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(parent: f47b5ac) | patch
tuntap: tweak on the path of skb XDP case in tun_build_skb()
authorJason Wang <jasowang@redhat.com>
Wed, 12 Sep 2018 03:17:03 +0000 (11:17 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 13 Sep 2018 16:25:40 +0000 (09:25 -0700)
commita9b724e3a384ab777c559819a3947f18f93f2abe
tree2c4820e906b8f4ea4de60d99046172e3d1f6a702tree | snapshot
parentf47b5ac690156f76029f196edef1c50fdb3ed790commit | diff
tuntap: tweak on the path of skb XDP case in tun_build_skb()

If we're sure not to go native XDP, there's no need for several things
like bh and rcu stuffs. So this patch introduces a helper to build skb
and hold page refcnt. When we found we will go through skb path, build
skb directly.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/tun.c diff | blob | history
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