rcu: fix sparse errors in rcutorture.c
Add the sparse __rcu address-space identifier and make a couple of variables static. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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@ -120,7 +120,7 @@ struct rcu_torture {
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};
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static LIST_HEAD(rcu_torture_freelist);
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static struct rcu_torture *rcu_torture_current;
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static struct rcu_torture __rcu *rcu_torture_current;
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static long rcu_torture_current_version;
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static struct rcu_torture rcu_tortures[10 * RCU_TORTURE_PIPE_LEN];
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static DEFINE_SPINLOCK(rcu_torture_lock);
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@ -153,8 +153,10 @@ int rcutorture_runnable = RCUTORTURE_RUNNABLE_INIT;
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#define FULLSTOP_SHUTDOWN 1 /* System shutdown with rcutorture running. */
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#define FULLSTOP_RMMOD 2 /* Normal rmmod of rcutorture. */
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static int fullstop = FULLSTOP_RMMOD;
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DEFINE_MUTEX(fullstop_mutex); /* Protect fullstop transitions and spawning */
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/* of kthreads. */
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/*
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* Protect fullstop transitions and spawning of kthreads.
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*/
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static DEFINE_MUTEX(fullstop_mutex);
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/*
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* Detect and respond to a system shutdown.
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@ -737,7 +739,8 @@ rcu_torture_writer(void *arg)
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continue;
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rp->rtort_pipe_count = 0;
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udelay(rcu_random(&rand) & 0x3ff);
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old_rp = rcu_torture_current;
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old_rp = rcu_dereference_check(rcu_torture_current,
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current == writer_task);
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rp->rtort_mbtest = 1;
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rcu_assign_pointer(rcu_torture_current, rp);
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smp_wmb(); /* Mods to old_rp must follow rcu_assign_pointer() */
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