Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754768AbbFSOIj (ORCPT ); Fri, 19 Jun 2015 10:08:39 -0400 Received: from verein.lst.de ([213.95.11.211]:60958 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932084AbbFSOIa (ORCPT ); Fri, 19 Jun 2015 10:08:30 -0400 Date: Fri, 19 Jun 2015 16:08:29 +0200 From: Torsten Duwe To: Steven Rostedt , Michael Ellerman Cc: Jiri Kosina , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] ppc64 ftrace_with_regs configuration variables Message-ID: <20150619140829.GB8824@lst.de> References: <20150619140403.GA8681@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150619140403.GA8681@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2043 Lines: 63 * Makefile: - globally use -mprofile-kernel in case it's configured. * arch/powerpc/Kconfig / kernel/trace/Kconfig: - declare that ppc64 HAVE_MPROFILE_KERNEL and HAVE_DYNAMIC_FTRACE_WITH_REGS, and use it. Signed-off-by: Torsten Duwe --- Makefile | 5 ++++- arch/powerpc/Kconfig | 2 ++ kernel/trace/Kconfig | 5 +++++ 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 3d16bcc..bbd5e87 100644 --- a/Makefile +++ b/Makefile @@ -733,7 +733,10 @@ export CC_FLAGS_FTRACE ifdef CONFIG_HAVE_FENTRY CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY) endif -KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_USING_FENTRY) +ifdef CONFIG_HAVE_MPROFILE_KERNEL +CC_USING_MPROFILE_KERNEL := $(call cc-option, -mprofile-kernel -DCC_USING_MPROFILE_KERNEL) +endif +KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_USING_FENTRY) $(CC_USING_MPROFILE_KERNEL) KBUILD_AFLAGS += $(CC_USING_FENTRY) ifdef CONFIG_DYNAMIC_FTRACE ifdef CONFIG_HAVE_C_RECORDMCOUNT diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 22b0940..566f204 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -94,8 +94,10 @@ config PPC select OF_RESERVED_MEM select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE + select HAVE_DYNAMIC_FTRACE_WITH_REGS select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_MPROFILE_KERNEL select SYSCTL_EXCEPTION_TRACE select ARCH_WANT_OPTIONAL_GPIOLIB select VIRT_TO_BUS if !PPC64 diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index a5da09c..dd53f3d 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -52,6 +52,11 @@ config HAVE_FENTRY help Arch supports the gcc options -pg with -mfentry +config HAVE_MPROFILE_KERNEL + bool + help + Arch supports the gcc options -pg with -mprofile-kernel + config HAVE_C_RECORDMCOUNT bool help -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/