rcu/sync: Kill rcu_sync_type/gp_type

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Now that the RCU flavors have been consolidated, rcu_sync_type makes no
sense because none of internal update functions aside from .held() depend
on gp_type.  This commit therefore removes this field and consolidates
the relevant code.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
[ paulmck: Added RCU and RCU-bh checks to rcu_sync_is_idle(). ]
[ paulmck: And applied subsequent feedback from Oleg Nesterov. ]
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

...

This commit is contained in:

Oleg Nesterov 2019-04-23 14:07:24 +02:00 • committed by Paul E. McKenney

parent a188339ca5

commit 95bf33b55f

4 changed files with 17 additions and 78 deletions

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2

include/linux/percpu-rwsem.h

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36

include/linux/rcu_sync.h

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2

kernel/locking/percpu-rwsem.c

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55

kernel/rcu/sync.c

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