RE: [patch V2 29/33] PCI/MSI: Provide pci_ims_alloc/free_irq()

[Tian, Kevin]

> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Sent: Monday, November 21, 2022 10:38 PM
> 
> + * There is no index for IMS allocations as IMS is an implementation
> + * specific storage and does not have any direct associations between
> + * index, which might be a pure software construct, and device
> + * functionality. This association is established by the driver either via
> + * the index - if there is a hardware table - or in case of purely software
> + * managed IMS implementation the association happens via the
> + * irq_write_msi_msg() callback of the implementation specific interrupt
> + * chip, which utilizes the provided @cookie to store the MSI message in

@icookie