linux-stable/net/tipc
Jon Paul Maloy 9073fb8be3 tipc: use temporary, non-protected skb queue for bundle reception
Currently, when we extract small messages from a message bundle, or
when many messages have accumulated in the link arrival queue, those
messages are added one by one to the lock protected link input queue.
This may increase contention with the reader of that queue, in
the function tipc_sk_rcv().

This commit introduces a temporary, unprotected input queue in
tipc_link_rcv() for such cases. Only when the arrival queue has been
emptied, and the function is ready to return, does it splice the whole
temporary queue into the real input queue.

Tested-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30 17:25:15 -07:00
..
addr.c tipc: simplify include dependencies 2015-05-14 12:24:45 -04:00
addr.h tipc: simplify include dependencies 2015-05-14 12:24:45 -04:00
bcast.c tipc: reduce locking scope during packet reception 2015-07-20 20:41:16 -07:00
bcast.h tipc: reduce locking scope during packet reception 2015-07-20 20:41:16 -07:00
bearer.c tipc: move all link_reset() calls to link aggregation level 2015-07-30 17:25:13 -07:00
bearer.h tipc: make media xmit call outside node spinlock context 2015-07-20 20:41:15 -07:00
core.c tipc: rename functions defined in subscr.c 2015-05-04 15:04:00 -04:00
core.h tipc: reduce locking scope during packet reception 2015-07-20 20:41:16 -07:00
discover.c tipc: move received discovery data evaluation inside node.c 2015-07-30 17:25:14 -07:00
discover.h tipc: involve namespace infrastructure 2015-01-12 16:24:32 -05:00
eth_media.c tipc: make media address offset a common define 2015-02-27 18:18:48 -05:00
ib_media.c tipc: rename media/msg related definitions 2015-02-27 18:18:48 -05:00
Kconfig tipc: add ip/udp media type 2015-03-05 22:08:42 -05:00
link.c tipc: use temporary, non-protected skb queue for bundle reception 2015-07-30 17:25:15 -07:00
link.h tipc: merge link->exec_mode and link->state into one FSM 2015-07-30 17:25:14 -07:00
Makefile tipc: add ip/udp media type 2015-03-05 22:08:42 -05:00
msg.c tipc: clean up socket layer message reception 2015-07-26 16:31:50 -07:00
msg.h tipc: remove implicit message delivery in node_unlock() 2015-07-30 17:25:14 -07:00
name_distr.c tipc: make media xmit call outside node spinlock context 2015-07-20 20:41:15 -07:00
name_distr.h tipc: resolve race problem at unicast message reception 2015-02-05 16:00:02 -08:00
name_table.c tipc: rename functions defined in subscr.c 2015-05-04 15:04:00 -04:00
name_table.h tipc: convert legacy nl name table dump to nl compat 2015-02-09 13:20:48 -08:00
net.c tipc: simplify include dependencies 2015-05-14 12:24:45 -04:00
net.h tipc: make tipc node table aware of net namespace 2015-01-12 16:24:32 -05:00
netlink.c tipc: move and rename the legacy nl api to "nl compat" 2015-02-09 13:20:47 -08:00
netlink.h tipc: move and rename the legacy nl api to "nl compat" 2015-02-09 13:20:47 -08:00
netlink_compat.c tipc: send explicit not supported error in nl compat 2015-05-09 16:40:03 -04:00
node.c tipc: remove implicit message delivery in node_unlock() 2015-07-30 17:25:14 -07:00
node.h tipc: remove implicit message delivery in node_unlock() 2015-07-30 17:25:14 -07:00
server.c tipc: use sock_create_kern interface to create kernel socket 2015-05-14 13:39:33 -04:00
server.h tipc: make subscriber server support net namespace 2015-01-12 16:24:33 -05:00
socket.c tipc: clean up socket layer message reception 2015-07-26 16:31:50 -07:00
socket.h tipc: clean up socket layer message reception 2015-07-26 16:31:50 -07:00
subscr.c tipc: adjust locking policy of subscription 2015-05-04 15:04:01 -04:00
subscr.h tipc: rename functions defined in subscr.c 2015-05-04 15:04:00 -04:00
sysctl.c tipc: add name distributor resiliency queue 2014-09-01 17:51:48 -07:00
udp_media.c udp_tunnel: Pass UDP socket down through udp_tunnel{, 6}_xmit_skb(). 2015-04-07 15:29:08 -04:00