linux-kernel - [RFC PATCH 01/12] x86: Secure Launch Kconfig

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Date:   Wed, 25 Mar 2020 15:43:06 -0400
From:   Ross Philipson <ross.philipson@...cle.com>
To:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-doc@...r.kernel.org
Cc:     ross.philipson@...cle.com, dpsmith@...rtussolutions.com,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        trenchboot-devel@...glegroups.com
Subject: [RFC PATCH 01/12] x86: Secure Launch Kconfig

Initial bits to bring in Secure Launch functionality. Add Kconfig
options for compiling in/out the Secure Launch code.

Signed-off-by: Ross Philipson <ross.philipson@...cle.com>
---
 arch/x86/Kconfig | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5e8949953660..7f3406a9948b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2014,6 +2014,17 @@ config EFI_MIXED
 
 	   If unsure, say N.
 
+config SECURE_LAUNCH
+	bool "Secure Launch support"
+	default n
+	depends on X86_64
+	help
+	  This Secure Launch kernel feature allows a bzImage to be loaded
+	  directly through Intel TXT or AMD SKINIT measured launch. This
+	  allows extablishing a Dynamic Root of Trust Measurement (DRTM)
+	  of all the modules and configuration information used for
+	  boooting the operating system.
+
 config SECCOMP
 	def_bool y
 	prompt "Enable seccomp to safely compute untrusted bytecode"
-- 
2.25.1