Re: [PATCH v2] selftests: kvm: Adding config fragments

From: Naresh Kamboju
Date: Fri Aug 09 2019 - 03:36:14 EST

On Thu, 8 Aug 2019 at 21:30, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
> On 08/08/19 17:10, Andrew Jones wrote:
> >>
> > What does the kselftests config file do? I was about to complain that this
> > would break compiling on non-x86 platforms, but 'make kselftest' and other
> > forms of invoking the build work fine on aarch64 even with this config
> > file. So is this just for documentation? If so, then its still obviously
> > wrong for non-x86 platforms. The only config that makes sense here is KVM.
> > If the other options need to be documented for x86, then should they get
> > an additional config file? tools/testing/selftests/kvm/x86_64/config?
> My understanding is that a config file fragment requires some kind of
> kconfig invocation to create a full .config file. When you do that,
> unknown configurations are dropped silently.

You are right on this point. As you said, unknown configs getting dropped for
arm64 cross compilation.

- Naresh