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SubjectRe: [PATCH RFC 1/9] RCU: Split API to permit multiple RCU implementations
On Mon, Sep 10, 2007 at 11:32:08AM -0700, Paul E. McKenney wrote:

[nitpick and two part mail ]

>
> diff -urpNa -X dontdiff linux-2.6.22/include/linux/rcuclassic.h linux-2.6.22-a-splitclassic/include/linux/rcuclassic.h
> --- linux-2.6.22/include/linux/rcuclassic.h 1969-12-31 16:00:00.000000000 -0800
> +++ linux-2.6.22-a-splitclassic/include/linux/rcuclassic.h 2007-08-22 14:42:23.000000000 -0700
> @@ -0,0 +1,149 @@

[snip]

> + local_bh_enable(); \
> + } while (0)
> +
> +#define __synchronize_sched() synchronize_rcu()
> +
> +extern void __rcu_init(void);
> +extern void rcu_check_callbacks(int cpu, int user);
> +extern void rcu_restart_cpu(int cpu);
> +extern long rcu_batches_completed(void);
> +extern long rcu_batches_completed_bh(void);
> +

> +#endif /* __KERNEL__ */
> +#endif /* __LINUX_RCUCLASSIC_H */
> diff -urpNa -X dontdiff linux-2.6.22/include/linux/rcupdate.h linux-2.6.22-a-splitclassic/include/linux/rcupdate.h
> --- linux-2.6.22/include/linux/rcupdate.h 2007-07-08 16:32:17.000000000 -0700
> +++ linux-2.6.22-a-splitclassic/include/linux/rcupdate.h 2007-07-19 14:02:36.000000000 -0700

[snip]

> */
> -#define synchronize_sched() synchronize_rcu()
> +#define synchronize_sched() __synchronize_sched()
>
> -extern void rcu_init(void);
> -extern void rcu_check_callbacks(int cpu, int user);
> -extern void rcu_restart_cpu(int cpu);
> -extern long rcu_batches_completed(void);
> -extern long rcu_batches_completed_bh(void);

Why is rcu_batches_completed and rcu_batches_completed_bh moved from
rcupdate.h to rcuclassic.h?

[ continued ...]

-- Steve

-
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