Roger Pau Monne writes ("[PATCH v4 2/2] sysctl: report shadow paging
capability"):
> Report whether shadow paging is supported by the hypervisor, since it
> can be disabled at build time.
...
> NB: I'm not sure the added check in
> libxl__domain_create_info_setdefault is that useful, or if it could be
> better placed somewhere else.
Acked-by: Ian Jackson <[email protected]>
> + if (!info.cap_hap && !info.cap_shadow) {
> + LOG(ERROR, "neither hap nor shadow paging available");
> + return ERROR_INVAL;
> + }
> +
> libxl_defbool_setdefault(&c_info->hap, info.cap_hap);
I would have written
if (cap_hap) setdefault(info->hap, true);
else if (cap_shadow) setdefault(info->hap, false);
else bomb_out();
but the result is equivalent.
Ian.
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