@ __weak struct perf_callchain_entry *perf_callchain(struct pt_regs *regs) return NULL; } -#ifdef CONFIG_EVENT_TRACING __weak void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip) { } -#endif + /* * Output -- 1.6.2.3