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From: Haibo Xu <xiaobo55x@gmail.com>
Date: Mon, 5 Feb 2024 21:10:26 +0800
Message-ID: <CAJve8onDbX44Ph6a-FdO2+p7QOQLah-7OyF+yUc06wud+SvmQQ@mail.gmail.com>
Subject: Re: [PATCH v5 00/12] RISCV: Add kvm Sstc timer selftests
To: Haibo Xu <haibo1.xu@intel.com>
Cc: 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>, Marc Zyngier <maz@kernel.org>, 
	Oliver Upton <oliver.upton@linux.dev>, James Morse <james.morse@arm.com>, 
	Suzuki K Poulose <suzuki.poulose@arm.com>, Zenghui Yu <yuzenghui@huawei.com>, 
	Anup Patel <anup@brainfault.org>, Atish Patra <atishp@atishpatra.org>, Guo Ren <guoren@kernel.org>, 
	Conor Dooley <conor.dooley@microchip.com>, Mayuresh Chitale <mchitale@ventanamicro.com>, 
	wchen <waylingii@gmail.com>, Greentime Hu <greentime.hu@sifive.com>, 
	Jisheng Zhang <jszhang@kernel.org>, Samuel Holland <samuel@sholland.org>, 
	Minda Chen <minda.chen@starfivetech.com>, Sean Christopherson <seanjc@google.com>, 
	Peter Xu <peterx@redhat.com>, Like Xu <likexu@tencent.com>, 
	Vipin Sharma <vipinsh@google.com>, Thomas Huth <thuth@redhat.com>, 
	Aaron Lewis <aaronlewis@google.com>, 
	Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>, linux-kernel@vger.kernel.org, 
	linux-riscv@lists.infradead.org, kvm@vger.kernel.org, 
	linux-kselftest@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
	kvmarm@lists.linux.dev, kvm-riscv@lists.infradead.org
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Hi Marc,

Could you help review the first 3 patches in this series?

Thanks,
Haibo

On Mon, Jan 22, 2024 at 5:45=E2=80=AFPM Haibo Xu <haibo1.xu@intel.com> wrot=
e:
>
> The RISC-V arch_timer selftests 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 selftests was ported from aarch64 arch_timer and tested
> with Linux v6.7-rc8 on a Qemu riscv64 virt machine.
>
> ---
> Changed since v4:
>   * Rebased to Linux 6.7-rc8
>   * Added new patch(2/12) to clean up the data type in struct test_args
>   * Re-ordered patch(11/11) in v4 to patch(3/12)
>   * Changed the timer_err_margin_us type from int to uint32_t
>
> Haibo Xu (11):
>   KVM: arm64: selftests: Data type cleanup for arch_timer test
>   KVM: arm64: selftests: Enable tuning of error margin in arch_timer
>     test
>   KVM: arm64: selftests: Split arch_timer test code
>   KVM: selftests: Add CONFIG_64BIT definition for the build
>   tools: riscv: Add header file csr.h
>   tools: riscv: Add header file vdso/processor.h
>   KVM: riscv: selftests: Switch to use macro from csr.h
>   KVM: riscv: selftests: Add exception handling support
>   KVM: riscv: selftests: Add guest helper to get vcpu id
>   KVM: riscv: selftests: Change vcpu_has_ext to a common function
>   KVM: riscv: selftests: Add sstc timer test
>
> Paolo Bonzini (1):
>   selftests/kvm: Fix issues with $(SPLIT_TESTS)
>
>  tools/arch/riscv/include/asm/csr.h            | 541 ++++++++++++++++++
>  tools/arch/riscv/include/asm/vdso/processor.h |  32 ++
>  tools/testing/selftests/kvm/Makefile          |  27 +-
>  .../selftests/kvm/aarch64/arch_timer.c        | 295 +---------
>  tools/testing/selftests/kvm/arch_timer.c      | 259 +++++++++
>  .../selftests/kvm/include/aarch64/processor.h |   4 -
>  .../selftests/kvm/include/kvm_util_base.h     |   9 +
>  .../selftests/kvm/include/riscv/arch_timer.h  |  71 +++
>  .../selftests/kvm/include/riscv/processor.h   |  65 ++-
>  .../testing/selftests/kvm/include/test_util.h |   2 +
>  .../selftests/kvm/include/timer_test.h        |  45 ++
>  .../selftests/kvm/lib/riscv/handlers.S        | 101 ++++
>  .../selftests/kvm/lib/riscv/processor.c       |  87 +++
>  .../testing/selftests/kvm/riscv/arch_timer.c  | 111 ++++
>  .../selftests/kvm/riscv/get-reg-list.c        |  11 +-
>  15 files changed, 1353 insertions(+), 307 deletions(-)
>  create mode 100644 tools/arch/riscv/include/asm/csr.h
>  create mode 100644 tools/arch/riscv/include/asm/vdso/processor.h
>  create mode 100644 tools/testing/selftests/kvm/arch_timer.c
>  create mode 100644 tools/testing/selftests/kvm/include/riscv/arch_timer.=
h
>  create mode 100644 tools/testing/selftests/kvm/include/timer_test.h
>  create mode 100644 tools/testing/selftests/kvm/lib/riscv/handlers.S
>  create mode 100644 tools/testing/selftests/kvm/riscv/arch_timer.c
>
> --
> 2.34.1
>