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authorJoerg Roedel <jroedel@suse.de>2020-09-07 16:15:24 +0300
committerBorislav Petkov <bp@suse.de>2020-09-07 20:45:25 +0300
commit597cfe48212a3f110ab0f918bf59791f453e65b7 (patch)
tree3ca6f66974264437ac3d4c71f95b3a21e5d159b3 /arch/x86/Kconfig
parentc81d60029a1393183d2125fcb4b64831629b8864 (diff)
downloadlinux-597cfe48212a3f110ab0f918bf59791f453e65b7.tar.xz
x86/boot/compressed/64: Setup a GHCB-based VC Exception handler
Install an exception handler for #VC exception that uses a GHCB. Also add the infrastructure for handling different exit-codes by decoding the instruction that caused the exception and error handling. Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200907131613.12703-24-joro@8bytes.org
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7101ac64bb20..8289dd44efbd 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1521,6 +1521,7 @@ config AMD_MEM_ENCRYPT
select DYNAMIC_PHYSICAL_MASK
select ARCH_USE_MEMREMAP_PROT
select ARCH_HAS_FORCE_DMA_UNENCRYPTED
+ select INSTRUCTION_DECODER
help
Say yes to enable support for the encryption of system memory.
This requires an AMD processor that supports Secure Memory