Re: [patch V2 20/23] PCI/MSI: Move msi_lock to struct pci_dev

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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.



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