This is to prevent #DB interception on SEV-ES VM with enabled DebugSwap feature, more details in 3/5.
This is based on sha1 dd3ba82d31a6 and pushed out at https://github.com/aik/edk2/commits/debugswap The corresponding Linux change (HV and VM) is here: https://github.com/aik/linux/commits/debugswap and has just been posted to lkml/etc as "[PATCH kernel 0/3] KVM: SEV: Enable AMD SEV-ES DebugSwap" Please comment. Thanks. Alexey Kardashevskiy (5): MdePkg/Register/Amd: Define all bits from MSR_SEV_STATUS_REGISTER MdePkg: Add AMD SEV features to PcdConfidentialComputingGuestAttr OvmfPkg: Add AMD SEV-ES DebugSwap feature support UefiCpuPkg: Add AMD SEV-ES features support OvmfPkf: Enable AMD SEV-ES DebugSwap for DXE MdePkg/Include/ConfidentialComputingGuestAttr.h | 5 +- MdePkg/Include/Register/Amd/Fam17Msr.h | 57 +++++++++++++++++++- OvmfPkg/Include/Library/MemEncryptSevLib.h | 12 +++++ OvmfPkg/Library/BaseMemEncryptSevLib/DxeMemEncryptSevLibInternal.c | 25 +++++++-- OvmfPkg/Library/BaseMemEncryptSevLib/PeiMemEncryptSevLibInternal.c | 19 +++++++ OvmfPkg/Library/BaseMemEncryptSevLib/SecMemEncryptSevLibInternal.c | 20 +++++++ OvmfPkg/Library/CcExitLib/CcExitVcHandler.c | 8 +++ OvmfPkg/PlatformPei/AmdSev.c | 13 +++-- UefiCpuPkg/Library/MpInitLib/MpLib.c | 10 ++-- 9 files changed, 158 insertions(+), 11 deletions(-) -- 2.38.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#96808): https://edk2.groups.io/g/devel/message/96808 Mute This Topic: https://groups.io/mt/95376258/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
