Re: [tip:efi/core] x86/efi: Unmap EFI boot services code/data regions from efi_pgd
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- Subject: Re: [tip:efi/core] x86/efi: Unmap EFI boot services code/data regions from efi_pgd
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Fri, 21 Dec 2018 18:13:08 +0100
- Cc: "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "marc.zyngier@xxxxxxx" <marc.zyngier@xxxxxxx>, "eric.snowberg@xxxxxxxxxx" <eric.snowberg@xxxxxxxxxx>, "hdegoede@xxxxxxxxxx" <hdegoede@xxxxxxxxxx>, "Hansen, Dave" <dave.hansen@xxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "arend.vanspriel@xxxxxxxxxxxx" <arend.vanspriel@xxxxxxxxxxxx>, "julien.thierry@xxxxxxx" <julien.thierry@xxxxxxx>, "bhsharma@xxxxxxxxxx" <bhsharma@xxxxxxxxxx>, "jonathanh@xxxxxxxxxx" <jonathanh@xxxxxxxxxx>, "joe@xxxxxxxxxxx" <joe@xxxxxxxxxxx>, "matt@xxxxxxxxxxxxxxxxxxx" <matt@xxxxxxxxxxxxxxxxxxx>, "torvalds@xxxxxxxxxxxxxxxxxxxx" <torvalds@xxxxxxxxxxxxxxxxxxxx>, "natechancellor@xxxxxxxxx" <natechancellor@xxxxxxxxx>, "luto@xxxxxxxxxx" <luto@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "sedat.dilek@xxxxxxxxx" <sedat.dilek@xxxxxxxxx>, "zhuyifei1999@xxxxxxxxx" <zhuyifei1999@xxxxxxxxx>, "linux-tip-commits@xxxxxxxxxxxxxxx" <linux-tip-commits@xxxxxxxxxxxxxxx>
- In-reply-to: <CAKv+Gu99VdPero0yrXiaByURyp1idYE948Qi4j1eqY0ENCrF5A@mail.gmail.com>
- References: <20181129171230.18699-6-ard.biesheuvel@linaro.org> <tip-08cfb38f3ef49cfd1bba11a00401451606477d80@git.kernel.org> <FFF73D592F13FD46B8700F0A279B802F48604575@ORSMSX114.amr.corp.intel.com> <CAKv+Gu_vTHFxpKRu_CxKP-GdNdgdFKr7fi87VkNur0sqGQNVDw@mail.gmail.com> <FFF73D592F13FD46B8700F0A279B802F486045CA@ORSMSX114.amr.corp.intel.com> <CAKv+Gu9iJinkP-buhmzRyB91_HcJ-tDwT3YHeHGFo4Bsiv7O_Q@mail.gmail.com> <FFF73D592F13FD46B8700F0A279B802F486046A9@ORSMSX114.amr.corp.intel.com> <CAKv+Gu99VdPero0yrXiaByURyp1idYE948Qi4j1eqY0ENCrF5A@mail.gmail.com>
- User-agent: Mutt/1.10.1 (2018-07-13)
On Fri, Dec 21, 2018 at 06:02:29PM +0100, Ard Biesheuvel wrote:
> As far as I can tell, the SGI x86 UV platforms still rely on this, so
> we're stuck with it for the foreseeable future.
What happened with the old apple laptops which couldn't handle high
virtual mappings and needed 1:1? We don't care anymore?
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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