Messages in this thread | | | Date | Wed, 19 Jun 2013 15:04:34 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH -v2 0/4] EFI 1:1 mapping |
| |
* Borislav Petkov <bp@alien8.de> wrote:
> On Wed, Jun 19, 2013 at 02:52:43PM +0200, Ingo Molnar wrote: > > I hope making it a weird boot option is not the end plan, there's > > little point in _not_ enabling 1:1 mappings by default eventually: > > the 1:1 mapping is supposed to emulate a "Windows compatible" EFI > > environment better and is expected to work around certain EFI runtime > > crashes. > > And yet there are the Macs which reportedly cannot stomach this.
Do we know why?
> And then there's the issue where some boxes cannot boot through the EFI > stub with those patches even without "efi=1:1_map" on the command line. > The issue has something to do with the "cmpb $0, efi_use_11_map" in the > efi_callX stubs.
A bug I suspect?
> And then again, other boxes have no problem with it and boot perfectly > fine. > > So I don't know - it all looks like a weird boot, opt-in option for now.
But once it works reliably we can enable it, right?
Thanks,
Ingo
| |