linux/net/netlink
Thomas Graf 78fd1d0ab0 netlink: Re-add locking to netlink_lookup() and seq walker
The synchronize_rcu() in netlink_release() introduces unacceptable
latency. Reintroduce minimal lookup so we can drop the
synchronize_rcu() until socket destruction has been RCUfied.

Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: Steinar H. Gunderson <sgunderson@bigfoot.com>
Reported-and-tested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-21 21:34:49 -04:00
..
af_netlink.c netlink: Re-add locking to netlink_lookup() and seq walker 2014-10-21 21:34:49 -04:00
af_netlink.h netlink: hold nl_sock_hash_lock during diag dump 2014-08-06 19:17:44 -07:00
diag.c netlink: hold nl_sock_hash_lock during diag dump 2014-08-06 19:17:44 -07:00
genetlink.c genetlink: remove superfluous assignment 2014-06-02 10:36:18 -07:00
Kconfig netlink: kconfig: move mmap i/o into netlink kconfig 2013-05-01 15:02:42 -04:00
Makefile netlink: Diag core and basic socket info dumping (v2) 2013-03-21 12:38:03 -04:00