netdev - RE: [PATCH v3 0/7] Improve s0ix flows for systems i219LM

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Message-ID: <DM6PR19MB2636B200D618A5546E7BBB57FAF10@DM6PR19MB2636.namprd19.prod.outlook.com>
Date:   Fri, 4 Dec 2020 22:28:06 +0000
From:   "Limonciello, Mario" <Mario.Limonciello@...l.com>
To:     Alexander Duyck <alexander.duyck@...il.com>
CC:     Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        intel-wired-lan <intel-wired-lan@...ts.osuosl.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Netfin <sasha.neftin@...el.com>,
        Aaron Brown <aaron.f.brown@...el.com>,
        Stefan Assmann <sassmann@...hat.com>,
        David Miller <davem@...emloft.net>,
        David Arcari <darcari@...hat.com>,
        "Shen, Yijun" <Yijun.Shen@...l.com>,
        "Yuan, Perry" <Perry.Yuan@...l.com>,
        "anthony.wong@...onical.com" <anthony.wong@...onical.com>
Subject: RE: [PATCH v3 0/7] Improve s0ix flows for systems i219LM

> -----Original Message-----
> From: Alexander Duyck <alexander.duyck@...il.com>
> Sent: Friday, December 4, 2020 15:27
> To: Limonciello, Mario
> Cc: Jeff Kirsher; Tony Nguyen; intel-wired-lan; LKML; Linux PM; Netdev; Jakub
> Kicinski; Sasha Netfin; Aaron Brown; Stefan Assmann; David Miller; David
> Arcari; Shen, Yijun; Yuan, Perry; anthony.wong@...onical.com
> Subject: Re: [PATCH v3 0/7] Improve s0ix flows for systems i219LM
> 
> 
> [EXTERNAL EMAIL]
> 
> On Fri, Dec 4, 2020 at 12:09 PM Mario Limonciello
> <mario.limonciello@...l.com> wrote:
> >
> > commit e086ba2fccda ("e1000e: disable s0ix entry and exit flows for ME
> systems")
> > disabled s0ix flows for systems that have various incarnations of the
> > i219-LM ethernet controller.  This was done because of some regressions
> > caused by an earlier
> > commit 632fbd5eb5b0e ("e1000e: fix S0ix flows for cable connected case")
> > with i219-LM controller.
> >
> > Performing suspend to idle with these ethernet controllers requires a
> properly
> > configured system.  To make enabling such systems easier, this patch
> > series allows determining if enabled and turning on using ethtool.
> >
> > The flows have also been confirmed to be configured correctly on Dell's
> Latitude
> > and Precision CML systems containing the i219-LM controller, when the kernel
> also
> > contains the fix for s0i3.2 entry previously submitted here and now part of
> this
> > series.
> > https://marc.info/?l=linux-netdev&m=160677194809564&w=2
> >
> > Patches 4 through 7 will turn the behavior on by default for some of Dell's
> > CML and TGL systems.
> 
> The patches look good to me. Just need to address the minor issue that
> seems to have been present prior to the introduction of this patch
> set.
> 
> Reviewed-by: Alexander Duyck <alexanderduyck@...com>

Thanks for your review.  Just some operational questions - since this previously
existed do you want me to re-spin the series to a v4 for this, or should it be
a follow up after the series?

If I respin it, would you prefer that change to occur at the start or end
of the series?