Messages in this thread Patch in this message | | | From | Luis Henriques <> | Subject | [PATCH] PCI/MSI: stub pci_write_msi_msg when CONFIG_PCI_MSI is disabled | Date | Wed, 17 Feb 2016 21:05:38 +0000 |
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Stubbing function pci_write_msi_msg when CONFIG_PCI_MSI is disabled fixes a link failure in vfio:
drivers/built-in.o: In function `vfio_msi_set_vector_signal': :(.text+0x626640): undefined reference to `pci_write_msi_msg'
Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- include/linux/msi.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/msi.h b/include/linux/msi.h index a2a0068a8387..09dc375d11d8 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -105,18 +105,19 @@ struct msi_desc { struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc); void *msi_desc_to_pci_sysdata(struct msi_desc *desc); +void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg); #else /* CONFIG_PCI_MSI */ static inline void *msi_desc_to_pci_sysdata(struct msi_desc *desc) { return NULL; } +static inline void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg) { } #endif /* CONFIG_PCI_MSI */ struct msi_desc *alloc_msi_entry(struct device *dev); void free_msi_entry(struct msi_desc *entry); void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg); void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg); -void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg); u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag); u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
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