x86, bts: exclude ds.c from build when disabled

Impact: cleanup

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

Reported-by: Andi Kleen <andi-suse@firstfloor.org>
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 3 deletions

diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
index d1a121443bde..4c8d57ec9663 100644
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
@@ -21,8 +21,6 @@
  */
 
 
-#ifdef CONFIG_X86_DS
-
 #include <asm/ds.h>
 
 #include <linux/errno.h>
@@ -878,4 +876,3 @@ void ds_free(struct ds_context *context)
         while (leftovers--)
                 ds_put_context(context);
 }
-#endif /* CONFIG_X86_DS */