From: Borislav Petkov <bp@alien8.de>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>, matt@codeblueprint.co.uk
Cc: "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@intel.com>,
Ingo Molnar <mingo@kernel.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"x86@kernel.org" <x86@kernel.org>,
"marc.zyngier@arm.com" <marc.zyngier@arm.com>,
"eric.snowberg@oracle.com" <eric.snowberg@oracle.com>,
"hdegoede@redhat.com" <hdegoede@redhat.com>,
"Hansen, Dave" <dave.hansen@intel.com>,
"peterz@infradead.org" <peterz@infradead.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"arend.vanspriel@broadcom.com" <arend.vanspriel@broadcom.com>,
"julien.thierry@arm.com" <julien.thierry@arm.com>,
"bhsharma@redhat.com" <bhsharma@redhat.com>,
"jonathanh@nvidia.com" <jonathanh@nvidia.com>,
"joe@perches.com" <joe@perches.com>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
"natechancellor@gmail.com" <natechancellor@gmail.com>,
"luto@kernel.org" <luto@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"sedat.dilek@gmail.com" <sedat.dilek@gmail.com>,
"zhuyifei1999@gmail.com" <zhuyifei1999@gmail.com>,
"linux-tip-commits@vger.kernel.org"
<linux-tip-commits@vger.kernel.org>
Subject: Re: [tip:efi/core] x86/efi: Unmap EFI boot services code/data regions from efi_pgd
Date: Fri, 21 Dec 2018 20:29:28 +0100 [thread overview]
Message-ID: <20181221192928.GM1325@zn.tnic> (raw)
In-Reply-To: <CAKv+Gu91YsuK2QmWStPe84v8L7XD9x4cduTYgUjj3TPRfQckfw@mail.gmail.com>
On Fri, Dec 21, 2018 at 06:26:23PM +0100, Ard Biesheuvel wrote:
> On Fri, 21 Dec 2018 at 18:13, Borislav Petkov <bp@alien8.de> wrote:
> >
> > 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?
> >
>
> If that is the case (I wouldn't know) then yes, there is a second
> reason why we need to keep this code.
Fleming knows details and he's on CC, lemme "pull" him up into To: :-)
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
next prev parent reply other threads:[~2018-12-21 19:29 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-29 17:12 [GIT PULL 00/11] EFI updates Ard Biesheuvel
2018-11-29 17:12 ` [PATCH 01/11] x86/efi: Allocate e820 buffer before calling efi_exit_boot_service Ard Biesheuvel
2018-11-30 7:29 ` Ingo Molnar
2018-11-30 8:26 ` Ard Biesheuvel
2018-11-30 8:36 ` Ingo Molnar
2018-11-30 9:55 ` [tip:efi/core] " tip-bot for Eric Snowberg
2018-11-29 17:12 ` [PATCH 02/11] efi/fdt: Indentation fix Ard Biesheuvel
2018-11-30 7:56 ` [PATCH] efi/fdt: More cleanups Ingo Molnar
2018-11-30 8:31 ` Ard Biesheuvel
2018-11-30 9:48 ` Ingo Molnar
2018-11-30 9:56 ` [tip:efi/core] efi/fdt: Indentation fix tip-bot for Julien Thierry
2018-11-29 17:12 ` [PATCH 03/11] efi/fdt: Simplify get_fdt flow Ard Biesheuvel
2018-11-30 9:57 ` [tip:efi/core] efi/fdt: Simplify the get_fdt() flow tip-bot for Julien Thierry
2018-11-29 17:12 ` [PATCH 04/11] x86/mm/pageattr: Introduce helper function to unmap EFI boot services Ard Biesheuvel
2018-11-30 9:58 ` [tip:efi/core] " tip-bot for Sai Praneeth Prakhya
2018-11-29 17:12 ` [PATCH 05/11] x86/efi: Unmap EFI boot services code/data regions from efi_pgd Ard Biesheuvel
2018-11-30 9:58 ` [tip:efi/core] " tip-bot for Sai Praneeth Prakhya
2018-12-17 18:06 ` Prakhya, Sai Praneeth
2018-12-17 18:10 ` Ard Biesheuvel
2018-12-17 18:42 ` Prakhya, Sai Praneeth
2018-12-17 19:35 ` Ard Biesheuvel
2018-12-17 19:48 ` Prakhya, Sai Praneeth
2018-12-21 17:02 ` Ard Biesheuvel
2018-12-21 17:13 ` Borislav Petkov
2018-12-21 17:26 ` Ard Biesheuvel
2018-12-21 19:29 ` Borislav Petkov [this message]
2018-12-22 11:07 ` Ard Biesheuvel
2019-01-07 15:57 ` Matt Fleming
2018-12-21 17:52 ` Prakhya, Sai Praneeth
2018-11-29 17:12 ` [PATCH 06/11] x86/efi: Move efi_<reserve/free>_boot_services() to arch/x86 Ard Biesheuvel
2018-11-30 9:59 ` [tip:efi/core] " tip-bot for Sai Praneeth Prakhya
2018-11-29 17:12 ` [PATCH 07/11] efi/libstub: Disable some warnings for x86{,_64} Ard Biesheuvel
2018-11-30 9:59 ` [tip:efi/core] " tip-bot for Nathan Chancellor
2018-11-29 17:12 ` [PATCH 08/11] firmware: efi: add NULL pointer checks in efivars api functions Ard Biesheuvel
2018-11-30 8:11 ` Ingo Molnar
2018-11-30 8:37 ` Ard Biesheuvel
2018-11-30 9:56 ` [tip:efi/core] firmware/efi: Add NULL pointer checks in efivars API functions tip-bot for Arend van Spriel
2018-11-29 17:12 ` [PATCH 09/11] efi: permit multiple entries in persistent memreserve data structure Ard Biesheuvel
2018-11-30 10:00 ` [tip:efi/core] efi: Permit " tip-bot for Ard Biesheuvel
2018-11-29 17:12 ` [PATCH 10/11] efi: reduce the amount of memblock reservations for persistent allocations Ard Biesheuvel
2018-11-30 8:38 ` Ingo Molnar
2018-11-30 8:39 ` Ard Biesheuvel
2018-11-30 10:00 ` [tip:efi/core] efi: Reduce " tip-bot for Ard Biesheuvel
2018-11-29 17:12 ` [PATCH 11/11] efi/x86: earlyprintk - Fix infinite loop on some screen widths Ard Biesheuvel
2018-11-30 8:05 ` Ingo Molnar
2018-11-30 8:32 ` Ard Biesheuvel
2018-11-30 9:55 ` [tip:efi/core] x86/earlyprintk/efi: " tip-bot for YiFei Zhu
2018-11-29 18:27 ` [GIT PULL 00/11] EFI updates Prakhya, Sai Praneeth
2018-11-30 12:01 ` Ard Biesheuvel
2018-11-30 18:01 ` Prakhya, Sai Praneeth
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