Re: [Xen-devel] [PATCH RFC 07/25] xen/common/Makefile: introduce HAS_CPUFREQ, HAS_PCI, HAS_PASSTHROUGH, HAS_NS16550

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 7 Dec 2011, Jan Beulich wrote:
> >>> On 07.12.11 at 12:24, Stefano Stabellini 
> >>> <stefano.stabellini@xxxxxxxxxxxxx>
> wrote:
> > On Wed, 7 Dec 2011, Jan Beulich wrote:
> >> >>> On 06.12.11 at 19:19, <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> >> > From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> >> > 
> >> > - make the compilation of ns16550.c depend upon HAS_NS16550;
> >> > 
> >> > - make the compilation of cpufreq depend upon HAS_CPUFREQ;
> >> > 
> >> > - make the compilation of pci depend upon HAS_PCI;
> >> > 
> >> > - make the compilation of passthrough depend upon HAS_PASSTHROUGH;
> >> > 
> >> > - make the compilation of kexec.o depend on HAS_ACPI.
> >> 
> >> How are kexec and ACPI connected to one another?
> > 
> > Today kexec implementation is dependent on ACPI.
> 
> The only dependency I can spot is the call to acpi_dmar_reinstate(),
> which could clearly get an inline stub on platforms that don't have
> ACPI (or pass-through).

It is better than I thought. I am compiling kexec too now.

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