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af_unix: Remove U_LOCK_GC_LISTENER.

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Commit 1971d13ffa ("af_unix: Suppress false-positive lockdep splat for
spin_lock() in __unix_gc().") added U_LOCK_GC_LISTENER for the old GC,
but it's no longer needed for the new GC.

Let's remove U_LOCK_GC_LISTENER and unix_state_lock_nested() as there's
no user.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Kuniyuki Iwashima 2024-06-20 13:56:19 -07:00 committed by Paolo Abeni
parent c4da4661d9
commit 7202cb5916
1 changed files with 0 additions and 12 deletions
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12
include/net/af_unix.h
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@ -96,18 +96,6 @@ struct unix_sock {
#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
enum unix_socket_lock_class {
U_LOCK_NORMAL,
U_LOCK_GC_LISTENER, /* used for listening socket while determining gc
* candidates to close a small race window.
*/
};
static inline void unix_state_lock_nested(struct sock *sk,
enum unix_socket_lock_class subclass)
{
spin_lock_nested(&unix_sk(sk)->lock, subclass);
}
#define peer_wait peer_wq.wait