linux-kernel - RE: RE: [PATCH net v2 1/2] net: ll

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Message-ID: <BYAPR12MB4773DCF723E65BCBFAF3AEF29E30A@BYAPR12MB4773.namprd12.prod.outlook.com>
Date:   Mon, 10 Jul 2023 05:51:06 +0000
From:   "Katakam, Harini" <harini.katakam@....com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Jakub Kicinski <kuba@...nel.org>,
        Jonas Suhr Christensen <jsc@...raculum.org>
CC:     Paolo Abeni <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Michal Simek <michal.simek@...inx.com>,
        Haoyue Xu <xuhaoyue1@...ilicon.com>,
        huangjunxian <huangjunxian6@...ilicon.com>,
        Wang Qing <wangqing@...o.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Esben Haabendal <esben@...nix.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Neeli, Srinivas" <srinivas.neeli@....com>,
        "Pandey, Radhey Shyam" <radhey.shyam.pandey@....com>
Subject: RE: RE: [PATCH net v2 1/2] net: ll_temac: Fix DMA resources leak

Hi Christophe,

> -----Original Message-----
> From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> Sent: Saturday, July 8, 2023 6:46 PM
> To: Katakam, Harini <harini.katakam@....com>; Jakub Kicinski
> <kuba@...nel.org>; Jonas Suhr Christensen <jsc@...raculum.org>
> Cc: Paolo Abeni <pabeni@...hat.com>; netdev@...r.kernel.org; David S.
> Miller <davem@...emloft.net>; Eric Dumazet <edumazet@...gle.com>;
> Michal Simek <michal.simek@...inx.com>; Haoyue Xu
> <xuhaoyue1@...ilicon.com>; huangjunxian <huangjunxian6@...ilicon.com>;
> Wang Qing <wangqing@...o.com>; Yang Yingliang
> <yangyingliang@...wei.com>; Esben Haabendal <esben@...nix.com>; linux-
> arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; Neeli, Srinivas
> <srinivas.neeli@....com>
> Subject: Re: RE: [PATCH net v2 1/2] net: ll_temac: Fix DMA resources leak
> 
> Le 14/03/2023 à 06:15, Katakam, Harini a écrit :
> > Hi Jakub, Jonas,
> >
> >> -----Original Message-----
> >> From: Jakub Kicinski <kuba@...nel.org>
> >> Sent: Tuesday, March 14, 2023 12:19 AM
> >> To: Jonas Suhr Christensen <jsc@...raculum.org>; Katakam, Harini
> >> <harini.katakam@....com>
> >> Cc: Paolo Abeni <pabeni@...hat.com>; netdev@...r.kernel.org; David S.
> >> Miller <davem@...emloft.net>; Eric Dumazet <edumazet@...gle.com>;
> >> Michal Simek <michal.simek@...inx.com>; Haoyue Xu
> >> <xuhaoyue1@...ilicon.com>; huangjunxian
> >> <huangjunxian6@...ilicon.com>; Wang Qing <wangqing@...o.com>; Yang
> >> Yingliang <yangyingliang@...wei.com>; Esben Haabendal
> >> <esben@...nix.com>; linux-arm-kernel@...ts.infradead.org;
> >> linux-kernel@...r.kernel.org
> >> Subject: Re: [PATCH net v2 1/2] net: ll_temac: Fix DMA resources leak
> >>
> >> On Mon, 13 Mar 2023 19:37:00 +0100 Jonas Suhr Christensen wrote:
> >>> On Tue, Feb 7, 2023, at 19:42, Jakub Kicinski wrote:
> >>>> On Tue, 07 Feb 2023 12:36:11 +0100 Paolo Abeni wrote:
> >>>>> You can either try change to phys type to __be32 (likely not
> >>>>> suitable for -net and possibly can introduce even more warnings
> >>>>> elsewhere)
> >>>>
> >>>> FWIW that seems like the best option to me as well. Let's ignore
> >>>> the sparse warning for v3 and try to switch phys to __be32 in a
> >>>> separate patch for net-next. No point adding force casts just to
> >>>> have to remove them a week later, given how prevalent the problem is.
> >>>>
> >>>>> or explicitly cast the argument.
> >>>
> >>> I no longer have access to the hardware, so I'm not rewriting the
> >>> batch. Feel free to take ownership of it and fix what's needed.
> >>
> >> Ack.
> >>
> >> Harini, are you the designated maintainer for this driver? Could you
> >> add a MAINTAINERS entry for it? I don't see one right now.
> >> And possibly pick up these patches / fix the problem, if you have the cycles?
> >
> > Sure, Srinivas (cced) will pick up this series and send a v3.
> > I'll get back on the state of this IP/driver for the maintainers list.
> > Will include that patch in the beginning of the series as well.
> >
> > Regards,
> > Harini
> >
> 
> Hi,
> 
> this patch, or an updated version, has not reached -next yet.
> 
> Does someone still working on it, or did it got lost?

Apologies, we dint get a chance to close on this. We'll fix and re-spin next month.
This IP and driver are in minimal support mode right now.
We'll update the maintainers entry.

Regards,
Harini