On Tue, 2 Oct 2012, Jan Beulich wrote: > >>> On 02.10.12 at 12:44, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote: > >> --- a/drivers/xen/Makefile > >> +++ b/drivers/xen/Makefile > >> @@@ -4,8 -8,11 +8,12 @@@ obj-y += xenbus > >> nostackp := $(call cc-option, -fno-stack-protector) > >> CFLAGS_features.o := $(nostackp) > >> > >> + obj-$(CONFIG_XEN_DOM0) += $(dom0-y) > >> + dom0-$(CONFIG_PCI) += pci.o > >> ++dom0-$(CONFIG_X86) += dbgp.o > >> + dom0-$(CONFIG_ACPI) += acpi.o > >> + dom0-$(CONFIG_X86) += pcpu.o > >> obj-$(CONFIG_BLOCK) += biomerge.o > >> - obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o > >> obj-$(CONFIG_XEN_XENCOMM) += xencomm.o > >> obj-$(CONFIG_XEN_BALLOON) += xen-balloon.o > >> obj-$(CONFIG_XEN_SELFBALLOONING) += xen-selfballoon.o > > > > > > Considering that dbgp doesn't seem to be very useful without PCI at the > > moment, could we just turn it into: > > > > dom0-$(CONFIG_PCI) += dbgp.o > > > > ? > > Better not - the code is specifically not PCI-only. And I can't see > how it would be harmful to be compiled on e.g. ARM (so the > merge perhaps really should use XEN_DOM0 alone, without > X86. If anything (and that may indeed be a minor oversight of > the original patch) one might want it to depend on USB_SUPPORT, > as without that no in-tree debug port capable driver would be > able to load (and hence interfere with Xen's use of the debug > port). However, as long as it builds fine with USB_SUPPORT > undefined (which I believe it does), having it in the shape it > is allows for out-of-tree drivers as well (as long as they make > use of the designated interface). OK for PCI. Regarding USB_SUPPORT, considering that gbgp.c calls hcd_to_bus, I think it would make sense to make it depend on it. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html