netdev - Re: [PATCH v6 bpf] xsk: fix immature cq descriptor production

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Message-Id: 
 <175587960927.1895682.3818186077028275399.git-patchwork-notify@kernel.org>
Date: Fri, 22 Aug 2025 16:20:09 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Cc: bpf@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
 andrii@...nel.org, netdev@...r.kernel.org, magnus.karlsson@...el.com,
 stfomichev@...il.com, aleksander.lobakin@...el.com,
 e.kubanski@...tner.samsung.com
Subject: Re: [PATCH v6 bpf] xsk: fix immature cq descriptor production

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Wed, 20 Aug 2025 17:44:16 +0200 you wrote:
> Eryk reported an issue that I have put under Closes: tag, related to
> umem addrs being prematurely produced onto pool's completion queue.
> Let us make the skb's destructor responsible for producing all addrs
> that given skb used.
> 
> Introduce struct xsk_addrs which will carry descriptor count with array
> of addresses taken from processed descriptors that will be carried via
> skb_shared_info::destructor_arg. This way we can refer to it within
> xsk_destruct_skb(). In order to mitigate the overhead that will be
> coming from memory allocations, let us introduce kmem_cache of
> xsk_addrs. There will be a single kmem_cache for xsk generic xmit on the
> system.
> 
> [...]

Here is the summary with links:
  - [v6,bpf] xsk: fix immature cq descriptor production
    https://git.kernel.org/bpf/bpf/c/dd9de524183a

You are awesome, thank you!
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