From: patchwork-bot+netdevbpf@kernel.org
To: David Carlier <devnexen@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, davem@davemloft.net,
kuba@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH bpf-next] bpf: use RCU-safe iteration in dev_map_redirect_multi() SKB path
Date: Tue, 24 Mar 2026 23:00:05 +0000 [thread overview]
Message-ID: <177439320580.1338341.8176625069776928433.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260320072645.16731-1-devnexen@gmail.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Martin KaFai Lau <martin.lau@kernel.org>:
On Fri, 20 Mar 2026 07:26:45 +0000 you wrote:
> The DEVMAP_HASH branch in dev_map_redirect_multi() uses
> hlist_for_each_entry_safe() to iterate hash buckets, but this function
> runs under RCU protection (called from xdp_do_generic_redirect_map()
> in softirq context). Concurrent writers (__dev_map_hash_update_elem,
> dev_map_hash_delete_elem) modify the list using RCU primitives
> (hlist_add_head_rcu, hlist_del_rcu).
>
> [...]
Here is the summary with links:
- [bpf-next] bpf: use RCU-safe iteration in dev_map_redirect_multi() SKB path
https://git.kernel.org/bpf/bpf-next/c/8ed82f807bb0
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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next prev parent reply other threads:[~2026-03-24 23:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-20 7:26 [PATCH bpf-next] bpf: use RCU-safe iteration in dev_map_redirect_multi() SKB path David Carlier
2026-03-24 23:00 ` patchwork-bot+netdevbpf [this message]
2026-03-24 23:00 ` Martin KaFai Lau
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