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s390/mm: Convert tlb_table_flush() to use call_rcu() 

Now that call_rcu()'s callback is not invoked until after all
preempt-disable regions of code have completed (in addition to explicitly
marked RCU read-side critical sections), call_rcu() can be used in place
of call_rcu_sched().  This commit therefore makes that change.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: <linux-s390@vger.kernel.org>
This commit is contained in:
Paul E. McKenney 2018-10-30 16:30:07 -07:00
parent 8fa9eb388e
commit 0d4e68e2f3
1 changed files with 1 additions and 1 deletions
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2
arch/s390/mm/pgalloc.c
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@ -350,7 +350,7 @@ void tlb_table_flush(struct mmu_gather *tlb)
struct mmu_table_batch **batch = &tlb->batch;
if (*batch) {
call_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);
call_rcu(&(*batch)->rcu, tlb_remove_table_rcu);
*batch = NULL;
}
}