Re: [Xen-devel] [PATCH] conditionalize PCI reassign code

["Zhao, Yu" <yu.zhao@xxxxxxxxx>]

Jan Beulich wrote:
> > > > "Zhao, Yu" <yu.zhao@xxxxxxxxx> 17.10.08 04:43 >>>
> > There is build error (c/s 701) with this patch, please take a look.
> This is why I always include
>
> > > As usual, written and tested on 2.6.27 and made apply to the 2.6.18
> > > tree without further testing.
> I'm making a best effort attempt at getting things in proper state for that
> tree, but time-wise can't afford full validation. But I always assumed that
> if this appears in the real (not the staging) tree, it at least survived
> building in Citrix' trees - is that not correct, Keir?
>
> As you observed the build error - why don't you provide at least the
> error the compiler generated? That might make it possible to provide a
> fix quickly.
+#ifdef CONFIG_PCI_REASSIGN
 extern int reassign_resources;
 extern int is_reassigndev(struct pci_dev *dev);
 extern void pci_update_bridge(struct pci_dev *dev, int resno);
+#else
+#define reassign_resources 0
+#define is_reassigndev(dev) 0
+#endif

When the CONFIG_PCI_REASSIGN is not set, e.g., a domU kernel, the 
following line fails to be compiled (drivers/pci/quirks.c):
int reassign_resources = 0;

> Jan

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