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

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Message-ID: <87v9fvix5f.fsf@nanos.tec.linutronix.de>
Date:   Wed, 30 Sep 2020 08:41:48 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Dey\, Megha" <megha.dey@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     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>,
        Jason Gunthorpe <jgg@...lanox.com>,
        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>, dave.jiang@...el.com,
        ravi.v.shankar@...el.com
Subject: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

On Tue, Sep 29 2020 at 16:03, Megha Dey wrote:
> On 8/26/2020 4:16 AM, Thomas Gleixner wrote:
>> #9	is obviously just for the folks interested in IMS
>>
>
> I see that the tip tree (as of 9/29) has most of these patches but 
> notice that the DEV_MSI related patches
>
> haven't made it. I have tested the tip tree(x86/irq branch) with your
> DEV_MSI infra patches and our IMS patches with the IDXD driver and was

Your IMS patches? Why do you need something special again?

> wondering if we should push out those patches as part of our patchset?

As I don't have any hardware to test that, I was waiting for you and
Jason to confirm that this actually works for the two different IMS
implementations.

Thanks,

        tglx