Re: [Xen-devel] [PATCH v2] x86/hvm/viridian: zero and check vcpu context __pad field

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 30.03.16 at 13:25, <paul.durrant@xxxxxxxxxx> wrote:
> @@ -851,6 +855,9 @@ static int viridian_load_vcpu_ctxt(struct domain *d, 
> hvm_domain_context_t *h)
>      if ( hvm_load_entry_zeroextend(VIRIDIAN_VCPU, h, &ctxt) != 0 )
>          return -EINVAL;
>  
> +    if ( memcmp(&ctxt._pad, zero_page, sizeof(ctxt._pad)) )
> +        return -EINVAL;

Does this build? Right now zero_page[] is static in x86/mm.c afaict...

Jan


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