[Qemu-devel] Re: [PATCH 1 of 2] kvm: Move KVM mp_state accessors to i386-specific code

[Jan Kiszka]

Hollis Blanchard wrote:
> Unbreaks PowerPC and S390 KVM builds.

What breaks precisely?

Note that KVM_GET/SET_MP_STATE are generic IOCTLs and supposed to be
shared with ia64 - one day. We could still move things back then, but
maybe we can handle the build issues already in place, specifically as
qemu-kvm is carrying this in generic code since ages.

Jan

> 
> Signed-off-by: Hollis Blanchard <address@hidden>
> 
> diff --git a/kvm-all.c b/kvm-all.c
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -207,26 +207,6 @@ err:
>      return ret;
>  }
>  
> -int kvm_put_mp_state(CPUState *env)
> -{
> -    struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
> -
> -    return kvm_vcpu_ioctl(env, KVM_SET_MP_STATE, &mp_state);
> -}
> -
> -int kvm_get_mp_state(CPUState *env)
> -{
> -    struct kvm_mp_state mp_state;
> -    int ret;
> -
> -    ret = kvm_vcpu_ioctl(env, KVM_GET_MP_STATE, &mp_state);
> -    if (ret < 0) {
> -        return ret;
> -    }
> -    env->mp_state = mp_state.mp_state;
> -    return 0;
> -}
> -
>  /*
>   * dirty pages logging control
>   */
> diff --git a/kvm.h b/kvm.h
> --- a/kvm.h
> +++ b/kvm.h
> @@ -74,9 +74,6 @@ int kvm_vm_ioctl(KVMState *s, int type, 
>  
>  int kvm_vcpu_ioctl(CPUState *env, int type, ...);
>  
> -int kvm_get_mp_state(CPUState *env);
> -int kvm_put_mp_state(CPUState *env);
> -
>  /* Arch specific hooks */
>  
>  int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
> diff --git a/target-i386/kvm.c b/target-i386/kvm.c
> --- a/target-i386/kvm.c
> +++ b/target-i386/kvm.c
> @@ -659,6 +659,26 @@ static int kvm_get_msrs(CPUState *env)
>      return 0;
>  }
>  
> +static int kvm_put_mp_state(CPUState *env)
> +{
> +    struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
> +
> +    return kvm_vcpu_ioctl(env, KVM_SET_MP_STATE, &mp_state);
> +}
> +
> +static int kvm_get_mp_state(CPUState *env)
> +{
> +    struct kvm_mp_state mp_state;
> +    int ret;
> +
> +    ret = kvm_vcpu_ioctl(env, KVM_GET_MP_STATE, &mp_state);
> +    if (ret < 0) {
> +        return ret;
> +    }
> +    env->mp_state = mp_state.mp_state;
> +    return 0;
> +}
> +
>  int kvm_arch_put_registers(CPUState *env)
>  {
>      int ret;

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