netdev - Re: [PATCH] ipv6: mcast: use rcu-safe version of ipv6_get

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Message-Id: <164484600978.23487.12151105643711844035.git-patchwork-notify@kernel.org>
Date:   Mon, 14 Feb 2022 13:40:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Ignat Korchagin <ignat@...udflare.com>
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...udflare.com,
        dpini@...udflare.com
Subject: Re: [PATCH] ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Fri, 11 Feb 2022 17:30:42 +0000 you wrote:
> Some time ago 8965779d2c0e ("ipv6,mcast: always hold idev->lock before mca_lock")
> switched ipv6_get_lladdr() to __ipv6_get_lladdr(), which is rcu-unsafe
> version. That was OK, because idev->lock was held for these codepaths.
> 
> In 88e2ca308094 ("mld: convert ifmcaddr6 to RCU") these external locks were
> removed, so we probably need to restore the original rcu-safe call.
> 
> [...]

Here is the summary with links:
  - ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
    https://git.kernel.org/netdev/net/c/26394fc118d6

You are awesome, thank you!
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