netdev - Re: [PATCH net-next v3 02/16] net: sched: refactor tc_ctl

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Message-ID: <20190204162104.GB11362@nanopsycho>
Date:   Mon, 4 Feb 2019 17:21:04 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        davem@...emloft.net, ast@...nel.org, daniel@...earbox.net
Subject: Re: [PATCH net-next v3 02/16] net: sched: refactor tc_ctl_chain() to
 use block->lock

Mon, Feb 04, 2019 at 01:32:47PM CET, vladbu@...lanox.com wrote:
>In order to remove dependency on rtnl lock, modify chain API to use
>block->lock to protect chain from concurrent modification. Rearrange
>tc_ctl_chain() code to call tcf_chain_hold() while holding block->lock to
>prevent concurrent chain removal.
>
>Signed-off-by: Vlad Buslov <vladbu@...lanox.com>

Acked-by: Jiri Pirko <jiri@...lanox.com>