Subject: Re: [patch V3 26/35] genirq/msi: Provide interface to retrieve Linux interrupt number

From: Jason Gunthorpe <[email-masked]>
Date: Mon, 13 Dec 2021 10:22:48 -0400

On Fri, Dec 10, 2021 at 11:19:23PM +0100, Thomas Gleixner wrote:
> From: Thomas Gleixner <[email-masked]>
> 
> 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 <[email-masked]>
> Reviewed-by: Greg Kroah-Hartman <[email-masked]>
> ---
> V2: Simplify the implementation and let PCI deal with the PCI specialities - Marc
> ---
>  include/linux/msi.h |    2 ++
>  kernel/irq/msi.c    |   36 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 38 insertions(+)

Reviewed-by: Jason Gunthorpe <[email-masked]>

Jason

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