From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756695AbaGNRH4 (ORCPT ); Mon, 14 Jul 2014 13:07:56 -0400 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.232]:30956 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756279AbaGNRH3 (ORCPT ); Mon, 14 Jul 2014 13:07:29 -0400 Message-Id: <20140714170506.073521585@goodmis.org> User-Agent: quilt/0.63-1 Date: Mon, 14 Jul 2014 13:05:06 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: "H. Peter Anvin" , Ingo Molnar , Andrew Morton Subject: [RFA][PATCH 0/2] ftrace: Fix arch issues with function graph trampoline X-RR-Connecting-IP: 107.14.168.130:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org H. Peter Anvin, It was reported to me that my for-next branch broke other archs. This patch series makes the ftrace graph trampoline an opt-in feature, as it may require some arch changes to make it work. X86 did not require changes, but now that it is an opt in, x86 needs to do so to get this feature. Can you give me your Acked-by on patch 2? Thanks! -- Steve Steven Rostedt (Red Hat) (2): ftrace: Allow archs to specify if they need a separate function graph trampoline ftrace/x86: Have function graph tracer use its own trampoline ---- arch/x86/include/asm/ftrace.h | 2 ++ include/linux/ftrace.h | 10 ++++++++++ kernel/trace/ftrace.c | 6 ++++-- 3 files changed, 16 insertions(+), 2 deletions(-)