Re: [Xen-devel] [PATCH v8 3/9] xen/x86: support per-domain flag for xpti

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.04.18 at 11:42, <sergey.dyasli@xxxxxxxxxx> wrote:
> On Wed, 2018-04-18 at 10:30 +0200, Juergen Gross wrote:
> @@ -119,8 +122,9 @@ static void __init print_details(enum ind_thunk thunk)
>             boot_cpu_has(X86_FEATURE_RSB_NATIVE)      ? " RSB_NATIVE" : "",
>             boot_cpu_has(X86_FEATURE_RSB_VMEXIT)      ? " RSB_VMEXIT" : "");
>  
> -    printk("XPTI: %s\n",
> -           boot_cpu_has(X86_FEATURE_NO_XPTI) ? "disabled" : "enabled");
> +    printk("XPTI: Dom0 %s, DomU (64-bit PV only) %s\n",
> +           opt_xpti & OPT_XPTI_DOM0 ? "enabled" : "disabled",
> +           opt_xpti & OPT_XPTI_DOMU ? "enabled" : "disabled");
>  }

Ah, yes, making this log message more precise is certainly worthwhile. The
placement of "(64-bit PV only)" is a little confusing though: I'd put it either
before the colon or at the end of the line, as it affects Dom0 as much as
DomU.

Jan



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