On Fri, May 09, 2025 at 03:13:22AM -0700, Shradha Gupta wrote: > 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@xxxxxxxxxxxxxxxxxxx> > Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> > --- > Changes in v3: > * Add arm64 support > --- > Changes in v2: > * split the patch to keep changes in PCI and pci_hyperv controller > seperate > * replace strings "pci vectors" by "MSI-X vectors" > --- > drivers/pci/controller/pci-hyperv.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c > index ac27bda5ba26..8c8882cb0ad2 100644 > --- a/drivers/pci/controller/pci-hyperv.c > +++ b/drivers/pci/controller/pci-hyperv.c > @@ -598,7 +598,8 @@ static unsigned int hv_msi_get_int_vector(struct irq_data *data) > return cfg->vector; > } > > -#define hv_msi_prepare pci_msi_prepare > +#define hv_msi_prepare pci_msi_prepare > +#define hv_msix_prepare_desc pci_msix_prepare_desc Please do not use custom macro unless its defintion changes based on some conditional. In this case, you should use pci_msix_prepare_desc directly for prepare_desc() callback. - Mani -- மணிவண்ணன் சதாசிவம்
