linux-kernel - Re: [patch V2 34/46] PCI/MSI: Make arch_.*_msi

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Date:   Fri, 28 Aug 2020 14:52:56 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        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>,
        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>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Megha Dey <megha.dey@...el.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>,
        Rob Herring <robh@...nel.org>
Subject: Re: [patch V2 34/46] PCI/MSI: Make arch_.*_msi_irq[s] fallbacks
 selectable

On 2020-08-28 13:54, Jason Gunthorpe wrote:
> On Fri, Aug 28, 2020 at 01:47:59PM +0100, Marc Zyngier wrote:
> 
>> > So the arch_setup_msi_irq/etc is not really an arch hook, but some
>> > infrastructure to support those 4 PCI root port drivers.
>> 
>> I happen to have a *really old* patch addressing Tegra [1], which
>> I was never able to test (no HW). Rebasing it shouldn't be too hard,
>> and maybe you can find someone internally willing to give it a spin?
> 
> Sure, that helps a bunch, I will ask internally if someone in that BU
> can take a look.

I just rebased[1] the patch onto -rc2, and provided a TODO list in the
commit message.

Thanks,

         M.

[1] 
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=irq/tegra-msi
-- 
Jazz is not dead. It just smells funny...