]> git.baikalelectronics.ru Git - kernel.git/commit
Revert "selinux: add a skb_owned_by() hook"
authorEric Dumazet <edumazet@google.com>
Sat, 21 Mar 2015 00:15:19 +0000 (17:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 21 Mar 2015 01:36:53 +0000 (21:36 -0400)
commit0146459c39667d03e35ac9ffd9238b04378c322f
tree42f490bda04e13334233dae5b6039fdd8eae4d2b
parentdc6f2d70dadeca61298f09f15657e75ff20a094b
Revert "selinux: add a skb_owned_by() hook"

This reverts commit 6cd363dfe62fc1917e2bae4e7bdc4dc52efdfe84.

No longer needed after commit 350136a670177e84e8eaa563909305df0e1d29bc
("tcp: tcp_make_synack() should use sock_wmalloc")

When under SYNFLOOD, we build lot of SYNACK and hit false sharing
because of multiple modifications done on sk_listener->sk_wmem_alloc

Since tcp_make_synack() uses sock_wmalloc(), there is no need
to call skb_set_owner_w() again, as this adds two atomic operations.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/security.h
net/ipv4/tcp_output.c
security/capability.c
security/security.c
security/selinux/hooks.c