Re: [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory

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To: Ard Biesheuvel <ardb@xxxxxxxxxx>
Subject: Re: [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory
From: Will Deacon <will@xxxxxxxxxx>
Date: Fri, 3 Jul 2020 17:16:29 +0100
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, ACPI Devel Maling List <linux-acpi@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Sudeep Holla <sudeep.holla@xxxxxxx>, Kernel Hardening <kernel-hardening@xxxxxxxxxxxxxxxxxx>, "Jason A . Donenfeld" <Jason@xxxxxxxxx>
In-reply-to: <20200703161429.GA19595@willie-the-truck>
References: <20200623093755.1534006-1-ardb@kernel.org> <20200623162655.GA22650@red-moon.cambridge.arm.com> <CAMj1kXEwnDGV=J7kdtzrPY9hT=Bp6XRCw85urK2MLXsZG3zdMw@mail.gmail.com> <20200703161429.GA19595@willie-the-truck>
User-agent: Mutt/1.10.1 (2018-07-13)

On Fri, Jul 03, 2020 at 05:14:29PM +0100, Will Deacon wrote:
> Is this 5.9 material, or do you want it to go in as a fix?

Sorry, just spotted the v3, but the same question applies there!

Will

Follow-Ups:
- Re: [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory
  - From: Ard Biesheuvel

References:
- [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory
  - From: Ard Biesheuvel
- Re: [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory
  - From: Lorenzo Pieralisi
- Re: [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory
  - From: Ard Biesheuvel
- Re: [RFC PATCH v2] arm64/acpi: disallow AML memory opregions to access kernel memory
  - From: Will Deacon

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