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sched: Better name for for_each_domain_rd

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As suggested by Peter Ziljstra, make better choice of name
for for_each_domain_rd(), containing "rcu_dereference", given
that it is but a wrapper for rcu_dereference_check().  The name
rcu_dereference_check_sched_domain() does that and provides a
separate per-subsystem name space.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: [email protected]
Cc: [email protected]
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Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
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LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Paul E. McKenney 2010-02-22 17:04:51 -08:00 • committed by Ingo Molnar
commit 497f0ab39c
1 changed files with 2 additions and 2 deletions
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4
kernel/sched.c
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@ -645,7 +645,7 @@ static inline int cpu_of(struct rq *rq)
#endif
}
#define for_each_domain_rd(p) \
#define rcu_dereference_check_sched_domain(p) \
rcu_dereference_check((p), \
rcu_read_lock_sched_held() || \
lockdep_is_held(&sched_domains_mutex))
@ -658,7 +658,7 @@ static inline int cpu_of(struct rq *rq)
* preempt-disabled sections.
*/
#define for_each_domain(cpu, __sd) \
for (__sd = for_each_domain_rd(cpu_rq(cpu)->sd); __sd; __sd = __sd->parent)
for (__sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); __sd; __sd = __sd->parent)
#define cpu_rq(cpu) (&per_cpu(runqueues, (cpu)))
#define this_rq() (&__get_cpu_var(runqueues))