On 03/01/2013 03:39 PM, Borislav Petkov wrote:
> Just commenting on this one for now, the rest tomorrow cuz I'm half
> asleep.
>
> On Fri, Mar 01, 2013 at 11:30:25PM +0000, David Woodhouse wrote:
>> The other option, for the long term, is to fix the damn firmware to
>> allow SetVirtualAddressMap to be called more than once. It was stupid
>> for it to be a one-time call anyway.
>
> Now this would be the cleanest solution. If we can do that, we can then
> simply call efi_enter_virtual_mode() in the kexec'd kernel without
> the need to pass any options to it. Actually, the kexec'd kernel can
> probably run the same efi code as the papa kernel.
>
Well, if we can genuinely run with a zero relocation we don't even need
to worry about that.
-hpa
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