linux-kernel - Re: [PATCH 0/9] RISC-V KVM ONE

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Date:   Sat, 3 Dec 2022 18:09:11 +0530
From:   Anup Patel <anup@...infault.org>
To:     Andrew Jones <ajones@...tanamicro.com>,
        Atish Patra <atishp@...shpatra.org>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Anup Patel <apatel@...tanamicro.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>, kvm@...r.kernel.org,
        kvm-riscv@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/9] RISC-V KVM ONE_REG interface for SBI

On Mon, Nov 28, 2022 at 9:44 PM Anup Patel <apatel@...tanamicro.com> wrote:
>
> This series does first does few cleanups/fixes (PATCH1 to PATCH5) and
> adds ONE-REG interface for customizing the SBI interface visible to the
> Guest/VM.
>
> The testing of this series has been done with KVMTOOL changes in
> riscv_sbi_imp_v1 branch at:
> https://github.com/avpatel/kvmtool.git
>
> These patches can also be found in the riscv_kvm_sbi_imp_v1 branch at:
> https://github.com/avpatel/linux.git
>
> Anup Patel (9):
>   RISC-V: KVM: Fix reg_val check in kvm_riscv_vcpu_set_reg_config()
>   RISC-V: KVM: Remove redundant includes of asm/kvm_vcpu_timer.h
>   RISC-V: KVM: Remove redundant includes of asm/csr.h
>   RISC-V: KVM: Use switch-case in kvm_riscv_vcpu_set/get_reg()
>   RISC-V: KVM: Move sbi related struct and functions to kvm_vcpu_sbi.h
>   RISC-V: Export sbi_get_mvendorid() and friends
>   RISC-V: KVM: Save mvendorid, marchid, and mimpid when creating VCPU
>   RISC-V: KVM: Add ONE_REG interface for mvendorid, marchid, and mimpid
>   RISC-V: KVM: Add ONE_REG interface to enable/disable SBI extensions

I have queued PATCH1 to PATCH8 for Linux-6.2.

I have deferred PATCH9 until we have an agreement about how to deal
with VM-level attributes. This is also required for the KVM SBI PMU series.

>
>  arch/riscv/include/asm/kvm_host.h     |  16 ++-
>  arch/riscv/include/asm/kvm_vcpu_sbi.h |  14 ++-
>  arch/riscv/include/uapi/asm/kvm.h     |  22 ++++
>  arch/riscv/kernel/sbi.c               |   3 +
>  arch/riscv/kvm/vcpu.c                 |  82 +++++++++++----
>  arch/riscv/kvm/vcpu_sbi.c             | 145 +++++++++++++++++++++++---
>  arch/riscv/kvm/vcpu_sbi_base.c        |  15 ++-
>  arch/riscv/kvm/vcpu_sbi_hsm.c         |   1 -
>  arch/riscv/kvm/vcpu_sbi_replace.c     |   1 -
>  arch/riscv/kvm/vcpu_sbi_v01.c         |   1 -
>  10 files changed, 244 insertions(+), 56 deletions(-)
>
> --
> 2.34.1
>

Thanks,
Anup