Re: [PATCH v10 00/40] arm64/gcs: Provide support for GCS in userspace

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To: Mark Brown <broonie@xxxxxxxxxx>
Subject: Re: [PATCH v10 00/40] arm64/gcs: Provide support for GCS in userspace
From: Marc Zyngier <maz@xxxxxxxxxx>
Date: Fri, 16 Aug 2024 15:06:50 +0100
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Oliver Upton <oliver.upton@xxxxxxxxx>, James Morse <james.morse@xxxxxxx>, Suzuki K Poulose <suzuki.poulose@xxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Eric Biederman <ebiederm@xxxxxxxxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, "Rick P. Edgecombe" <rick.p.edgecombe@xxxxxxxxx>, Deepak Gupta <debug@xxxxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Szabolcs Nagy <Szabolcs.Nagy@xxxxxxx>, Kees Cook <kees@xxxxxxxxxx>, "H.J. Lu" <hjl.tools@xxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Florian Weimer <fweimer@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Thiago Jung Bauermann <thiago.bauermann@xxxxxxxxxx>, Ross Burton <ross.burton@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, kvmarm@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org>
References: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org>
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On Thu, 01 Aug 2024 13:06:27 +0100,
Mark Brown <broonie@xxxxxxxxxx> wrote:

[...]

> - Don't change writability of ID_AA64PFR1_EL1 for KVM.

How does it work then?

	M.

-- 
Without deviation from the norm, progress is not possible.

References:
- [PATCH v10 00/40] arm64/gcs: Provide support for GCS in userspace
  - From: Mark Brown

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