diff options
| author | Paul E. McKenney <paul.mckenney@linaro.org> | 2012-01-06 16:59:51 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-02-21 09:03:27 -0800 |
| commit | bc399d6e6ed8615007110f5e438886ffd236760e (patch) | |
| tree | f1ed750763453e0dfbe80b4d40b09338559aeb4e | |
| parent | 5c8806a037ad4f53259146060b32600566475e29 (diff) | |
| download | lwn-bc399d6e6ed8615007110f5e438886ffd236760e.tar.gz lwn-bc399d6e6ed8615007110f5e438886ffd236760e.zip | |
s390: Convert call_rcu() to kfree_rcu(), drop ext_int_hash_update()
The call_rcu() in unregister_external_interrupt() invokes
ext_int_hash_update(), which just does a kfree(). Convert the
call_rcu() to kfree_rcu(), allowing ext_int_hash_update() to
be eliminated.
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
| -rw-r--r-- | arch/s390/kernel/irq.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index b9a7fdd9c814..e30b2dfa8ba0 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -165,13 +165,6 @@ static inline int ext_hash(u16 code) return (code + (code >> 9)) & 0xff; } -static void ext_int_hash_update(struct rcu_head *head) -{ - struct ext_int_info *p = container_of(head, struct ext_int_info, rcu); - - kfree(p); -} - int register_external_interrupt(u16 code, ext_int_handler_t handler) { struct ext_int_info *p; @@ -202,7 +195,7 @@ int unregister_external_interrupt(u16 code, ext_int_handler_t handler) list_for_each_entry_rcu(p, &ext_int_hash[index], entry) if (p->code == code && p->handler == handler) { list_del_rcu(&p->entry); - call_rcu(&p->rcu, ext_int_hash_update); + kfree_rcu(p, rcu); } spin_unlock_irqrestore(&ext_int_hash_lock, flags); return 0; |