Commit 6055aaf8 authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk
Browse files

xen/spinlock: We don't need the old structure anymore 



As we are using the generic ticketlock structs and these
old structures are not needed anymore.

Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent 1fb3a8b2

arch/x86/xen/spinlock.c

+0 −18
Original line number Diff line number Diff line
@@ -81,7 +81,6 @@ static inline void spin_time_accum_blocked(u64 start) 
	spinlock_stats.time_blocked += delta;

}

#else  /* !CONFIG_XEN_DEBUG_FS */

#define TIMEOUT			(1 << 10)

static inline void add_stats(enum xen_contention_stat var, u32 val)

{

}
@@ -96,23 +95,6 @@ static inline void spin_time_accum_blocked(u64 start) 
}

#endif  /* CONFIG_XEN_DEBUG_FS */



/*

 * Size struct xen_spinlock so it's the same as arch_spinlock_t.

 */

#if NR_CPUS < 256

typedef u8 xen_spinners_t;

# define inc_spinners(xl) \

	asm(LOCK_PREFIX " incb %0" : "+m" ((xl)->spinners) : : "memory");

# define dec_spinners(xl) \

	asm(LOCK_PREFIX " decb %0" : "+m" ((xl)->spinners) : : "memory");

#else

typedef u16 xen_spinners_t;

# define inc_spinners(xl) \

	asm(LOCK_PREFIX " incw %0" : "+m" ((xl)->spinners) : : "memory");

# define dec_spinners(xl) \

	asm(LOCK_PREFIX " decw %0" : "+m" ((xl)->spinners) : : "memory");

#endif



struct xen_lock_waiting {

	struct arch_spinlock *lock;

	__ticket_t want;