linux-kernel - Re: [PATCH] selftests: kvm: Adding config fragments

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Message-ID: <43fd5a9b-7ecd-3fff-2381-1dfce7b8618a@redhat.com>
Date:   Wed, 31 Jul 2019 15:02:17 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        linux-kselftest@...r.kernel.org, kvm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, drjones@...hat.com,
        sean.j.christopherson@...el.com
Subject: Re: [PATCH] selftests: kvm: Adding config fragments

On 31/07/19 12:55, Naresh Kamboju wrote:
> selftests kvm test cases need pre-required kernel configs for the test
> to get pass.
> 
> Signed-off-by: Naresh Kamboju <naresh.kamboju@...aro.org>

Most of these are selected by other items.  CONFIG_KVM should be enough
on ARM and s390 but MIPS, x86 and PPC may also need to select the
specific "flavors" (for example Intel/AMD for x86).

How are these used?  Are they used to build a kernel, or to check that
an existing kernel supports virtualization?

Paolo

> +CONFIG_KVM=y
> +CONFIG_VHOST_NET=y
> +CONFIG_VHOST=y
> +CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y
> +CONFIG_USER_RETURN_NOTIFIER=y
> +CONFIG_PREEMPT_NOTIFIERS=y
> +CONFIG_TRANSPARENT_HUGEPAGE=y
> +CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
> +CONFIG_THP_SWAP=y
> +CONFIG_TRANSPARENT_HUGE_PAGECACHE=y
> +CONFIG_IRQ_BYPASS_MANAGER=y
> +CONFIG_XARRAY_MULTI=y
>