coreys <cor...@affinitygs.com> writes:

> When I try to upgrade my guest windows 8 vm to window 8.1. I get the
> error of processor doesn't support CompareExchange128.  Haven not been
> able to find any information about this error.

I think that's because cmpxchg16b is not emulated yet:

static int em_cmpxchg8b(struct x86_emulate_ctxt *ctxt)
{
        u64 old = ctxt->dst.orig_val64;

        if (ctxt->dst.bytes == 16)
                return X86EMUL_UNHANDLEABLE;
...
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to