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| author | David S. Miller <davem@davemloft.net> | 2018-10-12 21:38:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-12 21:38:46 -0700 |
| commit | d864991b220b7c62e81d21209e1fd978fd67352c (patch) | |
| tree | b570a1ad6fc1b959c5bcda6ceca0b321319c01e0 /net/rxrpc/peer_event.c | |
| parent | a688c53a0277d8ea21d86a5c56884892e3442c5e (diff) | |
| parent | bab5c80b211035739997ebd361a679fa85b39465 (diff) | |
| download | linux-d864991b220b7c62e81d21209e1fd978fd67352c.tar.gz linux-d864991b220b7c62e81d21209e1fd978fd67352c.tar.bz2 linux-d864991b220b7c62e81d21209e1fd978fd67352c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were easy to resolve using immediate context mostly,
except the cls_u32.c one where I simply too the entire HEAD
chunk.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rxrpc/peer_event.c')
| -rw-r--r-- | net/rxrpc/peer_event.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c index 81a7869325a6..7feb611c7258 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -303,6 +303,8 @@ void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why, if (rtt < 0) return; + spin_lock(&peer->rtt_input_lock); + /* Replace the oldest datum in the RTT buffer */ sum -= peer->rtt_cache[cursor]; sum += rtt; @@ -314,6 +316,8 @@ void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why, peer->rtt_usage = usage; } + spin_unlock(&peer->rtt_input_lock); + /* Now recalculate the average */ if (usage == RXRPC_RTT_CACHE_SIZE) { avg = sum / RXRPC_RTT_CACHE_SIZE; @@ -322,6 +326,7 @@ void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why, do_div(avg, usage); } + /* Don't need to update this under lock */ peer->rtt = avg; trace_rxrpc_rtt_rx(call, why, send_serial, resp_serial, rtt, usage, avg); |