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/sendmsg.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/sendmsg.c')
| -rw-r--r-- | net/rxrpc/sendmsg.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 381b25597f4e..df501a7c92fa 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -261,7 +261,6 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, trace_rxrpc_tq(call, sq, seq, rxrpc_tq_queue); /* Add the packet to the call's output buffer */ - spin_lock(&call->tx_lock); poke = (READ_ONCE(call->tx_bottom) == call->send_top); sq->bufs[ix] = txb; /* Order send_top after the queue->next pointer and txb content. */ @@ -270,7 +269,6 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, rxrpc_notify_end_tx(rx, call, notify_end_tx); call->send_queue = NULL; } - spin_unlock(&call->tx_lock); if (poke) rxrpc_poke_call(call, rxrpc_call_poke_start); |