Re: [PATCH V3 17/17] KVM: compat: riscv: Prevent KVM_COMPAT from being selected

[Guo Ren]

On Thu, Jan 20, 2022 at 6:32 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> On Thu, Jan 20, 2022 at 8:39 AM <guoren@xxxxxxxxxx> wrote:
> >
> > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> >
> > Current riscv doesn't support the 32bit KVM/arm API. Let's make it
> > clear by not selecting KVM_COMPAT.
> >
> > Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> > ---
> >  virt/kvm/Kconfig | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
> > index f4834c20e4a6..a8c5c9f06b3c 100644
> > --- a/virt/kvm/Kconfig
> > +++ b/virt/kvm/Kconfig
> > @@ -53,7 +53,7 @@ config KVM_GENERIC_DIRTYLOG_READ_PROTECT
> >
> >  config KVM_COMPAT
> >         def_bool y
> > -       depends on KVM && COMPAT && !(S390 || ARM64)
> > +       depends on KVM && COMPAT && !(S390 || ARM64 || RISCV)
>
> Maybe this should be flipped around into a positive list now?
I think it's another patch to do that. Not in this series.

> The remaining architectures would be mips, powerpc and x86, but it's unclear
> if this actually meant to work on all of them, or any potential ones
> added in the
Yes, it's unclear and arch maintainers need to confirm that.

> future.
>
>        Arnd



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/