linux-kernel - Re: [PATCH net-next 2/2] net sched act_vlan: VLAN action rewrite to use RCU lock/unlock and update

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Message-ID: <85746b06-ef33-d6f1-b831-8bbaee5b1b26@mojatatu.com>
Date:   Wed, 11 Oct 2017 08:28:24 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Manish Kurup <kurup.manish@...il.com>, xiyou.wangcong@...il.com,
        jiri@...nulli.us, davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     aring@...atatu.com, mrv@...atatu.com, manish.kurup@...izon.com
Subject: Re: [PATCH net-next 2/2] net sched act_vlan: VLAN action rewrite to
 use RCU lock/unlock and update

On 17-10-10 10:33 PM, Manish Kurup wrote:
> Using a spinlock in the VLAN action causes performance issues when the VLAN
> action is used on multiple cores. Rewrote the VLAN action to use RCU read
> locking for reads and updates instead.
> 
> Signed-off-by: Manish Kurup <manish.kurup@...izon.com>

Acked-by: Jamal Hadi Salim <jhs@...atatu.com>

cheers,
jamal