Re: [PATCH kernel v2 0/3] KVM: SEV: Enable AMD SEV-ES DebugSwap

Alexey Kardashevskiy
2023-01-09T05:24:39Z

On 9/12/22 15:38, Alexey Kardashevskiy wrote:
> 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 0d1409e4ff08 and requires something like this
> for X86_FEATURE_NO_NESTED_DATA_BP:
> https://lkml.org/lkml/2022/11/29/1229
>
> This patchset is pushed out at
> https://github.com/aik/linux/commits/debugswap
>
>
> Please comment. Thanks.

Ping? Thanks,

>
> btw the enormous cc: list came from get_maintainer.pl, keep it like
> this or tell the script something to reduce the list?
>
>
> Alexey Kardashevskiy (3):
> x86/amd: Cache values in percpu variables
> KVM: SEV: Enable data breakpoints in SEV-ES
> x86/sev: Do not handle #VC for DR7 read/write
>
> arch/x86/include/asm/debugreg.h | 9 +++-
> arch/x86/include/asm/msr-index.h | 1 +
> arch/x86/include/asm/svm.h | 1 +
> arch/x86/kvm/svm/svm.h | 16 +++++--
> tools/arch/x86/include/asm/msr-index.h | 1 +
> arch/x86/kernel/cpu/amd.c | 45 ++++++++++++++------
> arch/x86/kernel/sev.c | 6 +++
> arch/x86/kvm/svm/sev.c | 29 +++++++++++++
> arch/x86/kvm/svm/svm.c | 3 +-
> 9 files changed, 90 insertions(+), 21 deletions(-)
>

--
Alexey