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Message-ID: <20160617155145.GJ2658@codeblueprint.co.uk>
Date: Fri, 17 Jun 2016 16:51:45 +0100
From: Matt Fleming <matt@...eblueprint.co.uk>
To: Tom Lendacky <thomas.lendacky@....com>
Cc: linux-arch@...r.kernel.org, linux-efi@...r.kernel.org,
kvm@...r.kernel.org, linux-doc@...r.kernel.org, x86@...nel.org,
linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
linux-mm@...ck.org, iommu@...ts.linux-foundation.org,
Radim Krčmář <rkrcmar@...hat.com>,
Arnd Bergmann <arnd@...db.de>,
Jonathan Corbet <corbet@....net>,
Joerg Roedel <joro@...tes.org>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Paolo Bonzini <pbonzini@...hat.com>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Alexander Potapenko <glider@...gle.com>,
Thomas Gleixner <tglx@...utronix.de>,
Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [RFC PATCH v1 10/18] x86/efi: Access EFI related tables in the
clear
On Thu, 16 Jun, at 09:38:31AM, Tom Lendacky wrote:
>
> Ok, I think this was happening before the commit to build our own
> EFI page table structures:
>
> commit 67a9108ed ("x86/efi: Build our own page table structures")
>
> Before this commit the boot services ended up mapped into the kernel
> page table entries as un-encrypted during efi_map_regions() and I needed
> to change those entries back to encrypted. With your change above,
> this appears to no longer be needed.
Great news! Things are as they should be ;)
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