linux-kernel - Re: [PATCH v2 03/20] ARM/simd: Add scoped guard API for kernel mode SIMD

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Message-ID: <202510020918.AEFA1A195@keescook>
Date: Thu, 2 Oct 2025 09:18:14 -0700
From: Kees Cook <kees@...nel.org>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
	linux@...linux.org.uk, Ard Biesheuvel <ardb@...nel.org>,
	Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Mark Brown <broonie@...nel.org>, Eric Biggers <ebiggers@...nel.org>
Subject: Re: [PATCH v2 03/20] ARM/simd: Add scoped guard API for kernel mode
 SIMD

On Wed, Oct 01, 2025 at 11:02:05PM +0200, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@...nel.org>
> 
> Implement the ksimd scoped guard API so that it can be used by code that
> supports both ARM and arm64.
> 
> Signed-off-by: Ard Biesheuvel <ardb@...nel.org>

Reviewed-by: Kees Cook <kees@...nel.org>

-- 
Kees Cook