linux-kernel - Re: [PATCH 11/14] net: core: add new/replace rate estimator lock parameter

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Message-ID: <20180516095416.GH1972@nanopsycho>
Date:   Wed, 16 May 2018 11:54:16 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, jhs@...atatu.com,
        xiyou.wangcong@...il.com, pablo@...filter.org,
        kadlec@...ckhole.kfki.hu, fw@...len.de, ast@...nel.org,
        daniel@...earbox.net, edumazet@...gle.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, kliteyn@...lanox.com
Subject: Re: [PATCH 11/14] net: core: add new/replace rate estimator lock
 parameter

Mon, May 14, 2018 at 04:27:12PM CEST, vladbu@...lanox.com wrote:
>Extend rate estimator new and replace APIs with additional spinlock
>parameter used by lockless actions to protect rate_est pointer from
>concurrent modification.
>
>Signed-off-by: Vlad Buslov <vladbu@...lanox.com>

[...]


> /**
>  * gen_new_estimator - create a new rate estimator
>  * @bstats: basic statistics
>  * @cpu_bstats: bstats per cpu
>  * @rate_est: rate estimator statistics
>+ * @rate_est_lock: rate_est lock (might be NULL)

I cannot find a place you actually use this new arg in this patchset.
Did I miss it?


>  * @stats_lock: statistics lock
>  * @running: qdisc running seqcount
>  * @opt: rate estimator configuration TLV

[...]