Re: [PATCH net] rxrpc, afs: Fix peer hash locking vs RCU callback

patchwork-bot+netdevbpf
2025-01-27T23:10:16Z

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Thu, 23 Jan 2025 08:59:12 +0000 you wrote:
> In its address list, afs now retains pointers to and refs on one or more
> rxrpc_peer objects. The address list is freed under RCU and at this time,
> it puts the refs on those peers.
>
> Now, when an rxrpc_peer object runs out of refs, it gets removed from the
> peer hash table and, for that, rxrpc has to take a spinlock. However, it
> is now being called from afs's RCU cleanup, which takes place in BH
> context - but it is just taking an ordinary spinlock.
>
> [...]

Here is the summary with links:
- [net] rxrpc, afs: Fix peer hash locking vs RCU callback
https://git.kernel.org/netdev/net/c/79d458c13056

You are awesome, thank you!
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