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From: Ross Philipson <ross.philipson@oracle.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org,
linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org,
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trenchboot-devel@googlegroups.com
Subject: [PATCH v11 02/20] x86: Secure Launch Kconfig
Date: Fri, 13 Sep 2024 13:04:59 -0700
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| Series |
x86: Trenchboot secure dynamic launch Linux kernel support
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expand
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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
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@oracle.com> --- arch/x86/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+)