netdev - Re: [PATCH v2 net-next] mld: change lockdep annotation for ip6_sf_socklist and ipv6_mc

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Date:   Mon, 05 Apr 2021 20:00:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Taehee Yoo <ap420073@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        edumazet@...gle.com, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        jmaloy@...hat.com, ying.xue@...driver.com,
        tipc-discussion@...ts.sourceforge.net
Subject: Re: [PATCH v2 net-next] mld: change lockdep annotation for
 ip6_sf_socklist and ipv6_mc_socklist

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Sun,  4 Apr 2021 13:38:23 +0000 you wrote:
> struct ip6_sf_socklist and ipv6_mc_socklist are per-socket MLD data.
> These data are protected by rtnl lock, socket lock, and RCU.
> So, when these are used, it verifies whether rtnl lock is acquired or not.
> 
> ip6_mc_msfget() is called by do_ipv6_getsockopt().
> But caller doesn't acquire rtnl lock.
> So, when these data are used in the ip6_mc_msfget() lockdep warns about it.
> But accessing these is actually safe because socket lock was acquired by
> do_ipv6_getsockopt().
> 
> [...]

Here is the summary with links:
  - [v2,net-next] mld: change lockdep annotation for ip6_sf_socklist and ipv6_mc_socklist
    https://git.kernel.org/netdev/net-next/c/4b4b84468aa2

You are awesome, thank you!
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