AcoSail/kernel_optimize_test
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0e42c72195
kernel_optimize_test/net/tipc
History
Ying Xue 7efea60dcf tipc: adjust the policy of holding subscription kref 
When a new subscription object is inserted into name_seq->subscriptions
list, it's under name_seq->lock protection; when a subscription is
deleted from the list, it's also under the same lock protection;
similarly, when accessing a subscription by going through subscriptions
list, the entire process is also protected by the name_seq->lock.

Therefore, if subscription refcount is increased before it's inserted
into subscriptions list, and its refcount is decreased after it's
deleted from the list, it will be unnecessary to hold refcount at all
before accessing subscription object which is obtained by going through
subscriptions list under name_seq->lock protection.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 18:03:33 -07:00
..
addr.c tipc: simplify include dependencies 2015-05-14 12:24:45 -04:00
addr.h tipc: introduce constants for tipc address validation 2016-07-26 14:26:42 -07:00
bcast.c tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
bcast.h tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
bearer.c tipc: add function for checking broadcast support in bearer 2017-01-20 12:10:15 -05:00
bearer.h tipc: add function for checking broadcast support in bearer 2017-01-20 12:10:15 -05:00
core.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
core.h netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
discover.c tipc: allocate user memory with GFP_KERNEL flag 2017-01-16 13:31:53 -05:00
discover.h tipc: eliminate buffer leak in bearer layer 2016-04-07 17:00:13 -04:00
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: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
link.h tipc: transfer broadcast nacks in link state messages 2016-09-02 17:10:24 -07:00
Makefile tipc: add neighbor monitoring framework 2016-06-15 14:06:28 -07:00
monitor.c tipc: improve sanity check for received domain records 2016-11-25 20:06:18 -05:00
monitor.h tipc: dump monitor attributes 2016-07-26 14:26:42 -07:00
msg.c tipc: introduce replicast as transport option for multicast 2017-01-20 12:10:17 -05:00
msg.h tipc: introduce replicast as transport option for multicast 2017-01-20 12:10:17 -05:00
name_distr.c tipc: allocate user memory with GFP_KERNEL flag 2017-01-16 13:31:53 -05:00
name_distr.h tipc: reduce code dependency between binding table and node layer 2015-11-20 14:06:10 -05:00
name_table.c tipc: adjust the policy of holding subscription kref 2017-03-28 18:03:33 -07:00
name_table.h tipc: add functionality to lookup multicast destination nodes 2017-01-20 12:10:16 -05:00
net.c tipc: Fix tipc_sk_reinit race conditions 2017-02-17 12:28:35 -05:00
net.h tipc: add peer removal functionality 2016-08-18 23:36:07 -07:00
netlink_compat.c genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
netlink.c genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
netlink.h tipc: make cluster size threshold for monitoring configurable 2016-07-26 14:26:42 -07:00
node.c tipc: move premature initilalization of stack variables 2017-02-24 11:42:54 -05:00
node.h tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
server.c tipc: fix cleanup at module unload 2017-01-24 16:14:58 -05:00
server.h tipc: fix a race condition leading to subscriber refcnt bug 2016-04-14 16:46:46 -04:00
socket.c net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
socket.h tipc: redesign connection-level flow control 2016-05-03 15:51:16 -04:00
subscr.c tipc: adjust the policy of holding subscription kref 2017-03-28 18:03:33 -07:00
subscr.h tipc: adjust the policy of holding subscription kref 2017-03-28 18:03:33 -07:00
sysctl.c
udp_media.c tipc: add function for checking broadcast support in bearer 2017-01-20 12:10:15 -05:00
udp_media.h tipc: add UDP remoteip dump to netlink API 2016-08-26 21:38:41 -07:00