Re: [PATCH] ia64 kernel fails to link because of PCI MSI quirk

From: Andrew Morton
Date: Tue Mar 15 2005 - 15:16:45 EST

James Bottomley <James.Bottomley@xxxxxxxxxxxx> wrote:
> The problem is that the MSI code has an unconditional dependency on
> pci_msi_quirk. However, the quirk and the variable are only defined if
> CONFIG_X86_IO_APIC is defined, which it never is on ia64.

Yes, I hit that as well.

> The solution is to make the variable global and unconditional.

I fixed it differently:

--- 25/drivers/pci/pci.h~ia64-msi-build-fix Sat Mar 12 18:13:37 2005
+++ 25-akpm/drivers/pci/pci.h Sat Mar 12 18:14:23 2005
@@ -64,8 +64,13 @@ extern void pci_remove_legacy_files(stru
/* Lock for read/write access to pci device and bus lists */
extern spinlock_t pci_bus_lock;

-extern int pcie_mch_quirk;
+#ifdef CONFIG_X86_IO_APIC
extern int pci_msi_quirk;
+#define pci_msi_quirk 0
+extern int pcie_mch_quirk;
extern struct device_attribute pci_dev_attrs[];
extern struct class_device_attribute class_device_attr_cpuaffinity;


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