xen/spinlock: We don't need the old structure anymore (6055aaf8) · Commits · 戴 / test

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;