Re: [PATCH 1/2] PCI: hv: enable pci_hyperv to allow dynamic vector allocation

Thomas Gleixner
2025-04-17T10:00:30Z

On Wed, Apr 16 2025 at 08:36, Shradha Gupta wrote:
> For supporting dynamic MSI vector allocation by pci controllers, enabling
> the flag MSI_FLAG_PCI_MSIX_ALLOC_DYN is not enough, msix_prepare_msi_desc()
> to prepare the desc is needed. Export pci_msix_prepare_desc() to allow pci
> controllers like pci-hyperv to support dynamic MSI vector allocation.
> Also, add the flag MSI_FLAG_PCI_MSIX_ALLOC_DYN and use
> pci_msix_prepare_desc() in pci_hyperv controller

Seems your newline key is broken. Please structure changelogs properly
in paragraphs:

https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#changelog

> drivers/pci/controller/pci-hyperv.c | 7 +++++--
> drivers/pci/msi/irqdomain.c | 5 +++--
> include/linux/msi.h | 2 ++

This wants to be split into a patch which exports
pci_msix_prepare_desc() and one which enables the functionality in
PCI/HV.

Thanks,

tglx