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ad518f2557
Allow dynamic MSI-X vector allocation for pci_hyperv PCI controller by adding support for the flag MSI_FLAG_PCI_MSIX_ALLOC_DYN and using pci_msix_prepare_desc() to prepare the MSI-X descriptors. Feature support added for both x86 and ARM64 Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com>