[PATCH] target-arm: remove unused functions cpu_lock(), cpu_unlock()

Signed-off-by: NRiku Voipio <riku.voipio@nokia.com>

target-arm/cpu.h

@@ -227,8 +227,6 @@ int cpu_arm_handle_mmu_fault (CPUARMState *env, target_ulong address, int rw,
                               int mmu_idx, int is_softmuu);
 #define cpu_handle_mmu_fault cpu_arm_handle_mmu_fault
 
-void cpu_lock(void);
-void cpu_unlock(void);
 static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
 {
   env->cp15.c13_tls2 = newtls;

target-arm/op_helper.c

@@ -28,20 +28,6 @@ void raise_exception(int tt)
     cpu_loop_exit();
 }
 
-/* thread support */
-
-static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
-
-void cpu_lock(void)
-{
-    spin_lock(&global_cpu_lock);
-}
-
-void cpu_unlock(void)
-{
-    spin_unlock(&global_cpu_lock);
-}
-
 uint32_t HELPER(neon_tbl)(uint32_t ireg, uint32_t def,
                           uint32_t rn, uint32_t maxindex)
 {