linux-kernel - RE: [EXT] Re: [PATCH net] octeontx2-pf: Fix page pool cache index corruption.

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Message-ID: <MWHPR1801MB1918C71D464AF5CF8C20F65ED3E8A@MWHPR1801MB1918.namprd18.prod.outlook.com>
Date:   Tue, 5 Sep 2023 10:49:08 +0000
From:   Ratheesh Kannoth <rkannoth@...vell.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Geethasowjanya Akula <gakula@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Hariprasad Kelam <hkelam@...vell.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "hawk@...nel.org" <hawk@...nel.org>,
        "alexander.duyck@...il.com" <alexander.duyck@...il.com>,
        "ilias.apalodimas@...aro.org" <ilias.apalodimas@...aro.org>,
        "linyunsheng@...wei.com" <linyunsheng@...wei.com>
Subject: RE: [EXT] Re: [PATCH net] octeontx2-pf: Fix page pool cache index
 corruption.

> From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> Sent: Tuesday, September 5, 2023 1:21 PM
> To: Ratheesh Kannoth <rkannoth@...vell.com>
> Subject: [EXT] Re: [PATCH net] octeontx2-pf: Fix page pool cache index
> corruption.
>
 
> A delay of 1ms? Short term I would suggest to set up a timer for polling this
> case instead of delay. On a UP you wouldn't make progress that way.
ACK.  
We don’t have a UP case, anyway will make the changes.