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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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Subject: [PATCH v12 02/19] x86: Secure Launch Kconfig
Date: Thu, 19 Dec 2024 11:41:59 -0800
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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 9d7bd0ae48c4..86af03707f04 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2057,6 +2057,17 @@ 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_TIS && TCG_CRB && 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(+)