Re: [patch V3 26/35] genirq/msi: Provide interface to retrieve Linux interrupt number
From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2021-12-13 14:22:58
Also in:
dmaengine, linux-iommu, linux-pci, linuxppc-dev, lkml, xen-devel
On Fri, Dec 10, 2021 at 11:19:23PM +0100, Thomas Gleixner wrote:
From: Thomas Gleixner <redacted> 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 <redacted> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- 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@nvidia.com> Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel