diff mbox

[RFC,v1,02/18] x86: Secure Memory Encryption (SME) build enablement

Message ID 20160426224533.13079.905.stgit@tlendack-t1.amdoffice.net (mailing list archive)
State New, archived
Headers show

Commit Message

Tom Lendacky April 26, 2016, 10:45 p.m. UTC 
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(+)


--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7bb1574..13249b5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1356,6 +1356,15 @@  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"
+	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"