Commit 47b69ad6 authored by Tejun Heo's avatar Tejun Heo
Browse files

percpu: move generic {raw|this}_cpu_*_N() definitions to include/asm-generic/percpu.h 



{raw|this}_cpu_*_N() operations are expected to be provided by archs
and the generic definitions are provided as fallbacks.  As such, these
firmly belong to include/asm-generic/percpu.h.

Move the generic definitions to include/asm-generic/percpu.h.  The
code is moved mostly verbatim; however, raw_cpu_*_N() are placed above
this_cpu_*_N() which is more conventional as the raw operations may be
used to defined other variants.

This is pure reorganization.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Acked-by: default avatarChristoph Lameter <cl@linux.com>
parent dcba4333

include/asm-generic/percpu.h

+341 −0
Original line number Diff line number Diff line
@@ -65,4 +65,345 @@ extern void setup_per_cpu_areas(void); 
#define PER_CPU_DEF_ATTRIBUTES

#endif



# ifndef raw_cpu_read_1

#  define raw_cpu_read_1(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# ifndef raw_cpu_read_2

#  define raw_cpu_read_2(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# ifndef raw_cpu_read_4

#  define raw_cpu_read_4(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# ifndef raw_cpu_read_8

#  define raw_cpu_read_8(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif



#define raw_cpu_generic_to_op(pcp, val, op)				\

do {									\

	*raw_cpu_ptr(&(pcp)) op val;					\

} while (0)



# ifndef raw_cpu_write_1

#  define raw_cpu_write_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef raw_cpu_write_2

#  define raw_cpu_write_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef raw_cpu_write_4

#  define raw_cpu_write_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef raw_cpu_write_8

#  define raw_cpu_write_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif



# ifndef raw_cpu_add_1

#  define raw_cpu_add_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef raw_cpu_add_2

#  define raw_cpu_add_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef raw_cpu_add_4

#  define raw_cpu_add_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef raw_cpu_add_8

#  define raw_cpu_add_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif



# ifndef raw_cpu_and_1

#  define raw_cpu_and_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef raw_cpu_and_2

#  define raw_cpu_and_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef raw_cpu_and_4

#  define raw_cpu_and_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef raw_cpu_and_8

#  define raw_cpu_and_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif



# ifndef raw_cpu_or_1

#  define raw_cpu_or_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef raw_cpu_or_2

#  define raw_cpu_or_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef raw_cpu_or_4

#  define raw_cpu_or_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef raw_cpu_or_8

#  define raw_cpu_or_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif



#define raw_cpu_generic_add_return(pcp, val)				\

({									\

	raw_cpu_add(pcp, val);						\

	raw_cpu_read(pcp);						\

})



# ifndef raw_cpu_add_return_1

#  define raw_cpu_add_return_1(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# ifndef raw_cpu_add_return_2

#  define raw_cpu_add_return_2(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# ifndef raw_cpu_add_return_4

#  define raw_cpu_add_return_4(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# ifndef raw_cpu_add_return_8

#  define raw_cpu_add_return_8(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif



#define raw_cpu_generic_xchg(pcp, nval)					\

({	typeof(pcp) ret__;						\

	ret__ = raw_cpu_read(pcp);					\

	raw_cpu_write(pcp, nval);					\

	ret__;								\

})



# ifndef raw_cpu_xchg_1

#  define raw_cpu_xchg_1(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# ifndef raw_cpu_xchg_2

#  define raw_cpu_xchg_2(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# ifndef raw_cpu_xchg_4

#  define raw_cpu_xchg_4(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# ifndef raw_cpu_xchg_8

#  define raw_cpu_xchg_8(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif



#define raw_cpu_generic_cmpxchg(pcp, oval, nval)			\

({									\

	typeof(pcp) ret__;						\

	ret__ = raw_cpu_read(pcp);					\

	if (ret__ == (oval))						\

		raw_cpu_write(pcp, nval);				\

	ret__;								\

})



# ifndef raw_cpu_cmpxchg_1

#  define raw_cpu_cmpxchg_1(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef raw_cpu_cmpxchg_2

#  define raw_cpu_cmpxchg_2(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef raw_cpu_cmpxchg_4

#  define raw_cpu_cmpxchg_4(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef raw_cpu_cmpxchg_8

#  define raw_cpu_cmpxchg_8(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif



#define raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

({									\

	int __ret = 0;							\

	if (raw_cpu_read(pcp1) == (oval1) &&				\

			 raw_cpu_read(pcp2)  == (oval2)) {		\

		raw_cpu_write(pcp1, (nval1));				\

		raw_cpu_write(pcp2, (nval2));				\

		__ret = 1;						\

	}								\

	(__ret);							\

})



