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@xxxxxxxxxx> --- arch/x86/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5edec175b9bf..d96d75f6f1a9 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2071,6 +2071,18 @@ config EFI_RUNTIME_MAP See also Documentation/ABI/testing/sysfs-firmware-efi-runtime-map. +config SECURE_LAUNCH + bool "Secure Launch support" + default n + depends on X86_64 && X86_X2APIC + 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
