AuxXxilium/linux_dsm_epyc7002
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a0b8486caf
linux_dsm_epyc7002/net/tipc
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Ying Xue dde2026608 tipc: use node list lock to protect tipc_num_links variable 
Without properly implicit or explicit read memory barrier, it's
unsafe to read an atomic variable with atomic_read() from another
thread which is different with the thread of changing the atomic
variable with atomic_inc() or atomic_dec(). So a stale tipc_num_links
may be got with atomic_read() in tipc_node_get_links(). If the
tipc_num_links variable type is converted from atomic to unsigned
integer and node list lock is used to protect it, the issue would
be avoided.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27 13:08:38 -04:00
..
addr.c tipc: compress out gratuitous extra carriage returns 2012-04-30 15:53:56 -04:00
addr.h tipc: explicitly include core.h in addr.h 2014-02-13 17:49:13 -05:00
bcast.c tipc: make broadcast bearer store in bearer_list array 2014-03-27 13:08:37 -04:00
bcast.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
bearer.c tipc: make broadcast bearer store in bearer_list array 2014-03-27 13:08:37 -04:00
bearer.h tipc: remove active flag from tipc_bearer structure 2014-03-27 13:08:37 -04:00
config.c tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
config.h tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
core.c tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
core.h tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
discover.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
discover.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
eth_media.c tipc: eliminate code duplication in media layer 2013-12-11 00:17:43 -05:00
handler.c tipc: don't log disabled tasklet handler errors 2014-03-06 14:46:24 -05:00
ib_media.c tipc: eliminate code duplication in media layer 2013-12-11 00:17:43 -05:00
Kconfig tipc: add InfiniBand media type 2013-04-17 14:18:33 -04:00
link.c tipc: tipc: convert node list and node hlist to RCU lists 2014-03-27 13:08:37 -04:00
link.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
log.c tipc: remove print_buf and deprecated log buffer code 2012-07-13 19:34:43 -04:00
Makefile tipc: introduce new TIPC server infrastructure 2013-06-17 15:53:00 -07:00
msg.c tipc: remove iovec length parameter from all sending functions 2013-10-18 13:20:42 -04:00
msg.h tipc: message reassembly using fragment chain 2013-11-07 18:30:11 -05:00
name_distr.c tipc: tipc: convert node list and node hlist to RCU lists 2014-03-27 13:08:37 -04:00
name_distr.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
name_table.c tipc: fix memory leak during module removal 2014-03-06 14:46:24 -05:00
name_table.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
net.c tipc: rename node create lock to protect node list and hlist 2014-03-27 13:08:37 -04:00
net.h tipc: change tipc_net_start routine return value type 2012-08-20 02:26:30 -07:00
netlink.c tipc: remove all enabled flags from all tipc components 2014-02-22 00:00:15 -05:00
node_subscr.c tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
node_subscr.h tipc: compress out gratuitous extra carriage returns 2012-04-30 15:53:56 -04:00
node.c tipc: use node list lock to protect tipc_num_links variable 2014-03-27 13:08:38 -04:00
node.h tipc: tipc: convert node list and node hlist to RCU lists 2014-03-27 13:08:37 -04:00
port.c tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
port.h tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
ref.c tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
ref.h tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
server.c tipc: fix connection refcount leak 2014-03-06 14:46:23 -05:00
server.h tipc: remove all enabled flags from all tipc components 2014-02-22 00:00:15 -05:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-03-14 22:31:55 -04:00
socket.h tipc: align usage of variable names and macros in socket 2014-03-12 15:53:49 -04:00
subscr.c tipc: fix spinlock recursion bug for failed subscriptions 2014-03-24 15:36:56 -04:00
subscr.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
sysctl.c tipc: change socket buffer overflow control to respect sk_rcvbuf 2013-06-17 15:53:00 -07:00