On Tue, Oct 28, 2014 at 10:49:36PM +0100, Mathias Krause wrote:
> Sync only data or kernel code, too?
Data only should be enough.
> Really, I'd just map the EFI RT service virtual mappings "somewhere"
> but at pgd[511] and have pgd[511] initially set up as
> init_level4_pgt[511]. Then, thing should "just work"(TM).
Nah, nothing with EFI just works :-)
> If you fear the EFI code might do harm to the kernel code/data, then
> you've lost anyway. Nothing will prevent the EFI code from doing nasty
> things -- like setting up its own mappings to tamper with the kernel's
> memory.
Sure, nothing would surprise me anymore. However, I'd prefer to not be
an enabler. :)
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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