On Wed, Dec 08 2021 at 11:29, Jason Gunthorpe wrote: > On Mon, Dec 06, 2021 at 11:27:56PM +0100, Thomas Gleixner wrote: >> if (!desc->pci.msi_attrib.can_mask) > > It looks like most of the time this is called by an irq_chip, except > for a few special cases list pci_msi_shutdown() > > Is this something that should ideally go away someday and use some > lock in the irq_chip - not unlike what we've thought is needed for > IMS? Some day we'll have that yes.