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(parent: df68f84) | patch
net/sched: act_skbedit: don't use spinlock in the data path
authorDavide Caratti <dcaratti@redhat.com>
Wed, 11 Jul 2018 14:04:50 +0000 (16:04 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 12 Jul 2018 21:54:12 +0000 (14:54 -0700)
commita6b48c111bfa7e8c3f5286d985d62d3668e6ba92
tree29ecf38f5595632596fd00c7f8b47c52e176aed6tree | snapshot
parentdf68f84878c4d5109f5733532c1873ac631c4b05commit | diff
net/sched: act_skbedit: don't use spinlock in the data path

use RCU instead of spin_{,un}lock_bh, to protect concurrent read/write on
act_skbedit configuration. This reduces the effects of contention in the
data path, in case multiple readers are present.

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/tc_act/tc_skbedit.h diff | blob | history
net/sched/act_skbedit.c diff | blob | history
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