# ifndef raw_cpu_cmpxchg_double_1

#  define raw_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef raw_cpu_cmpxchg_double_2

#  define raw_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef raw_cpu_cmpxchg_double_4

#  define raw_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef raw_cpu_cmpxchg_double_8

#  define raw_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif



#define _this_cpu_generic_read(pcp)					\

({	typeof(pcp) ret__;						\

	preempt_disable();						\

	ret__ = *this_cpu_ptr(&(pcp));					\

	preempt_enable();						\

	ret__;								\

})



# ifndef this_cpu_read_1

#  define this_cpu_read_1(pcp)	_this_cpu_generic_read(pcp)

# endif

# ifndef this_cpu_read_2

#  define this_cpu_read_2(pcp)	_this_cpu_generic_read(pcp)

# endif

# ifndef this_cpu_read_4

#  define this_cpu_read_4(pcp)	_this_cpu_generic_read(pcp)

# endif

# ifndef this_cpu_read_8

#  define this_cpu_read_8(pcp)	_this_cpu_generic_read(pcp)

# endif



#define _this_cpu_generic_to_op(pcp, val, op)				\

do {									\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	*raw_cpu_ptr(&(pcp)) op val;					\

	raw_local_irq_restore(flags);					\

} while (0)



# ifndef this_cpu_write_1

#  define this_cpu_write_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef this_cpu_write_2

#  define this_cpu_write_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef this_cpu_write_4

#  define this_cpu_write_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef this_cpu_write_8

#  define this_cpu_write_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif



# ifndef this_cpu_add_1

#  define this_cpu_add_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef this_cpu_add_2

#  define this_cpu_add_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef this_cpu_add_4

#  define this_cpu_add_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef this_cpu_add_8

#  define this_cpu_add_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif



# ifndef this_cpu_and_1

#  define this_cpu_and_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef this_cpu_and_2

#  define this_cpu_and_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef this_cpu_and_4

#  define this_cpu_and_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef this_cpu_and_8

#  define this_cpu_and_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif



# ifndef this_cpu_or_1

#  define this_cpu_or_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef this_cpu_or_2

#  define this_cpu_or_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef this_cpu_or_4

#  define this_cpu_or_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef this_cpu_or_8

#  define this_cpu_or_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif



#define _this_cpu_generic_add_return(pcp, val)				\

({									\

	typeof(pcp) ret__;						\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	raw_cpu_add(pcp, val);					\

	ret__ = raw_cpu_read(pcp);					\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_add_return_1

#  define this_cpu_add_return_1(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# ifndef this_cpu_add_return_2

#  define this_cpu_add_return_2(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# ifndef this_cpu_add_return_4

#  define this_cpu_add_return_4(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# ifndef this_cpu_add_return_8

#  define this_cpu_add_return_8(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif



#define _this_cpu_generic_xchg(pcp, nval)				\

({	typeof(pcp) ret__;						\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	ret__ = raw_cpu_read(pcp);					\

	raw_cpu_write(pcp, nval);					\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_xchg_1

#  define this_cpu_xchg_1(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# ifndef this_cpu_xchg_2

#  define this_cpu_xchg_2(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# ifndef this_cpu_xchg_4

#  define this_cpu_xchg_4(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# ifndef this_cpu_xchg_8

#  define this_cpu_xchg_8(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif



#define _this_cpu_generic_cmpxchg(pcp, oval, nval)			\

({									\

	typeof(pcp) ret__;						\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	ret__ = raw_cpu_read(pcp);					\

	if (ret__ == (oval))						\

		raw_cpu_write(pcp, nval);				\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_cmpxchg_1

#  define this_cpu_cmpxchg_1(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef this_cpu_cmpxchg_2

#  define this_cpu_cmpxchg_2(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef this_cpu_cmpxchg_4

#  define this_cpu_cmpxchg_4(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef this_cpu_cmpxchg_8

#  define this_cpu_cmpxchg_8(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif



#define _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

({									\

	int ret__;							\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	ret__ = raw_cpu_generic_cmpxchg_double(pcp1, pcp2,		\

			oval1, oval2, nval1, nval2);			\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_cmpxchg_double_1

#  define this_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef this_cpu_cmpxchg_double_2

#  define this_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef this_cpu_cmpxchg_double_4

#  define this_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef this_cpu_cmpxchg_double_8

#  define this_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif



#endif /* _ASM_GENERIC_PERCPU_H_ */

include/linux/percpu.h

+0 −344
Original line number Diff line number Diff line
@@ -233,174 +233,20 @@ do { \ 
 * generic code will be used.

