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Denis V. Lunev cd40b7d398 [NET]: make netlink user -> kernel interface synchronious ... This patch make processing netlink user -> kernel messages synchronious. This change was inspired by the talk with Alexey Kuznetsov about current netlink messages processing. He says that he was badly wrong when introduced asynchronious user -> kernel communication. The call netlink_unicast is the only path to send message to the kernel netlink socket. But, unfortunately, it is also used to send data to the user. Before this change the user message has been attached to the socket queue and sk->sk_data_ready was called. The process has been blocked until all pending messages were processed. The bad thing is that this processing may occur in the arbitrary process context. This patch changes nlk->data_ready callback to get 1 skb and force packet processing right in the netlink_unicast. Kernel -> user path in netlink_unicast remains untouched. EINTR processing for in netlink_run_queue was changed. It forces rtnl_lock drop, but the process remains in the cycle until the message will be fully processed. So, there is no need to use this kludges now. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>		18 years ago
..
Makefile	[NET]: Fix running without sysfs	18 years ago
datagram.c	[NET]: Do not dereference iov if length is zero	18 years ago
dev.c	[NET]: Remove double dev->flags checking when calling dev_close()	18 years ago
dev_mcast.c	[NETNS]: Move some code into __init section when CONFIG_NET_NS=n	18 years ago
dst.c	[NET]: Make the loopback device per network namespace.	18 years ago
ethtool.c	[ETHTOOL] Provide default behaviors for a few ethtool sub-ioctls	18 years ago
fib_rules.c	[IPV4/IPV6/DECNET]: Small cleanup for fib rules.	18 years ago
filter.c	…
flow.c	mm: Remove slab destructors from kmem_cache_create().	18 years ago
gen_estimator.c	[NET]: gen_estimator deadlock fix	18 years ago
gen_stats.c	…
iovec.c	…
kmap_skb.h	…
link_watch.c	…
neighbour.c	[NET]: Move hardware header operations out of netdevice.	18 years ago
net-sysfs.c	[NET]: Fix running without sysfs	18 years ago
net_namespace.c	[NETNS]: Don't memset() netns to zero manually	18 years ago
netevent.c	…
netpoll.c	[NET]: Wrap netdevice hardware header creation.	18 years ago
pktgen.c	[NET]: sparse warning fixes	18 years ago
request_sock.c	…
rtnetlink.c	[NET]: make netlink user -> kernel interface synchronious	18 years ago
scm.c	[NET]: sparse warning fixes	18 years ago
skbuff.c	[SKBUFF]: Fix up csum_start when head room changes	18 years ago
sock.c	[NET]: Make the device list and device lookups per namespace.	18 years ago
stream.c	…
sysctl_net_core.c	…
user_dma.c	…
utils.c	[NET] net/core/utils: fix sparse warning	18 years ago