x86/cpufeatures: Add SEV-ES CPU feature
authorTom Lendacky <thomas.lendacky@amd.com>
Mon, 7 Sep 2020 13:15:06 +0000 (15:15 +0200)
committerBorislav Petkov <bp@suse.de>
Mon, 7 Sep 2020 17:45:24 +0000 (19:45 +0200)
commit360e7c5c4ca4fd8e627781ed42f95d58bc3bb732
treea95f96d6c084d37e93cd4df75b5941b3078c4ab6
parent976bc5e2aceedef13e0ba1f0e6e372a22164aa0c
x86/cpufeatures: Add SEV-ES CPU feature

Add CPU feature detection for Secure Encrypted Virtualization with
Encrypted State. This feature enhances SEV by also encrypting the
guest register state, making it in-accessible to the hypervisor.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-6-joro@8bytes.org
arch/x86/include/asm/cpufeatures.h
arch/x86/kernel/cpu/amd.c
arch/x86/kernel/cpu/scattered.c