Re: Use PCI ROMs from EFI boot services

[H. Peter Anvin]

On 12/05/2012 04:57 PM, Matthew Garrett wrote:
> 
> 
> "H. Peter Anvin" <hpa@xxxxxxxxx> wrote:
> 
>> I don't think there is anything security-sensitive about that
>> information, at least not to root.  I could be wrong, of course; I
>> wouldn't mind security people telling me about that.
> 
> I don't think there's anything at present, but we'll want to pass the hibernation encryption key from the bootloader to the kernel in the near future. setup_data seems like the easiest way to do that. 
> 

And that presumably would be something that cannot be exposed to root?
If so we may want to use one of the bits in the setup_data type field as
a security flag, perhaps...

	-hpa

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