On Wed, Jan 25, 2017 at 09:31:53PM +0100, Jiri Kosina wrote:
>
> [ CCing mailinglists that got eaten by my newly configured mail setup,
> sorry for that ]
>
> On Wed, 25 Jan 2017, Jiri Kosina wrote:
>
> > From: Jiri Kosina <jkosina@xxxxxxx>
> >
> > Commit 129766708 ("x86/efi: Only map RAM into EFI page tables if in
> > mixed-mode") stopped creating 1:1 mapping for all RAM in case of running
> > in native 64bit mode.
> >
> > It turns out though that there are 64bit EFI implementations in the wild
> > (this particular problem has been reported on Lenovo Yoga 710-11IKB) which
> > still make use of first physical page for their own private use (which is
> > what legacy BIOS used to do, but EFI specification doesn't grant any such
> > right to EFI BIOS ... oh well).
And now the same rant for the wider audience:
What is this EFI spec even? Toilet paper? Perhaps not even that.
Geez, can we simply say, firmware people, you f*cked up big time. Now
take all that crap with you to your basement, *think* hard about all the
issues we've had and then reengineer the whole thing from the beginning.
Completely anew. Then come back and we can talk.
There's a reason I don't want to deal with that major stinking pile of
crap called firmware but somehow I always get sucked back in.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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