Re: [Xen-devel] [PATCH 1/4] arm: mark vcpus as initialised when they have been

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 12 Apr 2013, Ian Campbell wrote:
> I noticed this because XEN_DOMCTL_getvcpucontext won't return anything for a
> VCPU which isn't initialised.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

I had the same change in one of my "guest smp" patches.


Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


>  xen/arch/arm/domain.c       |    2 ++
>  xen/arch/arm/domain_build.c |    1 +
>  2 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
> index e308813..04be3d6 100644
> --- a/xen/arch/arm/domain.c
> +++ b/xen/arch/arm/domain.c
> @@ -557,6 +557,8 @@ int arch_set_info_guest(
>      v->arch.ttbr1 = ctxt->ttbr1;
>      v->arch.ttbcr = ctxt->ttbcr;
>  
> +    v->is_initialised = 1;
> +
>      if ( ctxt->flags & VGCF_online )
>          clear_bit(_VPF_down, &v->pause_flags);
>      else
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index a6d8e9d..17aadcf 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -412,6 +412,7 @@ int construct_dom0(struct domain *d)
>  
>      discard_initial_modules();
>  
> +    v->is_initialised = 1;
>      clear_bit(_VPF_down, &v->pause_flags);
>  
>      memset(regs, 0, sizeof(*regs));
> -- 
> 1.7.9.1
> 

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