net/sched: act_csum: don't use spinlock in the fast path

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use RCU instead of spin_{,unlock}_bh() to protect concurrent read/write on
act_csum configuration, to reduce the effects of contention in the data
path when multiple readers are present.

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Davide Caratti 2018-01-22 18:14:32 +01:00 • committed by David S. Miller

parent f6052cf2fc

commit 9c5f69bbd7

2 changed files with 59 additions and 15 deletions

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16

include/net/tc_act/tc_csum.h

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58

net/sched/act_csum.c

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