Re: [Xen-devel] [PATCH] x86/boot: fix MB2 header to require EFI BS

[Doug Goldstein <cardoe@xxxxxxxxxx>]

On 10/24/17 3:08 PM, Daniel Kiper wrote:
> On Tue, Oct 24, 2017 at 02:40:41PM -0500, Doug Goldstein wrote:
>>
>> Unfortunately the spec is a bit vague and how I am reading it is:
>> - no tag = exit boot services in the boot loader
>> - tag present marked optional = boot loader can or cannot exit boot services
>> - tag present marked required = boot loader cannot exit boot services
> 
> NACK, please take a look at section 3.1.4, Multiboot2 information request
> in Multiboot2 spec. OPTIONAL/REQUIRED has different meaning for the bootloader
> than you think.

In fact since there is some confusion here then could you possibly
expand some of the sections with examples to help clarify?

-- 
Doug Goldstein

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