linux-kernel - Re: [PATCH net] page_pool: fix inconsistency for page_pool_ring

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Message-ID: <20230522192238.28837d1d@kernel.org>
Date:   Mon, 22 May 2023 19:22:38 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Yunsheng Lin <linyunsheng@...wei.com>
Cc:     Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Jesper Dangaard Brouer <jbrouer@...hat.com>,
        <davem@...emloft.net>, <pabeni@...hat.com>, <brouer@...hat.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>
Subject: Re: [PATCH net] page_pool: fix inconsistency for
 page_pool_ring_[un]lock()

On Tue, 23 May 2023 10:13:14 +0800 Yunsheng Lin wrote:
> On 2023/5/22 19:45, Ilias Apalodimas wrote:
> >> Thanks for spotting and fixing this! :-)  
> 
> It was spotted when implementing the below patch:)
> 
> https://patchwork.kernel.org/project/netdevbpf/patch/168269857929.2191653.13267688321246766547.stgit@firesoul/#25325801
> 
> Do you still working on optimizing the page_pool destroy
> process? If not, do you mind if I carry it on based on
> that?

Not sure what you mean, this patch is a fix and the destroy
optimizations where targeted at net-next. Fix goes in first,
and then after the tree merge on Thu the work in net-next can 
progress.