Messages in this thread | | | Subject | Re: [RFC PATCH v2 03/20] x86: Secure Memory Encryption (SME) build enablement | From | Tom Lendacky <> | Date | Wed, 7 Sep 2016 09:03:46 -0500 |
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On 09/02/2016 06:03 AM, Borislav Petkov wrote: > On Mon, Aug 22, 2016 at 05:35:59PM -0500, Tom Lendacky wrote: >> Provide the Kconfig support to build the SME support in the kernel. >> >> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> >> --- >> arch/x86/Kconfig | 9 +++++++++ >> 1 file changed, 9 insertions(+) >> >> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig >> index c580d8c..131f329 100644 >> --- a/arch/x86/Kconfig >> +++ b/arch/x86/Kconfig >> @@ -1357,6 +1357,15 @@ config X86_DIRECT_GBPAGES >> supports them), so don't confuse the user by printing >> that we have them enabled. >> >> +config AMD_MEM_ENCRYPT >> + bool "Secure Memory Encryption support for AMD" > > "AMD Secure Memory Encryption support"
Ok.
Thanks, Tom
> >> + depends on X86_64 && CPU_SUP_AMD >> + ---help--- >> + Say yes to enable the encryption of system memory. This requires >> + an AMD processor that supports Secure Memory Encryption (SME). >> + The encryption of system memory is disabled by default but can be >> + enabled with the mem_encrypt=on command line option. >> + >> # Common NUMA Features >> config NUMA >> bool "Numa Memory Allocation and Scheduler Support" >
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