Re: [Xen-devel] [PATCH] xen: remove CONFIG_XEN_DOM0 compile option

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 9 Jan 2012, Andrew Jones wrote:
> I guess if we did the s/XEN_DOM0/LOCAL_APIC && IO_APIC && ACPI/ in
> arch/x86/pci/xen.c it would be pretty easy to review for equivalence.
> Then keep CONFIG_PRIVILIGED, but drop XEN_DOM0 from everywhere else and
> compile in the 3 files. I don't think it makes much sense to do it
> though. XEN_DOM0 keeps things tidier now and might be useful later.

we can keep things clean with the following:

#ifdef CONFIG_LOCAL_APIC && CONFIG_IO_APIC && CONFIG_ACPI && CONFIG_PCI_XEN

#define XEN_DOM0

#endif

in include/xen/xen.h.

So in the source files we can still '#ifdef XEN_DOM0', but at the same
time we can get rid of the build symbol: everybody wins.

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