diff options
| author | Tom Lendacky <thomas.lendacky@amd.com> | 2021-09-09 00:58:34 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-04 11:46:20 +0200 |
| commit | aa5a461171f98fde0df78c4f6b5018a1e967cf81 (patch) | |
| tree | 5d29913d73ed6372ad59e21e9247f79237191d74 /arch/x86/Kconfig | |
| parent | arch/cc: Introduce a function to check for confidential computing features (diff) | |
| download | linux-aa5a461171f98fde0df78c4f6b5018a1e967cf81.tar.xz linux-aa5a461171f98fde0df78c4f6b5018a1e967cf81.zip | |
x86/sev: Add an x86 version of cc_platform_has()
Introduce an x86 version of the cc_platform_has() function. This will be
used to replace vendor specific calls like sme_active(), sev_active(),
etc.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210928191009.32551-4-bp@alien8.de
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ab83c22d274e..9f190ec4f953 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1518,6 +1518,7 @@ config AMD_MEM_ENCRYPT select ARCH_HAS_FORCE_DMA_UNENCRYPTED select INSTRUCTION_DECODER select ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS + select ARCH_HAS_CC_PLATFORM help Say yes to enable support for the encryption of system memory. This requires an AMD processor that supports Secure Memory |