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Message-Id: <20240826223835.3928819-3-ross.philipson@oracle.com>
Date: Mon, 26 Aug 2024 15:38:17 -0700
From: Ross Philipson <ross.philipson@...cle.com>
To: linux-kernel@...r.kernel.org, x86@...nel.org,
linux-integrity@...r.kernel.org, linux-doc@...r.kernel.org,
linux-crypto@...r.kernel.org, kexec@...ts.infradead.org,
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Cc: ross.philipson@...cle.com, dpsmith@...rtussolutions.com,
tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
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kanth.ghatraju@...cle.com, andrew.cooper3@...rix.com,
trenchboot-devel@...glegroups.com
Subject: [PATCH v10 02/20] 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 007bab9f2a0e..24df5f468fdc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2056,6 +2056,17 @@ config EFI_RUNTIME_MAP
See also Documentation/ABI/testing/sysfs-firmware-efi-runtime-map.
+config SECURE_LAUNCH
+ bool "Secure Launch support"
+ depends on X86_64 && X86_X2APIC && TCG_TPM && CRYPTO_LIB_SHA1 && CRYPTO_LIB_SHA256
+ help
+ The Secure Launch feature allows a kernel to be loaded
+ directly through an Intel TXT measured launch. Intel TXT
+ establishes a Dynamic Root of Trust for Measurement (DRTM)
+ where the CPU measures the kernel image. This feature then
+ continues the measurement chain over kernel configuration
+ information and init images.
+
source "kernel/Kconfig.hz"
config ARCH_SUPPORTS_KEXEC
--
2.39.3
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