diff options
| author | David Howells <dhowells@redhat.com> | 2024-12-04 07:47:01 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-12-09 13:48:31 -0800 |
| commit | a2ea9a9072607c2fd6442bd1ffb4dbdbf882aed7 (patch) | |
| tree | 06b5cb2f466316d1479762cd903a7e2a055c8c10 /net/rxrpc/peer_event.c | |
| parent | 08d55d7cf3f33c730ce2694393efe16b7983a9c8 (diff) | |
rxrpc: Use irq-disabling spinlocks between app and I/O thread
Where a spinlock is used by both the application thread and the I/O thread,
use irq-disabling locking so that an interrupt taken on the app thread
doesn't also slow down the I/O thread.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/rxrpc/peer_event.c')
| -rw-r--r-- | net/rxrpc/peer_event.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c index ff30e0c05507..d82e44a3901b 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -213,23 +213,23 @@ static void rxrpc_distribute_error(struct rxrpc_peer *peer, struct sk_buff *skb, struct rxrpc_call *call; HLIST_HEAD(error_targets); - spin_lock(&peer->lock); + spin_lock_irq(&peer->lock); hlist_move_list(&peer->error_targets, &error_targets); while (!hlist_empty(&error_targets)) { call = hlist_entry(error_targets.first, struct rxrpc_call, error_link); hlist_del_init(&call->error_link); - spin_unlock(&peer->lock); + spin_unlock_irq(&peer->lock); rxrpc_see_call(call, rxrpc_call_see_distribute_error); rxrpc_set_call_completion(call, compl, 0, -err); rxrpc_input_call_event(call); - spin_lock(&peer->lock); + spin_lock_irq(&peer->lock); } - spin_unlock(&peer->lock); + spin_unlock_irq(&peer->lock); } /* |