RE: [PATCH V4 01/11] vfio/pci: Consolidate irq cleanup on MSI/MSI-X disable

[Tian, Kevin]

> From: Chatre, Reinette <reinette.chatre@xxxxxxxxx>
> Sent: Friday, April 28, 2023 1:36 AM
> 
> vfio_msi_disable() releases all previously allocated state
> associated with each interrupt before disabling MSI/MSI-X.
> 
> vfio_msi_disable() iterates twice over the interrupt state:
> first directly with a for loop to do virqfd cleanup, followed
> by another for loop within vfio_msi_set_block() that removes
> the interrupt handler and its associated state using
> vfio_msi_set_vector_signal().
> 
> Simplify interrupt cleanup by iterating over allocated interrupts
> once.
> 
> Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>