On Wednesday 30 March 2016 08:29:45 Rob Herring wrote: > On Wed, Mar 30, 2016 at 5:03 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > > On Wednesday 30 March 2016 10:13:53 Richard Weinberger wrote: > >> > >> I fully understand your point of view. COMPILE_TEST is a monster that > >> can do the heavy lifting for you, but monsters also have claws and fangs. > >> > >> Having COMPILE_TEST having depend on !UML works for me. But don't > >> we have other archs without io mem? At least a few years ago while > >> porting nandsim to UML I found s390 that lacks of io mem too. > > > > s390 gained IOMEM support when they started having PCI attachments. > > I'm confused how s390 defines HAS_IOMEM and includes it from lib/Kconfig though. Kconfig can define the same symbol multiple times, which is really confusing. I only checked for NO_IOMEM, which s390 no longer defines, but I have not checked what actually happens in case of two conflicting definitions, where the one lib/Kconfig defaults to 'y' and the one in arch/s390 defaults to CONFIG_PCI. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
