On Tue, Sep 21, 2021 at 03:22:31PM -0700, Sean Christopherson wrote:
> Select HAVE_KVM if the KVM dependency is met (OF / Open Firmware), and
> make KVM depend on HAVE_KVM instead of directly on OF. This fixes the
> oddity where arm64 configs can end up with KVM=y and HAVE_KVM=n, and will
> hopefully prevent breakage if there are future users of HAVE_KVM.
>
> Note, arm64 unconditionally selects OF, and has always done so (see
> commit 8c2c3df31e3b ("arm64: Build infrastructure"). Keep the somewhat
> pointless HAVE_KVM dependency on OF to document that KVM requires Open
> Firmware support.
>
> No functional change intended.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> ---
> arch/arm64/Kconfig | 1 +
> arch/arm64/kvm/Kconfig | 2 +-
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index b5b13a932561..38c0f36a5ed4 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -187,6 +187,7 @@ config ARM64
> select HAVE_GCC_PLUGINS
> select HAVE_HW_BREAKPOINT if PERF_EVENTS
> select HAVE_IRQ_TIME_ACCOUNTING
> + select HAVE_KVM if OF
Honestly, I'd just drop the 'if OF' here. We select it unconditionally a
few lines below and so I think it's more confusing to have the check.
With that:
Acked-by: Will Deacon <will@xxxxxxxxxx>
Will
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