[PATCH] x86_64: Remove unused variable in delay.c

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/lib/delay.c

@@ -18,8 +18,6 @@
 #include <asm/smp.h>
 #endif
 
-int x86_udelay_tsc = 0;		/* Delay via TSC */
-
 int read_current_timer(unsigned long *timer_value)
 {
 	rdtscll(*timer_value);