linux-kernel - Re: [PATCH net-next v1 0/5] Devlink reload and missed notifications fix

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Date:   Wed, 29 Sep 2021 13:46:38 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     Leon Romanovsky <leon@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Leon Romanovsky <leonro@...dia.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>, Ariel Elior <aelior@...vell.com>,
        Bin Luo <luobin9@...wei.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Coiby Xu <coiby.xu@...il.com>,
        Derek Chickles <dchickles@...vell.com>,
        "drivers@...sando.io" <drivers@...sando.io>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Felix Manlunas <fmanlunas@...vell.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Geetha sowjanya <gakula@...vell.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "GR-everest-linux-l2@...vell.com" <GR-everest-linux-l2@...vell.com>,
        "GR-Linux-NIC-Dev@...vell.com" <GR-Linux-NIC-Dev@...vell.com>,
        hariprasad <hkelam@...vell.com>,
        Ido Schimmel <idosch@...dia.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Jerin Jacob <jerinj@...vell.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Jiri Pirko <jiri@...dia.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Linu Cherian <lcherian@...vell.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-staging@...ts.linux.dev" <linux-staging@...ts.linux.dev>,
        Manish Chopra <manishc@...vell.com>,
        Michael Chan <michael.chan@...adcom.com>,
        Moshe Shemesh <moshe@...dia.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "oss-drivers@...igine.com" <oss-drivers@...igine.com>,
        Richard Cochran <richardcochran@...il.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Satanand Burla <sburla@...vell.com>,
        Shannon Nelson <snelson@...sando.io>,
        Shay Drory <shayd@...dia.com>,
        Simon Horman <simon.horman@...igine.com>,
        Subbaraya Sundeep <sbhatta@...vell.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        Taras Chornyi <tchornyi@...vell.com>,
        Tariq Toukan <tariqt@...dia.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Vadym Kochan <vkochan@...vell.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Yisen Zhuang <yisen.zhuang@...wei.com>
Subject: Re: [PATCH net-next v1 0/5] Devlink reload and missed notifications
 fix

On Wed, Sep 29, 2021 at 06:40:04AM -0700, Jakub Kicinski wrote:
> On Wed, 29 Sep 2021 15:00:41 +0300 Leon Romanovsky wrote:
> > This series starts from the fixing the bug introduced by implementing
> > devlink delayed notifications logic, where I missed some of the
> > notifications functions.
> >
> > The rest series provides a way to dynamically set devlink ops that is
> > needed for mlx5 multiport device and starts cleanup by removing
> > not-needed logic.
> >
> > In the next series, we will delete various publish API, drop general
> > lock, annotate the code and rework logic around devlink->lock.
> >
> > All this is possible because driver initialization is separated from the
> > user input now.
>
> Swapping ops is a nasty hack in my book.
>
> And all that to avoid having two op structures in one driver.
> Or to avoid having counters which are always 0?
>
> Sorry, at the very least you need better explanation for this.

Leon, while the discussion about this unfolds, can you please repost
patch 1 separately? :)
Thanks.