Re: [PULL 11/16] vfio/pci: Call vfio_prepare_kvm_msi_virq_batch() in MSI retry path

[Michael Tokarev]

30.06.2023 08:22, Cédric Le Goater wrote:
> From: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
>
> When vfio_enable_vectors() returns with less than requested nr_vectors
> we retry with what kernel reported back. But the retry path doesn't
> call vfio_prepare_kvm_msi_virq_batch() and this results in,
>
> qemu-system-aarch64: vfio: Error: Failed to enable 4 MSI vectors, retry with 1
> qemu-system-aarch64: ../hw/vfio/pci.c:602: vfio_commit_kvm_msi_virq_batch: 
> Assertion `vdev->defer_kvm_irq_routing' failed
>
> Fixes: dc580d51f7dd ("vfio: defer to commit kvm irq routing when enable 
> msi/msix")

Is it -stable material?

Thanks,

/mjt