 */



#define _this_cpu_generic_read(pcp)					\

({	typeof(pcp) ret__;						\

	preempt_disable();						\

	ret__ = *this_cpu_ptr(&(pcp));					\

	preempt_enable();						\

	ret__;								\

})



# ifndef this_cpu_read_1

#  define this_cpu_read_1(pcp)	_this_cpu_generic_read(pcp)

# endif

# ifndef this_cpu_read_2

#  define this_cpu_read_2(pcp)	_this_cpu_generic_read(pcp)

# endif

# ifndef this_cpu_read_4

#  define this_cpu_read_4(pcp)	_this_cpu_generic_read(pcp)

# endif

# ifndef this_cpu_read_8

#  define this_cpu_read_8(pcp)	_this_cpu_generic_read(pcp)

# endif

# define this_cpu_read(pcp)	__pcpu_size_call_return(this_cpu_read_, (pcp))



#define _this_cpu_generic_to_op(pcp, val, op)				\

do {									\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	*raw_cpu_ptr(&(pcp)) op val;					\

	raw_local_irq_restore(flags);					\

} while (0)



# ifndef this_cpu_write_1

#  define this_cpu_write_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef this_cpu_write_2

#  define this_cpu_write_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef this_cpu_write_4

#  define this_cpu_write_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef this_cpu_write_8

#  define this_cpu_write_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), =)

# endif

# define this_cpu_write(pcp, val)	__pcpu_size_call(this_cpu_write_, (pcp), (val))



# ifndef this_cpu_add_1

#  define this_cpu_add_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef this_cpu_add_2

#  define this_cpu_add_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef this_cpu_add_4

#  define this_cpu_add_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef this_cpu_add_8

#  define this_cpu_add_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), +=)

# endif

# define this_cpu_add(pcp, val)		__pcpu_size_call(this_cpu_add_, (pcp), (val))



# define this_cpu_sub(pcp, val)		this_cpu_add((pcp), -(typeof(pcp))(val))

# define this_cpu_inc(pcp)		this_cpu_add((pcp), 1)

# define this_cpu_dec(pcp)		this_cpu_sub((pcp), 1)



# ifndef this_cpu_and_1

#  define this_cpu_and_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef this_cpu_and_2

#  define this_cpu_and_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef this_cpu_and_4

#  define this_cpu_and_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef this_cpu_and_8

#  define this_cpu_and_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), &=)

# endif

# define this_cpu_and(pcp, val)		__pcpu_size_call(this_cpu_and_, (pcp), (val))



# ifndef this_cpu_or_1

#  define this_cpu_or_1(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef this_cpu_or_2

#  define this_cpu_or_2(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef this_cpu_or_4

#  define this_cpu_or_4(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef this_cpu_or_8

#  define this_cpu_or_8(pcp, val)	_this_cpu_generic_to_op((pcp), (val), |=)

# endif

# define this_cpu_or(pcp, val)		__pcpu_size_call(this_cpu_or_, (pcp), (val))



#define _this_cpu_generic_add_return(pcp, val)				\

({									\

	typeof(pcp) ret__;						\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	raw_cpu_add(pcp, val);					\

	ret__ = raw_cpu_read(pcp);					\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_add_return_1

#  define this_cpu_add_return_1(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# ifndef this_cpu_add_return_2

#  define this_cpu_add_return_2(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# ifndef this_cpu_add_return_4

#  define this_cpu_add_return_4(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# ifndef this_cpu_add_return_8

#  define this_cpu_add_return_8(pcp, val)	_this_cpu_generic_add_return(pcp, val)

# endif

# define this_cpu_add_return(pcp, val)	__pcpu_size_call_return2(this_cpu_add_return_, pcp, val)



#define this_cpu_sub_return(pcp, val)	this_cpu_add_return(pcp, -(typeof(pcp))(val))

#define this_cpu_inc_return(pcp)	this_cpu_add_return(pcp, 1)

