KVM: PPC: Book3S HV P9: Allow all P9 processors to enable nested HV

All radix guests go via the P9 path now, so there is no need to limit
nested HV to processors that support "mixed mode" MMU. Remove the
restriction.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210528090752.3542186-27-npiggin@gmail.com

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index acb0c72ea9007586e425f5a46c28e2bc5b88195e..cf403280b199d5a0ff3f8f71f7ee001ec96ad4df 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -5451,7 +5451,7 @@ static int kvmhv_enable_nested(struct kvm *kvm)
 {
        if (!nested)
                return -EPERM;
-       if (!cpu_has_feature(CPU_FTR_ARCH_300) || no_mixing_hpt_and_radix)
+       if (!cpu_has_feature(CPU_FTR_ARCH_300))
                return -ENODEV;
 
        /* kvm == NULL means the caller is testing if the capability exists */