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Re: [Xen-devel] efi_enabled(EFI_PARAVIRT) use

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?


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