1.1 --- a/xen/include/asm-ia64/linux-xen/asm/spinlock.h	Tue Nov 06 14:20:05 2007 -0700
     1.2 +++ b/xen/include/asm-ia64/linux-xen/asm/spinlock.h	Wed Nov 07 09:47:40 2007 -0700
     1.3 @@ -33,8 +33,20 @@ typedef struct {
     1.4  #endif
     1.5  } spinlock_t;
     1.6  
     1.7 +#ifdef XEN
     1.8 +#ifdef DEBUG_SPINLOCK
     1.9 +#define SPIN_LOCK_UNLOCKED	/*(spinlock_t)*/ { 0, NULL, -1, 0 }
    1.10 +#else
    1.11 +#define SPIN_LOCK_UNLOCKED	/*(spinlock_t)*/ { 0, -1, 0 }
    1.12 +#endif
    1.13 +static inline void spin_lock_init(spinlock_t *lock)
    1.14 +{
    1.15 +	*lock = ((spinlock_t)SPIN_LOCK_UNLOCKED);
    1.16 +}
    1.17 +#else
    1.18  #define SPIN_LOCK_UNLOCKED			/*(spinlock_t)*/ { 0 }
    1.19  #define spin_lock_init(x)			((x)->lock = 0)
    1.20 +#endif
    1.21  
    1.22  #ifdef ASM_SUPPORTED
    1.23  /*