Re: [Qemu-devel] [PATCH v4 04/10] target-mips: get_physical_address: Add KVM awareness

[Paolo Bonzini <pbonzini@redhat.com>]

Il 14/03/2014 13:47, James Hogan ha scritto:
> +    if (kvm_enabled()) {
> +        /* KVM T&E adds guest kernel segments in useg */
> +        if (real_address >= KVM_KSEG0_BASE) {
> +            if (real_address < KVM_KSEG2_BASE) {
> +                /* kseg0 */
> +                address += KSEG0_BASE - KVM_KSEG0_BASE;
> +            } else if (real_address <= USEG_LIMIT) {
> +                /* kseg2/3 */
> +                address += KSEG2_BASE - KVM_KSEG2_BASE;
> +            }
> +        }
> +    }

Besides changing the segment bases, is there anything else to do to run 
KVM-enabled kernels under TCG?  (I know nothing about MIPS and it 
shows).  We should consider adding a knob to run them in TCG mode.

This is not blocking this series, and I'm okay with helping or even 
doing the work, if somebody tells me what to do. :)

Paolo