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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-482e28e81besm7082559f8f.25.2026.08.27.01.35.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2026 01:35:04 -0700 (PDT) Date: Thu, 27 Aug 2026 09:35:02 +0100 From: David Laight To: Geert Uytterhoeven Cc: Alexander Usyskin , Arnd Bergmann , Greg Kroah-Hartman , Vitaly Lubart , Karol Wachowski , linux-kernel@vger.kernel.org Subject: Re: [PATCH] issei: INTEL_SSEI should depend on X86 Message-ID: <20260827093502.23b6b062@pumpkin> In-Reply-To: References: <7145ead76cf7cf399eb4e1e6039f51cae07b49b4.1786009079.git.geert+renesas@glider.be> <20260826100848.12eaf40e@pumpkin> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 26 Aug 2026 16:03:11 +0200 Geert Uytterhoeven wrote: > Hi David, > > On Wed, 26 Aug 2026 at 11:08, David Laight wrote: > > On Thu, 6 Aug 2026 11:46:55 +0200 > > Geert Uytterhoeven wrote: > > > The Intel Silicon Security Engine is only present on systems with Intel > > > Lunar Lake CPUs. Hence add a dependency on X86, to prevent asking the > > > user about this subsystem when configuring a kernel for a non-x86 > > > architecture. > > > > Should it be X86_64 ? > > I don't know. Can you still run 32-bit kernels on these CPUs? You should be able to, but there is no need to support new features. David > > > > --- a/drivers/misc/issei/Kconfig > > > +++ b/drivers/misc/issei/Kconfig > > > @@ -2,6 +2,7 @@ > > > # Copyright (C) 2023-2026 Intel Corporation > > > config INTEL_SSEI > > > tristate "Intel Silicon Security Engine Interface" > > > + depends on X86 || COMPILE_TEST > > > help > > > The ISSEI (Intel Silicon Security Engine Interface) > > > subsystem provides a communication channel between the host and the > > Gr{oetje,eeting}s, > > Geert >