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Date:   Wed, 2 Aug 2023 15:16:43 -0700
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Subject: Re: [PATCH 0/4] RISCV: Add kvm Sstc timer selftest
From:   Sean Christopherson <seanjc@google.com>
To:     Haibo Xu <haibo1.xu@intel.com>
Cc:     xiaobo55x@gmail.com, ajones@ventanamicro.com,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Shuah Khan <shuah@kernel.org>,
        Anup Patel <anup@brainfault.org>,
        Atish Patra <atishp@atishpatra.org>,
        Vipin Sharma <vipinsh@google.com>,
        Colton Lewis <coltonlewis@google.com>,
        Marc Zyngier <maz@kernel.org>,
        Andrew Jones <andrew.jones@linux.dev>,
        Vishal Annapurve <vannapurve@google.com>,
        linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
        kvm@vger.kernel.org, linux-kselftest@vger.kernel.org,
        kvm-riscv@lists.infradead.org
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On Thu, Jul 27, 2023, Haibo Xu wrote:
> The sstc_timer selftest is used to validate Sstc timer functionality
> in a guest, which sets up periodic timer interrupts and check the
> basic interrupt status upon its receipt.
> 
> This KVM selftest was ported from aarch64 arch_timer and tested
> with Linux v6.5-rc3 on a Qemu riscv64 virt machine.
> 
> Haibo Xu (4):
>   tools: riscv: Add header file csr.h
>   KVM: riscv: selftests: Add exception handling support
>   KVM: riscv: selftests: Add guest helper to get vcpu id
>   KVM: riscv: selftests: Add sstc_timer test

FYI, patch 4 will conflict with the in-flight guest printf changes[*], as will
reworking the existing arch_timer test.  My plan is to create an immutable tag
later this week (waiting to make sure nothing explodes).  I highly recommend basing
v2 on top of that.

[*] https://lore.kernel.org/all/20230729003643.1053367-1-seanjc@google.com