netdev - Re: [PATCH RFCv5 1/8] page_pool: introduce page_pool_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <354e423e-1111-43d5-accd-17a099690369@huawei.com>
Date: Mon, 30 Dec 2024 17:15:19 +0800
From: Yunsheng Lin <linyunsheng@...wei.com>
To: Ilias Apalodimas <ilias.apalodimas@...aro.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<somnath.kotur@...adcom.com>, <liuyonglong@...wei.com>,
	<fanghaiqing@...wei.com>, <zhangkun09@...wei.com>, Wei Fang
	<wei.fang@....com>, Shenwei Wang <shenwei.wang@....com>, Clark Wang
	<xiaoning.wang@....com>, Andrew Lunn <andrew+netdev@...n.ch>, Eric Dumazet
	<edumazet@...gle.com>, Jeroen de Borst <jeroendb@...gle.com>, Praveen
 Kaligineedi <pkaligineedi@...gle.com>, Shailend Chand <shailend@...gle.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>, Przemek Kitszel
	<przemyslaw.kitszel@...el.com>, Alexander Lobakin
	<aleksander.lobakin@...el.com>, Alexei Starovoitov <ast@...nel.org>, Daniel
 Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>, Saeed Mahameed
	<saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>, Tariq Toukan
	<tariqt@...dia.com>, Felix Fietkau <nbd@....name>, Lorenzo Bianconi
	<lorenzo@...nel.org>, Ryder Lee <ryder.lee@...iatek.com>, Shayne Chen
	<shayne.chen@...iatek.com>, Sean Wang <sean.wang@...iatek.com>, Kalle Valo
	<kvalo@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Simon
 Horman <horms@...nel.org>, <imx@...ts.linux.dev>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <intel-wired-lan@...ts.osuosl.org>,
	<bpf@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-wireless@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH RFCv5 1/8] page_pool: introduce page_pool_to_pp() API

On 2024/12/20 20:29, Ilias Apalodimas wrote:
> Hi Yunsheng,
> 
> On Fri, 13 Dec 2024 at 14:35, Yunsheng Lin <linyunsheng@...wei.com> wrote:
>>
>> introduce page_pool_to_pp() API to avoid caller accessing
>> page->pp directly.
>>
> 
> I think we already have way too many abstractions, I'd say we need
> less not more. I don't know what others think, but I don't see what we
> gain from this

I am not sure how it is related to 'abstraction' here.
Either we don't allow drivers accessing the page->pp directly, otherwise
it seems better to provide a proper API for that as my understanding as it
seems better not to mess with internal detail of page_pool.

> 
> Thanks
> /Ilias