linux-kernel - Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

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Message-ID: <878scri17k.fsf@nanos.tec.linutronix.de>
Date:   Wed, 30 Sep 2020 20:11:43 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Dey\, Megha" <megha.dey@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.org, linux-hyperv@...r.kernel.org,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Jon Derrick <jonathan.derrick@...el.com>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Wei Liu <wei.liu@...nel.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Steve Wahl <steve.wahl@....com>,
        Dimitri Sivanich <sivanich@....com>,
        Russ Anderson <rja@....com>, linux-pci@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        xen-devel@...ts.xenproject.org, Juergen Gross <jgross@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Dave Jiang <dave.jiang@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Jacob Pan <jacob.jun.pan@...el.com>,
        Baolu Lu <baolu.lu@...el.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        ravi.v.shankar@...el.com
Subject: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

Megha,

On Wed, Sep 30 2020 at 10:25, Megha Dey wrote:
> On 9/30/2020 8:20 AM, Thomas Gleixner wrote:
>>>> Your IMS patches? Why do you need something special again?
>
> By IMS patches, I meant your IMS driver patch that was updated (as it 
> was untested, it had some compile errors and we removed the IMS_QUEUE
> parts) :

Ok.

> The whole patchset can be found here:
>
> https://lore.kernel.org/lkml/f4a085f1-f6de-2539-12fe-c7308d243a4a@intel.com/
>
> It would be great if you could review the IMS patches :)

It somehow slipped through the cracks. I'll have a look.

> We were hoping to get IMS in the 5.10 merge window :)

Hope dies last, right?

>>> We might be able to put together a mockup just to prove it
>> If that makes Megha's stuff going that would of course be appreciated,
>> but we can defer the IMS_QUEUE part for later. It's orthogonal to the
>> IMS_ARRAY stuff.
>
> In our patch series, we have removed the IMS_QUEUE stuff and retained 
> only the IMS_ARRAY parts > as that was sufficient for us.

That works. We can add that back when Jason has his puzzle pieces
sorted.

Thanks,

        tglx