#define this_cpu_dec_return(pcp)	this_cpu_add_return(pcp, -1)



#define _this_cpu_generic_xchg(pcp, nval)				\

({	typeof(pcp) ret__;						\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	ret__ = raw_cpu_read(pcp);					\

	raw_cpu_write(pcp, nval);					\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_xchg_1

#  define this_cpu_xchg_1(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# ifndef this_cpu_xchg_2

#  define this_cpu_xchg_2(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# ifndef this_cpu_xchg_4

#  define this_cpu_xchg_4(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# ifndef this_cpu_xchg_8

#  define this_cpu_xchg_8(pcp, nval)	_this_cpu_generic_xchg(pcp, nval)

# endif

# define this_cpu_xchg(pcp, nval)	\

	__pcpu_size_call_return2(this_cpu_xchg_, (pcp), nval)



#define _this_cpu_generic_cmpxchg(pcp, oval, nval)			\

({									\

	typeof(pcp) ret__;						\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	ret__ = raw_cpu_read(pcp);					\

	if (ret__ == (oval))						\

		raw_cpu_write(pcp, nval);				\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_cmpxchg_1

#  define this_cpu_cmpxchg_1(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef this_cpu_cmpxchg_2

#  define this_cpu_cmpxchg_2(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef this_cpu_cmpxchg_4

#  define this_cpu_cmpxchg_4(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef this_cpu_cmpxchg_8

#  define this_cpu_cmpxchg_8(pcp, oval, nval)	_this_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# define this_cpu_cmpxchg(pcp, oval, nval)	\

	__pcpu_size_call_return2(this_cpu_cmpxchg_, pcp, oval, nval)
@@ -412,33 +258,6 @@ do { \ 
 * very limited hardware support for these operations, so only certain

 * sizes may work.

 */

#define _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

({									\

	int ret__;							\

	unsigned long flags;						\

	raw_local_irq_save(flags);					\

	ret__ = raw_cpu_generic_cmpxchg_double(pcp1, pcp2,		\

			oval1, oval2, nval1, nval2);			\

	raw_local_irq_restore(flags);					\

	ret__;								\

})



# ifndef this_cpu_cmpxchg_double_1

#  define this_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef this_cpu_cmpxchg_double_2

#  define this_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef this_cpu_cmpxchg_double_4

#  define this_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef this_cpu_cmpxchg_double_8

#  define this_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	_this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# define this_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	__pcpu_double_call_return_bool(this_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2))
@@ -452,186 +271,23 @@ do { \ 
 * or an interrupt occurred and the same percpu variable was modified from

 * the interrupt context.

 */

# ifndef raw_cpu_read_1

#  define raw_cpu_read_1(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# ifndef raw_cpu_read_2

#  define raw_cpu_read_2(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# ifndef raw_cpu_read_4

#  define raw_cpu_read_4(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# ifndef raw_cpu_read_8

#  define raw_cpu_read_8(pcp)	(*raw_cpu_ptr(&(pcp)))

# endif

# define raw_cpu_read(pcp)	__pcpu_size_call_return(raw_cpu_read_, (pcp))



#define raw_cpu_generic_to_op(pcp, val, op)				\

do {									\

	*raw_cpu_ptr(&(pcp)) op val;					\

} while (0)



