Messages in this thread | | | Date | Thu, 15 Feb 2024 14:20:07 -0800 | Subject | Re: [PATCH v8 03/15] x86: Secure Launch Kconfig | From | ross.philipson@oracle ... |
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On 2/14/24 11:59 PM, Ard Biesheuvel wrote: > On Wed, 14 Feb 2024 at 23:31, Ross Philipson <ross.philipson@oracle.com> wrote: >> >> 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 | 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 > > 'n' is already the default, so you can drop this line.
Ack
> >> + depends on X86_64 && X86_X2APIC > > This depends on CONFIG_TCG_TPM as well (I got build failures without it)
Yes I will add that. I may have to add a couple of other things too.
Thanks Ross
> >> + 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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