Re: [Xen-devel] [PATCH v2] x86: clarify shadow paging Dom0 support

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 27/03/17 14:11, Wei Liu wrote:
> @@ -456,6 +455,9 @@ int __init construct_dom0(struct domain *d, const 
> module_t *image,
>  
>      process_pending_softirqs();
>  
> +    if ( opt_dom0_shadow && !dom0_pvh )
> +        panic("Shadow paging Dom0 only works in PVH mode");

Is there any way to do this without panic?

For situations like this, it is much more useful for the server to boot
in the wrong configuration, than to not boot at all.  At least if it
boots in the wrong configuarion, you can still SSH in and edit the
command line differently, rather than having to use a serial console or
remote KVM.

~Andrew

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