From: Alexei Starovoitov <ast@plumgrid.com>
To: Eric Dumazet <edumazet@google.com>,
"David S. Miller" <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>,
Jamal Hadi Salim <jhs@mojatatu.com>,
John Fastabend <john.fastabend@gmail.com>,
Eric Dumazet <edumazet@gmail.com>
Subject: Re: [PATCH net-next 3/6] net_sched: act: make tcfg_pval non zero
Date: Thu, 02 Jul 2015 09:58:33 -0700 [thread overview]
Message-ID: <55956DB9.60101@plumgrid.com> (raw)
In-Reply-To: <1435842455-30501-4-git-send-email-edumazet@google.com>
On 7/2/15 6:07 AM, Eric Dumazet wrote:
> First step for gact RCU operation :
>
> Instead of testing if tcfg_pval is zero or not, just make it 1.
>
> No change in behavior, but slightly faster code.
>
> Signed-off-by: Eric Dumazet<edumazet@google.com>
Nice trick!
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
next prev parent reply other threads:[~2015-07-02 16:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-02 13:07 [PATCH net-next 0/6] net_sched: act: lockless operation Eric Dumazet
2015-07-02 13:07 ` [PATCH net-next 1/6] net: sched: extend percpu stats helpers Eric Dumazet
2015-07-02 15:19 ` John Fastabend
2015-07-03 10:44 ` Jamal Hadi Salim
2015-07-02 13:07 ` [PATCH net-next 2/6] net: sched: add percpu stats to actions Eric Dumazet
2015-07-02 15:31 ` John Fastabend
2015-07-03 10:48 ` Jamal Hadi Salim
2015-07-02 13:07 ` [PATCH net-next 3/6] net_sched: act: make tcfg_pval non zero Eric Dumazet
2015-07-02 15:33 ` John Fastabend
2015-07-02 16:58 ` Alexei Starovoitov [this message]
2015-07-03 10:49 ` Jamal Hadi Salim
2015-07-04 7:18 ` Eric Dumazet
2015-07-02 13:07 ` [PATCH net-next 4/6] net_sched: act: use a separate packet counters for gact_determ() Eric Dumazet
2015-07-02 15:44 ` John Fastabend
2015-07-03 10:50 ` Jamal Hadi Salim
2015-07-02 13:07 ` [PATCH net-next 5/6] net_sched: act: read tcfg_ptype once Eric Dumazet
2015-07-02 15:47 ` John Fastabend
2015-07-03 10:57 ` Jamal Hadi Salim
2015-07-02 13:07 ` [PATCH net-next 6/6] net_sched: act: remove spinlock in fast path Eric Dumazet
2015-07-02 16:35 ` John Fastabend
2015-07-02 20:59 ` Eric Dumazet
2015-07-03 11:25 ` Jamal Hadi Salim
2015-07-03 12:08 ` Eric Dumazet
2015-07-03 17:21 ` John Fastabend
2015-07-02 17:13 ` Alexei Starovoitov
2015-07-03 11:07 ` Jamal Hadi Salim
2015-07-04 5:45 ` Eric Dumazet
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