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Re: [PATCH v2 2/3] docs/cpu-features: Update "PAuth" (Pointer Authentica


From: Alex Bennée
Subject: Re: [PATCH v2 2/3] docs/cpu-features: Update "PAuth" (Pointer Authentication) details
Date: Thu, 13 Feb 2025 21:17:43 +0000
User-agent: mu4e 1.12.8; emacs 29.4

Kashyap Chamarthy <kchamart@redhat.com> writes:

> PAuth (Pointer Authentication), a security feature in software, is
> relevant for both KVM and QEMU.  Relect this fact into the docs:
>
>   - For KVM, `pauth` is a binary, "on" vs "off" option.  The host CPU
>     will choose the cryptographic algorithm.
>
>   - For TCG, however, along with `pauth`, a couple of properties can be
>     controlled -- they're are related to cryptographic algorithm choice.
>
> Thanks to Peter Maydell and Marc Zyngier for explaining more about PAuth
> on IRC (#qemu, OFTC).
>
> Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro



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