Re: [PATCH] KVM: PPC: e500: Emulate TMCFG0 TMRN register

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On Thu, 2015-09-24 at 09:56 +0300, Laurentiu Tudor wrote:
> Emulate TMCFG0 TMRN register exposing one HW thread per vcpu.
> 
> Signed-off-by: Mihai Caraman <mihai.caraman@xxxxxxxxxxxxx>
> [Laurentiu.Tudor@xxxxxxxxxxxxx: rebased on latest kernel,
>  use define instead of hardcoded value]
> Signed-off-by: Laurentiu Tudor <Laurentiu.Tudor@xxxxxxxxxxxxx>
> ---
> Needs this patch: https://patchwork.ozlabs.org/patch/521752/
> 
>  arch/powerpc/include/asm/disassemble.h |  5 +++++
>  arch/powerpc/kvm/e500_emulate.c        | 11 +++++++++++
>  2 files changed, 16 insertions(+)

KVM patches should be sent to kvm@xxxxxxxxxxxxxxx in addition to kvm-
ppc@xxxxxxxxxxxxxxx.

> @@ -165,6 +167,15 @@ int kvmppc_core_emulate_op_e500(struct kvm_run *run, 
> struct kvm_vcpu *vcpu,
>                       emulated = kvmppc_e500_emul_tlbivax(vcpu, ea);
>                       break;
>  
> +             case XOP_MFTMR:
> +                     /* Expose one thread per vcpu */
> +                     if (get_tmrn(inst) == TMRN_TMCFG0)
> +                             kvmppc_set_gpr(vcpu, rt,
> +                                            1 | (1 << TMRN_TMCFG0_NATHRD_SHIFT));
> +                     else
> +                             emulated = EMULATE_FAIL;
> +                     break;

Line length.  Please move the implementation into its own function like all 
the others.

-Scott

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