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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next

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Steffen Klassert says:

====================
ipsec-next 2016-09-08

1) Constify the xfrm_replay structures. From Julia Lawall

2) Protect xfrm state hash tables with rcu, lookups
   can be done now without acquiring xfrm_state_lock.
   From Florian Westphal.

3) Protect xfrm policy hash tables with rcu, lookups
   can be done now without acquiring xfrm_policy_lock.
   From Florian Westphal.

4) We don't need to have a garbage collector list per
   namespace anymore, so use a global one instead.
   From Florian Westphal.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2016-09-08 13:09:41 -07:00
parent 0f76d25644 35db57bbc4
commit 575f9c43e7
5 changed files with 173 additions and 113 deletions
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12
include/net/netns/xfrm.h
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@@ -11,7 +11,7 @@
struct ctl_table_header;
struct xfrm_policy_hash {
struct hlist_head *table;
struct hlist_head __rcu *table;
unsigned int hmask;
u8 dbits4;
u8 sbits4;
@@ -38,14 +38,12 @@ struct netns_xfrm {
* mode. Also, it can be used by ah/esp icmp error handler to find
* offending SA.
*/
struct hlist_head *state_bydst;
struct hlist_head *state_bysrc;
struct hlist_head *state_byspi;
struct hlist_head __rcu *state_bydst;
struct hlist_head __rcu *state_bysrc;
struct hlist_head __rcu *state_byspi;
unsigned int state_hmask;
unsigned int state_num;
struct work_struct state_hash_work;
struct hlist_head state_gc_list;
struct work_struct state_gc_work;
struct list_head policy_all;
struct hlist_head *policy_byidx;
@@ -73,7 +71,7 @@ struct netns_xfrm {
struct dst_ops xfrm6_dst_ops;
#endif
spinlock_t xfrm_state_lock;
rwlock_t xfrm_policy_lock;
spinlock_t xfrm_policy_lock;
struct mutex xfrm_cfg_mutex;
/* flow cache part */