From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754738Ab2DYPXz (ORCPT ); Wed, 25 Apr 2012 11:23:55 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:29527 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754152Ab2DYPXy (ORCPT ); Wed, 25 Apr 2012 11:23:54 -0400 X-Authority-Analysis: v=2.0 cv=IaEFqBWa c=1 sm=0 a=ZycB6UtQUfgMyuk2+PxD7w==:17 a=XQbtiDEiEegA:10 a=8on2c2KRhUYA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=meVymXHHAAAA:8 a=bgGDqiizJMUdNrunuqAA:9 a=PUjeQqilurYA:10 a=jeBq3FmKZ4MA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.80.29 Message-ID: <1335367432.28106.167.camel@gandalf.stny.rr.com> Subject: [PATCH v2] kgdb: Do not allow function tracing of kgdb code From: Steven Rostedt To: LKML Cc: Jason Wessel , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Date: Wed, 25 Apr 2012 11:23:52 -0400 Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.2.2-1 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As function tracing the kgdb code can cause issues, as kgdb is a debugger itself, do not trace the kgdb functions. Signed-off-by: Steven Rostedt --- v2 - added all files in kernel/debug diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 532d2e0..b7828ce 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -15,6 +15,7 @@ CFLAGS_REMOVE_pvclock.o = -pg CFLAGS_REMOVE_kvmclock.o = -pg CFLAGS_REMOVE_ftrace.o = -pg CFLAGS_REMOVE_early_printk.o = -pg +CFLAGS_REMOVE_kgdb.o = -pg endif obj-y := process_$(BITS).o signal.o entry_$(BITS).o diff --git a/kernel/debug/Makefile b/kernel/debug/Makefile index a85edc3..5fa453c 100644 --- a/kernel/debug/Makefile +++ b/kernel/debug/Makefile @@ -2,5 +2,11 @@ # Makefile for the linux kernel debugger # +# Do not function trace debug files +ifdef CONFIG_FUNCTION_TRACER +ORIG_CFLAGS := $(KBUILD_CFLAGS) +KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS)) +endif + obj-$(CONFIG_KGDB) += debug_core.o gdbstub.o obj-$(CONFIG_KGDB_KDB) += kdb/