# ifndef raw_cpu_write_1

#  define raw_cpu_write_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef raw_cpu_write_2

#  define raw_cpu_write_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef raw_cpu_write_4

#  define raw_cpu_write_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# ifndef raw_cpu_write_8

#  define raw_cpu_write_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), =)

# endif

# define raw_cpu_write(pcp, val)	__pcpu_size_call(raw_cpu_write_, (pcp), (val))



# ifndef raw_cpu_add_1

#  define raw_cpu_add_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef raw_cpu_add_2

#  define raw_cpu_add_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef raw_cpu_add_4

#  define raw_cpu_add_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# ifndef raw_cpu_add_8

#  define raw_cpu_add_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), +=)

# endif

# define raw_cpu_add(pcp, val)	__pcpu_size_call(raw_cpu_add_, (pcp), (val))



# define raw_cpu_sub(pcp, val)	raw_cpu_add((pcp), -(val))



# define raw_cpu_inc(pcp)		raw_cpu_add((pcp), 1)



# define raw_cpu_dec(pcp)		raw_cpu_sub((pcp), 1)



# ifndef raw_cpu_and_1

#  define raw_cpu_and_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef raw_cpu_and_2

#  define raw_cpu_and_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef raw_cpu_and_4

#  define raw_cpu_and_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# ifndef raw_cpu_and_8

#  define raw_cpu_and_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), &=)

# endif

# define raw_cpu_and(pcp, val)	__pcpu_size_call(raw_cpu_and_, (pcp), (val))



# ifndef raw_cpu_or_1

#  define raw_cpu_or_1(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef raw_cpu_or_2

#  define raw_cpu_or_2(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef raw_cpu_or_4

#  define raw_cpu_or_4(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# ifndef raw_cpu_or_8

#  define raw_cpu_or_8(pcp, val)	raw_cpu_generic_to_op((pcp), (val), |=)

# endif

# define raw_cpu_or(pcp, val)	__pcpu_size_call(raw_cpu_or_, (pcp), (val))



#define raw_cpu_generic_add_return(pcp, val)				\

({									\

	raw_cpu_add(pcp, val);						\

	raw_cpu_read(pcp);						\

})



# ifndef raw_cpu_add_return_1

#  define raw_cpu_add_return_1(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# ifndef raw_cpu_add_return_2

#  define raw_cpu_add_return_2(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# ifndef raw_cpu_add_return_4

#  define raw_cpu_add_return_4(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# ifndef raw_cpu_add_return_8

#  define raw_cpu_add_return_8(pcp, val)	raw_cpu_generic_add_return(pcp, val)

# endif

# define raw_cpu_add_return(pcp, val)	\

	__pcpu_size_call_return2(raw_cpu_add_return_, pcp, val)



#define raw_cpu_sub_return(pcp, val)	raw_cpu_add_return(pcp, -(typeof(pcp))(val))

#define raw_cpu_inc_return(pcp)	raw_cpu_add_return(pcp, 1)

#define raw_cpu_dec_return(pcp)	raw_cpu_add_return(pcp, -1)



#define raw_cpu_generic_xchg(pcp, nval)					\

({	typeof(pcp) ret__;						\

	ret__ = raw_cpu_read(pcp);					\

	raw_cpu_write(pcp, nval);					\

	ret__;								\

})



# ifndef raw_cpu_xchg_1

#  define raw_cpu_xchg_1(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# ifndef raw_cpu_xchg_2

#  define raw_cpu_xchg_2(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# ifndef raw_cpu_xchg_4

#  define raw_cpu_xchg_4(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# ifndef raw_cpu_xchg_8

#  define raw_cpu_xchg_8(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)

# endif

# define raw_cpu_xchg(pcp, nval)	\

	__pcpu_size_call_return2(raw_cpu_xchg_, (pcp), nval)



#define raw_cpu_generic_cmpxchg(pcp, oval, nval)			\

({									\

	typeof(pcp) ret__;						\

	ret__ = raw_cpu_read(pcp);					\

	if (ret__ == (oval))						\

		raw_cpu_write(pcp, nval);				\

	ret__;								\

})



# ifndef raw_cpu_cmpxchg_1

#  define raw_cpu_cmpxchg_1(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef raw_cpu_cmpxchg_2

#  define raw_cpu_cmpxchg_2(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef raw_cpu_cmpxchg_4

#  define raw_cpu_cmpxchg_4(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# ifndef raw_cpu_cmpxchg_8

#  define raw_cpu_cmpxchg_8(pcp, oval, nval)	raw_cpu_generic_cmpxchg(pcp, oval, nval)

# endif

# define raw_cpu_cmpxchg(pcp, oval, nval)	\

	__pcpu_size_call_return2(raw_cpu_cmpxchg_, pcp, oval, nval)



#define raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

({									\

	int __ret = 0;							\

	if (raw_cpu_read(pcp1) == (oval1) &&				\

			 raw_cpu_read(pcp2)  == (oval2)) {		\

		raw_cpu_write(pcp1, (nval1));				\

		raw_cpu_write(pcp2, (nval2));				\

		__ret = 1;						\

	}								\

	(__ret);							\

})



# ifndef raw_cpu_cmpxchg_double_1

#  define raw_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef raw_cpu_cmpxchg_double_2

#  define raw_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef raw_cpu_cmpxchg_double_4

#  define raw_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# ifndef raw_cpu_cmpxchg_double_8

#  define raw_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	raw_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)

# endif

# define raw_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)	\

	__pcpu_double_call_return_bool(raw_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2))

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