netdev - RE: [EXT] Re: [BUG] Possible unsafe page

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Message-ID: 
 <CY4PR1801MB1911912084C9C9F451207F7DD3E6A@CY4PR1801MB1911.namprd18.prod.outlook.com>
Date: Wed, 30 Aug 2023 07:14:41 +0000
From: Ratheesh Kannoth <rkannoth@...vell.com>
To: Jesper Dangaard Brouer <hawk@...nel.org>,
        Sebastian Andrzej Siewior
	<bigeasy@...utronix.de>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC: "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet
	<edumazet@...gle.com>,
        Geethasowjanya Akula <gakula@...vell.com>,
        Ilias
 Apalodimas <ilias.apalodimas@...aro.org>,
        Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
        Subbaraya Sundeep Bhatta
	<sbhatta@...vell.com>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Thomas
 Gleixner <tglx@...utronix.de>,
        Hariprasad Kelam <hkelam@...vell.com>,
        Alexander Lobakin <aleksander.lobakin@...el.com>,
        Qingfang DENG
	<qingfang.deng@...lower.com.cn>
Subject: RE: [EXT] Re: [BUG] Possible unsafe page_pool usage in octeontx2

> From: Jesper Dangaard Brouer <hawk@...nel.org>
> Subject: [EXT] Re: [BUG] Possible unsafe page_pool usage in octeontx2
> 
> This WQ process is not allowed to use the page_pool_alloc() API this way
> (from a work-queue).  The PP alloc-side API must only be used under NAPI
> protection.  Thanks for spotting this Sebastian!
> 
> Will/can any of the Cc'ed Marvell people work on a fix?

We are working on it.