On 2016年05月01日 21:26, Matt Fleming wrote: > On Sun, 01 May, at 11:24:18AM, Shannon Zhao wrote: >> Because the UEFI params for Dom0 are located under /hypervisor/uefi node >> instead of /chosen. So it needs to check whether it's a Dom0 then search >> and parse different node with different params arrays. > > Why can't you search both nodes? Before searching, it needs to decide which uefi params array should be passed to of_scan_flat_dt(). > Would you ever expect to see both for > a Dom0 kernel? > >> So it still needs add another check to firstly parse the fdt to see if >> there is "xen,uefi-system-table" under /hypervisor/uefi node, right? I >> think it's a bit redundant compared with xen_initial_domain(). > > Sometimes you really do need to check xen_initial_domain(), but I do > not think this is such a case. And if we can get by without adding > that check, the code will be better for it. > So is there any other way you suggest? Thanks, -- Shannon -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html