On Fri, Dec 10, 2021 at 11:19:23PM +0100, Thomas Gleixner wrote: > From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > > 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@xxxxxxxxxxxxx> > Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > --- > 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 <jgg@xxxxxxxxxx> Jason
