linux-kernel - Re: [patch RFC 34/38] x86/msi: Let pci_msi

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Message-ID: <20200825215044.GA1932869@bjorn-Precision-5520>
Date:   Tue, 25 Aug 2020 16:50:44 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        linux-pci@...r.kernel.org, linux-hyperv@...r.kernel.org,
        Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.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>,
        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>,
        Megha Dey <megha.dey@...el.com>,
        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>
Subject: Re: [patch RFC 34/38] x86/msi: Let pci_msi_prepare() handle non-PCI
 MSI

On Tue, Aug 25, 2020 at 11:30:41PM +0200, Thomas Gleixner wrote:
> On Tue, Aug 25 2020 at 15:24, Bjorn Helgaas wrote:
> > On Fri, Aug 21, 2020 at 02:24:58AM +0200, Thomas Gleixner wrote:
> >> Rename it to x86_msi_prepare() and handle the allocation type setup
> >> depending on the device type.
> >
> > I see what you're doing, but the subject reads a little strangely
> 
> Yes :(
> 
> > ("pci_msi_prepare() handling non-PCI" stuff) since it doesn't mention
> > the rename.  Maybe not practical or worthwhile to split into a rename
> > + make generic, I dunno.
> 
> What about
> 
> x86/msi: Rename and rework pci_msi_prepare() to cover non-PCI MSI

Perfect!