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    SubjectRe: [PATCH RFC 3/9] RCU: Preemptible RCU
    [ continued here from comment on patch 1]

    On Mon, Sep 10, 2007 at 11:34:12AM -0700, Paul E. McKenney wrote:
    > /* softirq mask and active fields moved to irq_cpustat_t in
    > diff -urpNa -X dontdiff linux-2.6.22-b-fixbarriers/include/linux/rcuclassic.h linux-2.6.22-c-preemptrcu/include/linux/rcuclassic.h
    > --- linux-2.6.22-b-fixbarriers/include/linux/rcuclassic.h 2007-08-22 14:42:23.000000000 -0700
    > +++ linux-2.6.22-c-preemptrcu/include/linux/rcuclassic.h 2007-08-22 15:21:06.000000000 -0700
    > @@ -142,8 +142,6 @@ extern int rcu_needs_cpu(int cpu);
    > 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-b-fixbarriers/include/linux/rcupdate.h linux-2.6.22-c-preemptrcu/include/linux/rcupdate.h
    > --- linux-2.6.22-b-fixbarriers/include/linux/rcupdate.h 2007-07-19 14:02:36.000000000 -0700
    > +++ linux-2.6.22-c-preemptrcu/include/linux/rcupdate.h 2007-08-22 15:21:06.000000000 -0700
    > @@ -52,7 +52,11 @@ struct rcu_head {
    > void (*func)(struct rcu_head *head);
    > };
    >
    > +#ifdef CONFIG_CLASSIC_RCU
    > #include <linux/rcuclassic.h>
    > +#else /* #ifdef CONFIG_CLASSIC_RCU */
    > +#include <linux/rcupreempt.h>
    > +#endif /* #else #ifdef CONFIG_CLASSIC_RCU */
    >
    > #define RCU_HEAD_INIT { .next = NULL, .func = NULL }
    > #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT
    > @@ -218,10 +222,13 @@ extern void FASTCALL(call_rcu_bh(struct
    > /* Exported common interfaces */
    > extern void synchronize_rcu(void);
    > extern void rcu_barrier(void);
    > +extern long rcu_batches_completed(void);
    > +extern long rcu_batches_completed_bh(void);
    >

    And here we put back rcu_batches_completed and rcu_batches_completed_bh
    from rcuclassic.h to rcupdate.h ;-)

    -- Steve

    -
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