s/only/Only/ in subject On Fri, Sep 17, 2021 at 12:48:03PM +0200, Jan Beulich wrote: > The driver's module init function, pcifront_init(), invokes > xen_pv_domain() first thing. That construct produces constant "false" > when !CONFIG_XEN_PV. Hence there's no point building the driver in > non-PV configurations. Thanks for these bread crumbs. xen_domain_type is set to XEN_PV_DOMAIN only by xen_start_kernel() in enlighten_pv.c, which is only built when CONFIG_XEN_PV=y, so even I can verify this :) > Drop the (now implicit and generally wrong) X86 dependency: At present, > XEN_PV con only be set when X86 is also enabled. In general an > architecture supporting Xen PV (and PCI) would want to have this driver > built. s/con only/can only/ > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> > Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > --- > v2: Title and description redone. > > --- a/drivers/pci/Kconfig > +++ b/drivers/pci/Kconfig > @@ -110,7 +110,7 @@ config PCI_PF_STUB > > config XEN_PCIDEV_FRONTEND > tristate "Xen PCI Frontend" > - depends on X86 && XEN > + depends on XEN_PV > select PCI_XEN > select XEN_XENBUS_FRONTEND > default y >
