Re: [PATCH kernel 0/9 v6] KVM: SEV: Enable AMD SEV-ES DebugSwap

[Alexey Kardashevskiy]

Sean, do you want me to repost with "v6" in all patches or this will do? 
Thanks,


On 15/6/23 17:13, Alexey Kardashevskiy wrote:
> Ouch, forgot to mark this as "v6". Sorry...
>
>
>
> On 15/6/23 16:37, Alexey Kardashevskiy wrote:
> > This is to use another AMD SEV-ES hardware assisted register swap,
> > more detail in 6/9. In the process it's been suggested to fix other
> > things, here is the attempt, with the great help of amders.
> >
> > The previous conversation is here:
> > https://lore.kernel.org/r/20230411125718.2297768-1-aik@xxxxxxx
> >
> > This is based on sha1
> > 6e2e1e779912 Ingo Molnar "Merge branch into tip/master: 'x86/sgx'".
> >
> > The tree is here: https://github.com/aik/linux/tree/debugswap
> >
> > Please comment. Thanks.
> >
> >
> > Alexey Kardashevskiy (6):
> >    KVM: SEV: move set_dr_intercepts/clr_dr_intercepts from the header
> >    KVM: SEV: Move SEV's GP_VECTOR intercept setup to SEV
> >    KVM: SEV-ES: explicitly disable debug
> >    KVM: SVM/SEV/SEV-ES: Rework intercepts
> >    KVM: SEV: Enable data breakpoints in SEV-ES
> >    KVM: SEV-ES: Eliminate #DB intercept when DebugSwap enabled
> >
> > Sean Christopherson (3):
> >    KVM: SVM: Rewrite sev_es_prepare_switch_to_guest()'s comment about
> >      swap types
> >    KVM: SVM: Don't defer NMI unblocking until next exit for SEV-ES guests
> >    KVM: SVM: Don't try to pointlessly single-step SEV-ES guests for NMI
> >      window
> >
> >   arch/x86/include/asm/cpufeatures.h       |  1 +
> >   arch/x86/include/asm/svm.h               |  1 +
> >   arch/x86/kvm/svm/svm.h                   | 42 ----------
> >   tools/arch/x86/include/asm/cpufeatures.h |  1 +
> >   arch/x86/kvm/svm/sev.c                   | 86 +++++++++++++++++---
> >   arch/x86/kvm/svm/svm.c                   | 70 ++++++++++++++--
> >   6 files changed, 137 insertions(+), 64 deletions(-)

--
Alexey