[PATCH kernel 0/3] KVM: SEV: Enable AMD SEV-ES DebugSwap
From: Alexey Kardashevskiy
Date: Wed Nov 30 2022 - 21:21:07 EST
This is to use another AMD SEV-ES hardware assisted register swap,
more detail in 2/3. The patches are fairly independend but required in
this order.
This is based on sha1 ef4d3ea40565 and requires something like this:
https://lkml.org/lkml/2022/11/29/1229
This patchset is pushed out at
https://github.com/aik/linux/commits/debugswap
Please comment. Thanks.
Alexey Kardashevskiy (3):
x86/amd/dr_addr_mask: Cache values in percpu variables
KVM: SEV: Enable DebugSwap
x86/sev: Do not handle #VC for DR7 read/write
arch/x86/include/asm/debugreg.h | 1 +
arch/x86/include/asm/svm.h | 1 +
arch/x86/kvm/svm/svm.h | 18 ++++++++---
arch/x86/kernel/cpu/amd.c | 32 ++++++++++++++++++++
arch/x86/kernel/sev.c | 6 ++++
arch/x86/kvm/svm/sev.c | 22 +++++++++++++-
arch/x86/kvm/svm/svm.c | 6 ++--
7 files changed, 78 insertions(+), 8 deletions(-)
--
2.38.1