diff options
| author | Reinette Chatre <reinette.chatre@intel.com> | 2023-05-11 08:44:38 -0700 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-05-23 15:49:03 -0600 |
| commit | 6c8017c6a58d06c2fcce3b034944ad056ccf02ce (patch) | |
| tree | affebfd963d7369d685c9c372821060d4b67f1bd /drivers/vfio | |
| parent | e4163438e01583194d043c07adce326b29786f94 (diff) | |
| download | linux-6c8017c6a58d06c2fcce3b034944ad056ccf02ce.tar.gz | |
vfio/pci: Clear VFIO_IRQ_INFO_NORESIZE for MSI-X
Dynamic MSI-X is supported. Clear VFIO_IRQ_INFO_NORESIZE
to provide guidance to user space.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/fd1ef2bf6ae972da8e2805bc95d5155af5a8fb0a.1683740667.git.reinette.chatre@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index a3635a8e54c855..ec7e662de033d2 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -1114,7 +1114,7 @@ static int vfio_pci_ioctl_get_irq_info(struct vfio_pci_core_device *vdev, if (info.index == VFIO_PCI_INTX_IRQ_INDEX) info.flags |= (VFIO_IRQ_INFO_MASKABLE | VFIO_IRQ_INFO_AUTOMASKED); - else + else if (info.index != VFIO_PCI_MSIX_IRQ_INDEX || !vdev->has_dyn_msix) info.flags |= VFIO_IRQ_INFO_NORESIZE; return copy_to_user(arg, &info, minsz) ? -EFAULT : 0; |