linux-kernel - Re: [patch V2 27/36] genirq/msi: Provide interface to retrieve Linux interrupt number

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Message-ID: <Ya8SmWGiCnt4xTmC@kroah.com>
Date:   Tue, 7 Dec 2021 08:51:53 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Marc Zygnier <maz@...nel.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Megha Dey <megha.dey@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, linux-pci@...r.kernel.org,
        Cedric Le Goater <clg@...d.org>,
        xen-devel@...ts.xenproject.org, Juergen Gross <jgross@...e.com>,
        Will Deacon <will@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        iommu@...ts.linux-foundation.org, dmaengine@...r.kernel.org,
        Stuart Yoder <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Vinod Koul <vkoul@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        Sinan Kaya <okaya@...nel.org>
Subject: Re: [patch V2 27/36] genirq/msi: Provide interface to retrieve Linux
 interrupt number

On Mon, Dec 06, 2021 at 11:39:39PM +0100, Thomas Gleixner wrote:
> This allows drivers to retrieve the Linux interrupt number instead of
> fiddling with MSI descriptors.
> 
> msi_get_virq() returns the Linux interrupt number or 0 in case that there
> is no entry for the given MSI index.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>