Enable apic main timer mode by default for better testing 

Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux/arch/x86_64/kernel/apic.c
===================================================================
--- linux.orig/arch/x86_64/kernel/apic.c
+++ linux/arch/x86_64/kernel/apic.c
@@ -38,7 +38,7 @@
 #include <asm/proto.h>
 
 int apic_verbosity;
-int apic_runs_main_timer;
+int apic_runs_main_timer = 1; /* for testing */
 
 int disable_apic_timer __initdata;