netdev - Re: [PATCH] tcp: ipv4: Pass lockdep expression to RCU lists

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Message-Id: <20200224.130721.1089012217070055572.davem@davemloft.net>
Date:   Mon, 24 Feb 2020 13:07:21 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     frextrite@...il.com
Cc:     edumazet@...gle.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        joel@...lfernandes.org, madhuparnabhowmik10@...il.com,
        paulmck@...nel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] tcp: ipv4: Pass lockdep expression to RCU lists

From: Amol Grover <frextrite@...il.com>
Date: Fri, 21 Feb 2020 23:27:14 +0530

> md5sig->head maybe traversed using hlist_for_each_entry_rcu
> outside an RCU read-side critical section but under the protection
> of socket lock.
> 
> Hence, add corresponding lockdep expression to silence false-positive
> warnings, and harden RCU lists.
> 
> Signed-off-by: Amol Grover <frextrite@...il.com>

Applied.