diff options
| author | David Howells <dhowells@redhat.com> | 2022-10-10 10:55:24 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-12-01 13:36:40 +0000 |
| commit | 446b3e14525b477e441a6bb8ce56cea12512acc2 (patch) | |
| tree | 50f27ca4bd24f79c2988009ad3c0c0a59835e21a /net/rxrpc/call_event.c | |
| parent | a275da62e8c111b897b9cb73eb91df2f4e475ca5 (diff) | |
rxrpc: Move packet reception processing into I/O thread
Split the packet input handler to make the softirq side just dump the
received packet into the local endpoint receive queue and then call the
remainder of the input function from 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
Diffstat (limited to 'net/rxrpc/call_event.c')
| -rw-r--r-- | net/rxrpc/call_event.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index 049b92b1c040..3925b55e2064 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -83,7 +83,7 @@ void rxrpc_send_ACK(struct rxrpc_call *call, u8 ack_reason, rxrpc_inc_stat(call->rxnet, stat_tx_acks[ack_reason]); txb = rxrpc_alloc_txbuf(call, RXRPC_PACKET_TYPE_ACK, - in_softirq() ? GFP_ATOMIC | __GFP_NOWARN : GFP_NOFS); + rcu_read_lock_held() ? GFP_ATOMIC | __GFP_NOWARN : GFP_NOFS); if (!txb) { kleave(" = -ENOMEM"); return; @@ -111,7 +111,7 @@ void rxrpc_send_ACK(struct rxrpc_call *call, u8 ack_reason, spin_unlock_bh(&local->ack_tx_lock); trace_rxrpc_send_ack(call, why, ack_reason, serial); - if (in_task()) { + if (!rcu_read_lock_held()) { rxrpc_transmit_ack_packets(call->peer->local); } else { rxrpc_get_local(local, rxrpc_local_get_queue); |