linux-kernel - [patch 1/9] x86, bts: exclude ds.c from build when disabled

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Message-ID: <20081125084513.A30615@sedona.ch.intel.com>
Date:	Tue, 25 Nov 2008 08:45:13 +0100
From:	Markus Metzger <markus.t.metzger@...el.com>
To:	hpa@...or.com, linux-kernel@...r.kernel.org, mingo@...e.hu,
	tglx@...utronix.de
Cc:	markus.t.metzger@...el.com, markus.t.metzger@...il.com,
	roland@...hat.com, akpm@...ux-foundation.org,
	mtk.manpages@...il.com, eranian@...glemail.com,
	juan.villacis@...el.com
Subject: [patch 1/9] x86, bts: exclude ds.c from build when disabled

Move the CONFIG guard from the .c file into the makefile.

Reported-by: Andi Kleen <andi-suse@...stfloor.org>
Signed-off-by: Markus Metzger <markus.t.metzger@...el.com>
---

Index: ftrace/arch/x86/kernel/Makefile
===================================================================
--- ftrace.orig/arch/x86/kernel/Makefile	2008-11-24 12:57:07.000000000 +0100
+++ ftrace/arch/x86/kernel/Makefile	2008-11-24 12:58:31.000000000 +0100
@@ -48,7 +48,7 @@
 obj-y				+= process.o
 obj-y				+= i387.o xsave.o
 obj-y				+= ptrace.o
-obj-y				+= ds.o
+obj-$(CONFIG_X86_DS)		+= ds.o
 obj-$(CONFIG_X86_32)		+= tls.o
 obj-$(CONFIG_IA32_EMULATION)	+= tls.o
 obj-y				+= step.o
Index: ftrace/arch/x86/kernel/ds.c
===================================================================
--- ftrace.orig/arch/x86/kernel/ds.c	2008-11-24 12:57:08.000000000 +0100
+++ ftrace/arch/x86/kernel/ds.c	2008-11-24 12:58:31.000000000 +0100
@@ -21,8 +21,6 @@
  */
 
 
-#ifdef CONFIG_X86_DS
-
 #include <asm/ds.h>
 
 #include <linux/errno.h>
@@ -877,4 +875,3 @@
 	while (leftovers--)
 		ds_put_context(context);
 }
-#endif /* CONFIG_X86_DS */
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