Re: [Xen-devel] [PATCH v2 02/15] xen/arm: move vgic rank data to gic header file

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hello Vijay,

Thank you for the patch.

On 04/04/2014 12:56 PM, vijay.kilari@xxxxxxxxx wrote:
> From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx>
> 
> vgic_irq_rank structure contains gic specific
> data elements. Move this out of domain.h and
> allocate memory dynamically in vgic driver.

I guess it's because you hit the maximum size of vgic structure, right?
If so can you specify it in the commit message?

[..]

> diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c
> index 77b561e..d86bede 100644
> --- a/xen/arch/arm/vgic.c
> +++ b/xen/arch/arm/vgic.c
> @@ -67,7 +67,7 @@ static struct vgic_irq_rank *vgic_irq_rank(struct vcpu *v, 
> int b, int n)
>      int rank = REG_RANK_NR(b, n);
>  
>      if ( rank == 0 )
> -        return &v->arch.vgic.private_irqs;
> +        return v->arch.vgic.private_irqs;
>      else if ( rank <= DOMAIN_NR_RANKS(v->domain) )
>          return &v->domain->arch.vgic.shared_irqs[rank - 1];
>      else
> @@ -121,9 +121,14 @@ void domain_vgic_free(struct domain *d)
>  int vcpu_vgic_init(struct vcpu *v)
>  {
>      int i;
> +
> +    v->arch.vgic.private_irqs = xzalloc(struct vgic_irq_rank);
> +    if ( v->arch.vgic.private_irqs == NULL )
> +      return -ENOMEM;
> +
>      memset(&v->arch.vgic.private_irqs, 0, sizeof(v->arch.vgic.private_irqs));

You forgot to remove & in front of v->arch.vgic.private_irqs.

Regards,

-- 
Julien Grall

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