Re: [PATCH v4 00/15] KVM: arm64: Fixed features for protected VMs

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Hi Marc,

On Fri, Aug 20, 2021 at 11:34 AM Marc Zyngier <maz@xxxxxxxxxx> wrote:
>
> On Tue, 17 Aug 2021 09:11:19 +0100, Fuad Tabba wrote:
> > Changes since v3 [1]:
> > - Redid calculating restricted values of feature register fields, ensuring that
> >   the code distinguishes between unsigned and (potentially in the future)
> >   signed fields (Will)
> > - Refactoring and fixes (Drew, Will)
> > - More documentation and comments (Oliver, Will)
> > - Dropped patch "Restrict protected VM capabilities", since it should come with
> >   or after the user ABI series for pKVM (Will)
> > - Carried Will's acks
> >
> > [...]
>
> I've taken the first 10 patches of this series in order to
> progress it. I also stashed a fixlet on top to address the
> tracepoint issue.
>
> Hopefully we can resolve the rest of the issues quickly.

Thanks. I am working on a patch series with the remaining patches to
address the issues. Stay tuned :)

Cheers,
/fuad

> [01/15] KVM: arm64: placeholder to check if VM is protected
>         commit: 2ea7f655800b00b109951f22539fe2025add210b
> [02/15] KVM: arm64: Remove trailing whitespace in comment
>         commit: e6bc555c96990046d680ff92c8e2e7b6b43b509f
> [03/15] KVM: arm64: MDCR_EL2 is a 64-bit register
>         commit: d6c850dd6ce9ce4b410142a600d8c34dc041d860
> [04/15] KVM: arm64: Fix names of config register fields
>         commit: dabb1667d8573302712a75530cccfee8f3ffff84
> [05/15] KVM: arm64: Refactor sys_regs.h,c for nVHE reuse
>         commit: f76f89e2f73d93720cfcad7fb7b24d022b2846bf
> [06/15] KVM: arm64: Restore mdcr_el2 from vcpu
>         commit: 1460b4b25fde52cbee746c11a4b1d3185f2e2847
> [07/15] KVM: arm64: Keep mdcr_el2's value as set by __init_el2_debug
>         commit: 12849badc6d2456f15f8f2c93037628d5176810b
> [08/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch
>         commit: cd496228fd8de2e82b6636d3d89105631ea2b69c
> [09/15] KVM: arm64: Add feature register flag definitions
>         commit: 95b54c3e4c92b9185b15c83e8baab9ba312195f6
> [10/15] KVM: arm64: Add config register bit definitions
>         commit: 2d701243b9f231b5d7f9a8cb81870650d3eb32bc
>
> Cheers,
>
>         M.
> --
> Without deviation from the norm, progress is not possible.
>
>

On Fri, Aug 20, 2021 at 11:34 AM Marc Zyngier <maz@xxxxxxxxxx> wrote:
>
> On Tue, 17 Aug 2021 09:11:19 +0100, Fuad Tabba wrote:
> > Changes since v3 [1]:
> > - Redid calculating restricted values of feature register fields, ensuring that
> >   the code distinguishes between unsigned and (potentially in the future)
> >   signed fields (Will)
> > - Refactoring and fixes (Drew, Will)
> > - More documentation and comments (Oliver, Will)
> > - Dropped patch "Restrict protected VM capabilities", since it should come with
> >   or after the user ABI series for pKVM (Will)
> > - Carried Will's acks
> >
> > [...]
>
> I've taken the first 10 patches of this series in order to
> progress it. I also stashed a fixlet on top to address the
> tracepoint issue.
>
> Hopefully we can resolve the rest of the issues quickly.
>
> [01/15] KVM: arm64: placeholder to check if VM is protected
>         commit: 2ea7f655800b00b109951f22539fe2025add210b
> [02/15] KVM: arm64: Remove trailing whitespace in comment
>         commit: e6bc555c96990046d680ff92c8e2e7b6b43b509f
> [03/15] KVM: arm64: MDCR_EL2 is a 64-bit register
>         commit: d6c850dd6ce9ce4b410142a600d8c34dc041d860
> [04/15] KVM: arm64: Fix names of config register fields
>         commit: dabb1667d8573302712a75530cccfee8f3ffff84
> [05/15] KVM: arm64: Refactor sys_regs.h,c for nVHE reuse
>         commit: f76f89e2f73d93720cfcad7fb7b24d022b2846bf
> [06/15] KVM: arm64: Restore mdcr_el2 from vcpu
>         commit: 1460b4b25fde52cbee746c11a4b1d3185f2e2847
> [07/15] KVM: arm64: Keep mdcr_el2's value as set by __init_el2_debug
>         commit: 12849badc6d2456f15f8f2c93037628d5176810b
> [08/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch
>         commit: cd496228fd8de2e82b6636d3d89105631ea2b69c
> [09/15] KVM: arm64: Add feature register flag definitions
>         commit: 95b54c3e4c92b9185b15c83e8baab9ba312195f6
> [10/15] KVM: arm64: Add config register bit definitions
>         commit: 2d701243b9f231b5d7f9a8cb81870650d3eb32bc
>
> Cheers,
>
>         M.
> --
> Without deviation from the norm, progress is not possible.
>
>



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