Re: [Xen-devel] [PATCH RFC v2 06/12] x86: add a xpti command line parameter

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.01.18 at 13:32, <jgross@xxxxxxxx> wrote:
> @@ -212,6 +249,24 @@ int pv_domain_initialise(struct domain *d, unsigned int 
> domcr_flags,
>      /* 64-bit PV guest by default. */
>      d->arch.is_32bit_pv = d->arch.has_32bit_shinfo = 0;
>  
> +    switch (opt_xpti)

Style.

> +    {
> +    case XPTI_OFF:
> +        d->arch.pv_domain.xpti = false;
> +        break;
> +    case XPTI_ON:
> +        d->arch.pv_domain.xpti = true;
> +        break;
> +    case XPTI_NODOM0:
> +        d->arch.pv_domain.xpti = boot_cpu_data.x86_vendor != X86_VENDOR_AMD 
> &&
> +                                 d->domain_id != 0 &&
> +                                 d->domain_id != hardware_domid;
> +        break;
> +    case XPTI_DEFAULT:
> +        d->arch.pv_domain.xpti = boot_cpu_data.x86_vendor != X86_VENDOR_AMD;
> +        break;
> +    }

Why does a 32-bit domain need this?

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel